fixed npe during autoplaylists

added playnext command (simple version)
setting dj role to everyone works now
fixed massively wide joptionpanes
version number bump

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,24 @@
+[download]: https://github.com/jagrosh/MusicBot/releases/latest
+[release]: https://img.shields.io/github/release/jagrosh/MusicBot.svg
+[setup]: https://github.com/jagrosh/MusicBot/wiki/Setup
+[rpi]: https://github.com/jagrosh/MusicBot/wiki/JMusicBot-on-Raspberry-Pi
+[features]: https://github.com/jagrosh/MusicBot/projects/1
+
+## General Troubleshooting
+
+Please check off these steps before suggesting a feature or reporting a bug:
+
+- [ ] I am running the [latest version][download]: [![Release][release]][download]
+- [ ] I have followed all instructions on the [setup page][setup] (and if applicable, [Raspberry Pi][rpi])
+- [ ] I have read through the [planned and suggested features][features]
+
+## Issue
+
+### Issue Type
+
+- [ ] Bug Report
+- [ ] Feature Request
+
+### Description
+
+Replace this with a description of your bug or feature request. Please provide screenshots and logs as applicable.

.gitignore

@@ -0,0 +1,5 @@
+/target/
+/Playlists/
+*.json
+*.txt
+/nbproject/

LICENSE

@@ -1,201 +1,201 @@
-                                 Apache License
-                           Version 2.0, January 2004
-                        http://www.apache.org/licenses/
-
-   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
-
-   1. Definitions.
-
-      "License" shall mean the terms and conditions for use, reproduction,
-      and distribution as defined by Sections 1 through 9 of this document.
-
-      "Licensor" shall mean the copyright owner or entity authorized by
-      the copyright owner that is granting the License.
-
-      "Legal Entity" shall mean the union of the acting entity and all
-      other entities that control, are controlled by, or are under common
-      control with that entity. For the purposes of this definition,
-      "control" means (i) the power, direct or indirect, to cause the
-      direction or management of such entity, whether by contract or
-      otherwise, or (ii) ownership of fifty percent (50%) or more of the
-      outstanding shares, or (iii) beneficial ownership of such entity.
-
-      "You" (or "Your") shall mean an individual or Legal Entity
-      exercising permissions granted by this License.
-
-      "Source" form shall mean the preferred form for making modifications,
-      including but not limited to software source code, documentation
-      source, and configuration files.
-
-      "Object" form shall mean any form resulting from mechanical
-      transformation or translation of a Source form, including but
-      not limited to compiled object code, generated documentation,
-      and conversions to other media types.
-
-      "Work" shall mean the work of authorship, whether in Source or
-      Object form, made available under the License, as indicated by a
-      copyright notice that is included in or attached to the work
-      (an example is provided in the Appendix below).
-
-      "Derivative Works" shall mean any work, whether in Source or Object
-      form, that is based on (or derived from) the Work and for which the
-      editorial revisions, annotations, elaborations, or other modifications
-      represent, as a whole, an original work of authorship. For the purposes
-      of this License, Derivative Works shall not include works that remain
-      separable from, or merely link (or bind by name) to the interfaces of,
-      the Work and Derivative Works thereof.
-
-      "Contribution" shall mean any work of authorship, including
-      the original version of the Work and any modifications or additions
-      to that Work or Derivative Works thereof, that is intentionally
-      submitted to Licensor for inclusion in the Work by the copyright owner
-      or by an individual or Legal Entity authorized to submit on behalf of
-      the copyright owner. For the purposes of this definition, "submitted"
-      means any form of electronic, verbal, or written communication sent
-      to the Licensor or its representatives, including but not limited to
-      communication on electronic mailing lists, source code control systems,
-      and issue tracking systems that are managed by, or on behalf of, the
-      Licensor for the purpose of discussing and improving the Work, but
-      excluding communication that is conspicuously marked or otherwise
-      designated in writing by the copyright owner as "Not a Contribution."
-
-      "Contributor" shall mean Licensor and any individual or Legal Entity
-      on behalf of whom a Contribution has been received by Licensor and
-      subsequently incorporated within the Work.
-
-   2. Grant of Copyright License. Subject to the terms and conditions of
-      this License, each Contributor hereby grants to You a perpetual,
-      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
-      copyright license to reproduce, prepare Derivative Works of,
-      publicly display, publicly perform, sublicense, and distribute the
-      Work and such Derivative Works in Source or Object form.
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-   3. Grant of Patent License. Subject to the terms and conditions of
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-      use, offer to sell, sell, import, and otherwise transfer the Work,
-      where such license applies only to those patent claims licensable
-      by such Contributor that are necessarily infringed by their
-      Contribution(s) alone or by combination of their Contribution(s)
-      with the Work to which such Contribution(s) was submitted. If You
-      institute patent litigation against any entity (including a
-      cross-claim or counterclaim in a lawsuit) alleging that the Work
-      or a Contribution incorporated within the Work constitutes direct
-      or contributory patent infringement, then any patent licenses
-      granted to You under this License for that Work shall terminate
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-   4. Redistribution. You may reproduce and distribute copies of the
-      Work or Derivative Works thereof in any medium, with or without
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-      meet the following conditions:
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-
-      (b) You must cause any modified files to carry prominent notices
-          stating that You changed the files; and
-
-      (c) You must retain, in the Source form of any Derivative Works
-          that You distribute, all copyright, patent, trademark, and
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-      any Contribution intentionally submitted for inclusion in the Work
-      by You to the Licensor shall be under the terms and conditions of
-      this License, without any additional terms or conditions.
-      Notwithstanding the above, nothing herein shall supersede or modify
-      the terms of any separate license agreement you may have executed
-      with Licensor regarding such Contributions.
-
-   6. Trademarks. This License does not grant permission to use the trade
-      names, trademarks, service marks, or product names of the Licensor,
-      except as required for reasonable and customary use in describing the
-      origin of the Work and reproducing the content of the NOTICE file.
-
-   7. Disclaimer of Warranty. Unless required by applicable law or
-      agreed to in writing, Licensor provides the Work (and each
-      Contributor provides its Contributions) on an "AS IS" BASIS,
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-      PARTICULAR PURPOSE. You are solely responsible for determining the
-      appropriateness of using or redistributing the Work and assume any
-      risks associated with Your exercise of permissions under this License.
-
-   8. Limitation of Liability. In no event and under no legal theory,
-      whether in tort (including negligence), contract, or otherwise,
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-      negligent acts) or agreed to in writing, shall any Contributor be
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-      result of this License or out of the use or inability to use the
-      Work (including but not limited to damages for loss of goodwill,
-      work stoppage, computer failure or malfunction, or any and all
-      other commercial damages or losses), even if such Contributor
-      has been advised of the possibility of such damages.
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-   9. Accepting Warranty or Additional Liability. While redistributing
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-      on Your own behalf and on Your sole responsibility, not on behalf
-      of any other Contributor, and only if You agree to indemnify,
-      defend, and hold each Contributor harmless for any liability
-      incurred by, or claims asserted against, such Contributor by reason
-      of your accepting any such warranty or additional liability.
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-   END OF TERMS AND CONDITIONS
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-      To apply the Apache License to your work, attach the following
-      boilerplate notice, with the fields enclosed by brackets "{}"
-      replaced with your own identifying information. (Don't include
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-      file or class name and description of purpose be included on the
-      same "printed page" as the copyright notice for easier
-      identification within third-party archives.
-
-   Copyright {yyyy} {name of copyright owner}
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-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
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-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
+      the Work and Derivative Works thereof.
+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
+      or by an individual or Legal Entity authorized to submit on behalf of
+      the copyright owner. For the purposes of this definition, "submitted"
+      means any form of electronic, verbal, or written communication sent
+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
+      and issue tracking systems that are managed by, or on behalf of, the
+      Licensor for the purpose of discussing and improving the Work, but
+      excluding communication that is conspicuously marked or otherwise
+      designated in writing by the copyright owner as "Not a Contribution."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
+
+   2. Grant of Copyright License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      copyright license to reproduce, prepare Derivative Works of,
+      publicly display, publicly perform, sublicense, and distribute the
+      Work and such Derivative Works in Source or Object form.
+
+   3. Grant of Patent License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      (except as stated in this section) patent license to make, have made,
+      use, offer to sell, sell, import, and otherwise transfer the Work,
+      where such license applies only to those patent claims licensable
+      by such Contributor that are necessarily infringed by their
+      Contribution(s) alone or by combination of their Contribution(s)
+      with the Work to which such Contribution(s) was submitted. If You
+      institute patent litigation against any entity (including a
+      cross-claim or counterclaim in a lawsuit) alleging that the Work
+      or a Contribution incorporated within the Work constitutes direct
+      or contributory patent infringement, then any patent licenses
+      granted to You under this License for that Work shall terminate
+      as of the date such litigation is filed.
+
+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
+      modifications, and in Source or Object form, provided that You
+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
+          that You distribute, all copyright, patent, trademark, and
+          attribution notices from the Source form of the Work,
+          excluding those notices that do not pertain to any part of
+          the Derivative Works; and
+
+      (d) If the Work includes a "NOTICE" text file as part of its
+          distribution, then any Derivative Works that You distribute must
+          include a readable copy of the attribution notices contained
+          within such NOTICE file, excluding those notices that do not
+          pertain to any part of the Derivative Works, in at least one
+          of the following places: within a NOTICE text file distributed
+          as part of the Derivative Works; within the Source form or
+          documentation, if provided along with the Derivative Works; or,
+          within a display generated by the Derivative Works, if and
+          wherever such third-party notices normally appear. The contents
+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "{}"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright 2017 John Grosh
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.

README.md

@@ -1,6 +1,15 @@
+<img align="right" src="https://i.imgur.com/zrE80HY.png" height="200" width="200">
+
+[![Downloads](https://img.shields.io/github/downloads/jagrosh/MusicBot/total.svg)](https://github.com/jagrosh/MusicBot/releases/latest)
+[![Release](https://img.shields.io/github/release/jagrosh/MusicBot.svg)](https://github.com/jagrosh/MusicBot/releases/latest)
+[![License](https://img.shields.io/github/license/jagrosh/MusicBot.svg)](https://github.com/jagrosh/MusicBot/blob/master/LICENSE)
+[![Discord](https://discordapp.com/api/guilds/147698382092238848/widget.png)](https://discord.gg/0p9LSGoRLu6Pet0k)
+
 # JMusicBot
 A Discord music bot with a clean interface, and that is easy to set up and run yourself
 
+[![Setup](http://i.imgur.com/VvXYp5j.png)](https://github.com/jagrosh/MusicBot/wiki/Setup)
+
 # Features
 * Easy to run (just make sure Java is installed, and run!)
 * Fast loading of songs
@@ -10,13 +19,18 @@ A Discord music bot with a clean interface, and that is easy to set up and run y
 * Clean and beautiful menus
 * Channel-topic playback bar
 * Supports many sites, including Youtube, Soundcloud, and more
-* Playlist support
+* Supports many online radio/streams
+* Supports local files
+* Playlist support (both web/youtube, and local)
 
 # Setup
 Please see the [Setup Page](https://github.com/jagrosh/MusicBot/wiki/Setup) in the wiki to run this bot yourself!
 
 # Questions/Suggestions/Bug Reports
-If you'd like to suggest changes to how the bot functions, recommend more customization options, or report bugs, feel free to either open an [Issue](https://github.com/jagrosh/MusicBot/issues) on this repository, or join [my Discord server](https://discord.gg/0p9LSGoRLu6Pet0k). If you like this bot, be sure to add a star to the libraries that make this possible: [**JDA**](https://github.com/DV8FromTheWorld/JDA) and [**lavaplayer**](https://github.com/sedmelluq/lavaplayer)
+**Please read the [Suggested/Planned Features List](https://github.com/jagrosh/MusicBot/projects/1) before suggesting a feature**. If you'd like to suggest changes to how the bot functions, recommend more customization options, or report bugs, feel free to either open an [Issue](https://github.com/jagrosh/MusicBot/issues) on this repository, or join [my Discord server](https://discord.gg/0p9LSGoRLu6Pet0k). (Note: I will not accept any feature requests that will require additional API keys, nor any non-music features). If you like this bot, be sure to add a star to the libraries that make this possible: [**JDA**](https://github.com/DV8FromTheWorld/JDA) and [**lavaplayer**](https://github.com/sedmelluq/lavaplayer)
 
 # Example
-![Example](http://i.imgur.com/gxDdlRL.png)
+![Example](https://i.imgur.com/tevrtKt.png)
+
+# Editing
+This bot (and the source code here) is not meant to be edited. The main purpose of having the source public is to show the capabilities of the libraries, and to allow others to understand how the bot works. There are many requirements and dependencies required to edit and compile it, and there will not be support provided for people looking to make changes on their own. Instead, consider making a feature request (see the above section). If you still choose to make edits, please do so in accordance with the Apache 2.0 License.

pom.xml

@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>me.jagrosh</groupId>
+    <groupId>com.jagrosh</groupId>
     <artifactId>JMusicBot</artifactId>
-    <version>0.0.2</version>
+    <version>0.2.1</version>
     <packaging>jar</packaging>
     
     <repositories>
@@ -15,59 +15,73 @@
     </repositories>
     
     <dependencies>
-        <dependency>
-            <groupId>org.slf4j</groupId>
-            <artifactId>slf4j-nop</artifactId>
-            <version>1.7.22</version>
-        </dependency>
         <dependency>
             <groupId>net.dv8tion</groupId> 
             <artifactId>JDA</artifactId> 
-            <version>3.0.BETA2_120</version>
+            <version>3.8.1_447</version>
         </dependency>
         <dependency>
             <groupId>com.sedmelluq</groupId>
             <artifactId>lavaplayer</artifactId>
-            <version>1.1.45</version>
+            <version>1.3.10</version>
         </dependency>
         <dependency>
-            <groupId>me.jagrosh</groupId>
-            <artifactId>JDA-Utilities</artifactId>
-            <version>0.6</version>
+            <groupId>com.jagrosh</groupId>
+            <artifactId>jda-utilities</artifactId>
+            <version>2.1.4</version>
+            <type>pom</type>
+        </dependency>
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-classic</artifactId>
+            <version>1.2.3</version>
+        </dependency>
+        <dependency>
+            <groupId>com.typesafe</groupId>
+            <artifactId>config</artifactId>
+            <version>1.3.2</version>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.12</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.hamcrest</groupId>
+            <artifactId>hamcrest-core</artifactId>
+            <version>1.3</version>
+            <scope>test</scope>
         </dependency>
     </dependencies>
     
     <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-jar-plugin</artifactId>
-                <version>2.4</version>
-                <configuration>
-                    <archive>
-                        <manifest>
-                            <addClasspath>true</addClasspath>
-                            <mainClass>me.jagrosh.jmusicbot.JMusicBot</mainClass>
-                        </manifest>
-                    </archive>
-                </configuration>
-            </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-shade-plugin</artifactId>
-                <version>2.4.3</version>
-                <configuration>
-                </configuration>
-                <executions>
-                    <execution>
-                        <phase>package</phase>
-                        <goals>
-                            <goal>shade</goal>
-                        </goals>
-                    </execution>
-                </executions>
-            </plugin>
-        </plugins>
+      <plugins>
+        <plugin>
+          <artifactId>maven-assembly-plugin</artifactId>
+          <configuration>
+            <archive>
+              <manifest>
+                <mainClass>com.jagrosh.jmusicbot.JMusicBot</mainClass>
+                <addDefaultImplementationEntries>true</addDefaultImplementationEntries>
+                <addDefaultSpecificationEntries>true</addDefaultSpecificationEntries>
+              </manifest>
+            </archive>
+            <descriptorRefs>
+              <descriptorRef>jar-with-dependencies</descriptorRef>
+            </descriptorRefs>
+          </configuration>
+          <executions>
+            <execution>
+              <id>make-assembly</id>
+              <phase>package</phase>
+              <goals>
+                <goal>single</goal>
+              </goals>
+            </execution>
+          </executions>
+        </plugin>
+      </plugins>
     </build>
     
     <properties>

src/main/java/com/jagrosh/jmusicbot/Bot.java

@@ -0,0 +1,152 @@
+/*
+ * Copyright 2018 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot;
+
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import com.jagrosh.jdautilities.commons.waiter.EventWaiter;
+import com.jagrosh.jmusicbot.audio.AudioHandler;
+import com.jagrosh.jmusicbot.audio.NowplayingHandler;
+import com.jagrosh.jmusicbot.audio.PlayerManager;
+import com.jagrosh.jmusicbot.gui.GUI;
+import com.jagrosh.jmusicbot.playlist.PlaylistLoader;
+import com.jagrosh.jmusicbot.settings.SettingsManager;
+import java.util.Objects;
+import net.dv8tion.jda.core.JDA;
+import net.dv8tion.jda.core.entities.Game;
+import net.dv8tion.jda.core.entities.Guild;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class Bot
+{
+    private final EventWaiter waiter;
+    private final ScheduledExecutorService threadpool;
+    private final BotConfig config;
+    private final SettingsManager settings;
+    private final PlayerManager players;
+    private final PlaylistLoader playlists;
+    private final NowplayingHandler nowplaying;
+    
+    private boolean shuttingDown = false;
+    private JDA jda;
+    private GUI gui;
+    
+    public Bot(EventWaiter waiter, BotConfig config, SettingsManager settings)
+    {
+        this.waiter = waiter;
+        this.config = config;
+        this.settings = settings;
+        this.playlists = new PlaylistLoader(config);
+        this.threadpool = Executors.newSingleThreadScheduledExecutor();
+        this.players = new PlayerManager(this);
+        this.players.init();
+        this.nowplaying = new NowplayingHandler(this);
+        this.nowplaying.init();
+    }
+    
+    public BotConfig getConfig()
+    {
+        return config;
+    }
+    
+    public SettingsManager getSettingsManager()
+    {
+        return settings;
+    }
+    
+    public EventWaiter getWaiter()
+    {
+        return waiter;
+    }
+    
+    public ScheduledExecutorService getThreadpool()
+    {
+        return threadpool;
+    }
+    
+    public PlayerManager getPlayerManager()
+    {
+        return players;
+    }
+    
+    public PlaylistLoader getPlaylistLoader()
+    {
+        return playlists;
+    }
+    
+    public NowplayingHandler getNowplayingHandler()
+    {
+        return nowplaying;
+    }
+    
+    public JDA getJDA()
+    {
+        return jda;
+    }
+    
+    public void closeAudioConnection(long guildId)
+    {
+        Guild guild = jda.getGuildById(guildId);
+        if(guild!=null)
+            threadpool.submit(() -> guild.getAudioManager().closeAudioConnection());
+    }
+    
+    public void resetGame()
+    {
+        Game game = config.getGame()==null || config.getGame().getName().equalsIgnoreCase("none") ? null : config.getGame();
+        if(!Objects.equals(jda.getPresence().getGame(), game))
+            jda.getPresence().setGame(game);
+    }
+
+    public void shutdown()
+    {
+        if(shuttingDown)
+            return;
+        shuttingDown = true;
+        threadpool.shutdownNow();
+        if(jda.getStatus()!=JDA.Status.SHUTTING_DOWN)
+        {
+            jda.getGuilds().stream().forEach(g -> 
+            {
+                g.getAudioManager().closeAudioConnection();
+                AudioHandler ah = (AudioHandler)g.getAudioManager().getSendingHandler();
+                if(ah!=null)
+                {
+                    ah.stopAndClear();
+                    ah.getPlayer().destroy();
+                    nowplaying.updateTopic(g.getIdLong(), ah, true);
+                }
+            });
+            jda.shutdown();
+        }
+        if(gui!=null)
+            gui.dispose();
+        System.exit(0);
+    }
+
+    public void setJDA(JDA jda)
+    {
+        this.jda = jda;
+    }
+    
+    public void setGUI(GUI gui)
+    {
+        this.gui = gui;
+    }
+}

src/main/java/com/jagrosh/jmusicbot/BotConfig.java

@@ -0,0 +1,297 @@
+/*
+ * Copyright 2018 John Grosh (jagrosh)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot;
+
+import com.jagrosh.jmusicbot.entities.Prompt;
+import com.jagrosh.jmusicbot.utils.FormatUtil;
+import com.jagrosh.jmusicbot.utils.OtherUtil;
+import com.sedmelluq.discord.lavaplayer.track.AudioTrack;
+import com.typesafe.config.*;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.LinkedList;
+import java.util.List;
+import net.dv8tion.jda.core.OnlineStatus;
+import net.dv8tion.jda.core.entities.Game;
+
+/**
+ * @author Your Name
+ * Changes from original source:
+ *  - Changed "searching" to "finding"
+ * 
+ * 
+ * @author John Grosh (jagrosh)
+ */
+public class BotConfig
+{
+    private final Prompt prompt;
+    private final static String CONTEXT = "Config";
+    
+    private Path path = null;
+    private String token, prefix, altprefix, helpWord, playlistsFolder,
+            successEmoji, warningEmoji, errorEmoji, loadingEmoji, searchingEmoji;
+    private boolean stayInChannel, songInGame, npImages, updatealerts, useEval, dbots;
+    private long owner, maxSeconds;
+    private OnlineStatus status;
+    private Game game;
+    
+    private boolean valid = false;
+    
+    public BotConfig(Prompt prompt)
+    {
+        this.prompt = prompt;
+    }
+    
+    public void load()
+    {
+        valid = false;
+        
+        // read config from file
+        try 
+        {
+            // get the path to the config, default config.txt
+            path = Paths.get(System.getProperty("config.file", System.getProperty("config", "config.txt")));
+            if(path.toFile().exists())
+            {
+                if(System.getProperty("config.file") == null)
+                    System.setProperty("config.file", System.getProperty("config", "config.txt"));
+                ConfigFactory.invalidateCaches();
+            }
+            
+            // load in the config file, plus the default values
+            //Config config = ConfigFactory.parseFile(path.toFile()).withFallback(ConfigFactory.load());
+            Config config = ConfigFactory.load();
+            
+            // info on where the config is being loaded from
+            prompt.alert(Prompt.Level.INFO, CONTEXT, "Loading config from "+path.toAbsolutePath().toString());
+            
+            // set values
+            token = config.getString("token");
+            prefix = config.getString("prefix");
+            altprefix = config.getString("altprefix");
+            helpWord = config.getString("help");
+            owner = config.getLong("owner");
+            successEmoji = config.getString("success");
+            warningEmoji = config.getString("warning");
+            errorEmoji = config.getString("error");
+            loadingEmoji = config.getString("loading");
+            searchingEmoji = config.getString("searching");
+            game = OtherUtil.parseGame(config.getString("game"));
+            status = OtherUtil.parseStatus(config.getString("status"));
+            stayInChannel = config.getBoolean("stayinchannel");
+            songInGame = config.getBoolean("songinstatus");
+            npImages = config.getBoolean("npimages");
+            updatealerts = config.getBoolean("updatealerts");
+            useEval = config.getBoolean("eval");
+            maxSeconds = config.getLong("maxtime");
+            playlistsFolder = config.getString("playlistsfolder");
+            dbots = owner == 113156185389092864L;
+            
+            // we may need to get some additional data and write a new config file
+            List<String> lines = new LinkedList<>();
+
+            // validate bot token
+            if(token==null || token.isEmpty() || token.equalsIgnoreCase("BOT_TOKEN_HERE"))
+            {
+                token = prompt.prompt("Please provide a bot token."
+                        + "\nInstructions for obtaining a token can be found here:"
+                        + "\nhttps://github.com/jagrosh/MusicBot/wiki/Getting-a-Bot-Token."
+                        + "\nBot Token: ");
+                if(token==null)
+                {
+                    prompt.alert(Prompt.Level.WARNING, CONTEXT, "No token provided! Exiting.");
+                    return;
+                }
+                else
+                {
+                    lines.add("token="+token);
+                }
+            }
+            
+            // validate bot owner
+            if(owner<=0)
+            {
+                try
+                {
+                    owner = Long.parseLong(prompt.prompt("Owner ID was missing, or the provided owner ID is not valid."
+                        + "\nPlease provide the User ID of the bot's owner."
+                        + "\nInstructions for obtaining your User ID can be found here:"
+                        + "\nhttps://github.com/jagrosh/MusicBot/wiki/Finding-Your-User-ID"
+                        + "\nOwner User ID: "));
+                }
+                catch(NumberFormatException | NullPointerException ex)
+                {
+                    owner = 0;
+                }
+                if(owner<=0)
+                {
+                    prompt.alert(Prompt.Level.ERROR, CONTEXT, "Invalid User ID! Exiting.");
+                    System.exit(0);
+                }
+                else
+                {
+                    lines.add("owner="+owner);
+                }
+            }
+            
+            if(!lines.isEmpty())
+            {
+                StringBuilder builder = new StringBuilder();
+                lines.stream().forEach(s -> builder.append(s).append("\r\n"));
+                try 
+                {
+                    Files.write(path, builder.toString().trim().getBytes());
+                }
+                catch(IOException ex) 
+                {
+                    prompt.alert(Prompt.Level.WARNING, CONTEXT, "Failed to write new config options to config.txt: "+ex
+                        + "\nPlease make sure that the files are not on your desktop or some other restricted area.");
+                }
+            }
+            
+            // if we get through the whole config, it's good to go
+            valid = true;
+        }
+        catch (ConfigException ex)
+        {
+            prompt.alert(Prompt.Level.ERROR, CONTEXT, ex + ": " + ex.getMessage());
+        }
+    }
+    
+    public boolean isValid()
+    {
+        return valid;
+    }
+    
+    public String getConfigLocation()
+    {
+        return path.toFile().getAbsolutePath();
+    }
+    
+    public String getPrefix()
+    {
+        return prefix;
+    }
+    
+    public String getAltPrefix()
+    {
+        return "NONE".equalsIgnoreCase(altprefix) ? null : altprefix;
+    }
+    
+    public String getToken()
+    {
+        return token;
+    }
+    
+    public long getOwnerId()
+    {
+        return owner;
+    }
+    
+    public String getSuccess()
+    {
+        return successEmoji;
+    }
+    
+    public String getWarning()
+    {
+        return warningEmoji;
+    }
+    
+    public String getError()
+    {
+        return errorEmoji;
+    }
+    
+    public String getLoading()
+    {
+        return loadingEmoji;
+    }
+    
+    public String getSearching()
+    {
+        return searchingEmoji;
+    }
+    
+    public Game getGame()
+    {
+        return game;
+    }
+    
+    public OnlineStatus getStatus()
+    {
+        return status;
+    }
+    
+    public String getHelp()
+    {
+        return helpWord;
+    }
+    
+    public boolean getStay()
+    {
+        return stayInChannel;
+    }
+    
+    public boolean getSongInStatus()
+    {
+        return songInGame;
+    }
+    
+    public String getPlaylistsFolder()
+    {
+        return playlistsFolder;
+    }
+    
+    public boolean getDBots()
+    {
+        return dbots;
+    }
+    
+    public boolean useUpdateAlerts()
+    {
+        return updatealerts;
+    }
+    
+    public boolean useEval()
+    {
+        return useEval;
+    }
+    
+    public boolean useNPImages()
+    {
+        return npImages;
+    }
+    
+    public long getMaxSeconds()
+    {
+        return maxSeconds;
+    }
+    
+    public String getMaxTime()
+    {
+        return FormatUtil.formatTime(maxSeconds * 1000);
+    }
+    
+    public boolean isTooLong(AudioTrack track)
+    {
+        if(maxSeconds<=0)
+            return false;
+        return Math.round(track.getDuration()/1000.0) > maxSeconds;
+    }
+}

src/main/java/com/jagrosh/jmusicbot/JMusicBot.java

@@ -0,0 +1,195 @@
+/*
+ * Copyright 2016 John Grosh (jagrosh).
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot;
+
+import com.jagrosh.jdautilities.command.CommandClient;
+import com.jagrosh.jdautilities.command.CommandClientBuilder;
+import com.jagrosh.jdautilities.commons.waiter.EventWaiter;
+import com.jagrosh.jdautilities.examples.command.*;
+import com.jagrosh.jmusicbot.commands.admin.*;
+import com.jagrosh.jmusicbot.commands.dj.*;
+import com.jagrosh.jmusicbot.commands.general.*;
+import com.jagrosh.jmusicbot.commands.music.*;
+import com.jagrosh.jmusicbot.commands.owner.*;
+import com.jagrosh.jmusicbot.entities.Prompt;
+import com.jagrosh.jmusicbot.gui.GUI;
+import com.jagrosh.jmusicbot.settings.SettingsManager;
+import com.jagrosh.jmusicbot.utils.OtherUtil;
+import java.awt.Color;
+import javax.security.auth.login.LoginException;
+import net.dv8tion.jda.core.*;
+import net.dv8tion.jda.core.entities.Game;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ *
+ * @author John Grosh (jagrosh)
+ */
+public class JMusicBot 
+{
+    public final static String PLAY_EMOJI  = "\u25B6";
+    public final static String PAUSE_EMOJI = "\u23F8";
+    public final static String STOP_EMOJI  = "\u23F9";
+    public final static Permission[] RECOMMENDED_PERMS = new Permission[]{Permission.MESSAGE_READ, Permission.MESSAGE_WRITE, Permission.MESSAGE_HISTORY, Permission.MESSAGE_ADD_REACTION,
+                                Permission.MESSAGE_EMBED_LINKS, Permission.MESSAGE_ATTACH_FILES, Permission.MESSAGE_MANAGE, Permission.MESSAGE_EXT_EMOJI,
+                                Permission.MANAGE_CHANNEL, Permission.VOICE_CONNECT, Permission.VOICE_SPEAK, Permission.NICKNAME_CHANGE};
+    /**
+     * @param args the command line arguments
+     */
+    public static void main(String[] args)
+    {
+        // startup log
+        Logger log = LoggerFactory.getLogger("Startup");
+        
+        // create prompt to handle startup
+        Prompt prompt = new Prompt("JMusicBot", "Switching to nogui mode. You can manually start in nogui mode by including the -Dnogui=true flag.", 
+                "true".equalsIgnoreCase(System.getProperty("nogui", "false")));
+        
+        // check deprecated nogui mode (new way of setting it is -Dnogui=true)
+        for(String arg: args)
+            if("-nogui".equalsIgnoreCase(arg))
+            {
+                prompt.alert(Prompt.Level.WARNING, "GUI", "The -nogui flag has been deprecated. "
+                        + "Please use the -Dnogui=true flag before the name of the jar. Example: java -jar -Dnogui=true JMusicBot.jar");
+                break;
+            }
+        
+        // get and check latest version
+        String version = OtherUtil.checkVersion(prompt);
+        
+        // load config
+        BotConfig config = new BotConfig(prompt);
+        config.load();
+        if(!config.isValid())
+            return;
+        
+        // set up the listener
+        EventWaiter waiter = new EventWaiter();
+        SettingsManager settings = new SettingsManager();
+        Bot bot = new Bot(waiter, config, settings);
+        
+        AboutCommand aboutCommand = new AboutCommand(Color.BLUE.brighter(),
+                                "a music bot that is [easy to host yourself!](https://github.com/jagrosh/MusicBot) (v"+version+")",
+                                new String[]{"High-quality music playback", "FairQueue™ Technology", "Easy to host yourself"},
+                                RECOMMENDED_PERMS);
+        aboutCommand.setIsAuthor(false);
+        aboutCommand.setReplacementCharacter("\uD83C\uDFB6");
+        
+        // set up the command client
+        CommandClientBuilder cb = new CommandClientBuilder()
+                .setPrefix(config.getPrefix())
+                .setAlternativePrefix(config.getAltPrefix())
+                .setOwnerId(Long.toString(config.getOwnerId()))
+                .setEmojis(config.getSuccess(), config.getWarning(), config.getError())
+                .setHelpWord(config.getHelp())
+                .setLinkedCacheSize(200)
+                .setGuildSettingsManager(settings)
+                .addCommands(aboutCommand,
+                        new PingCommand(),
+                        new SettingsCmd(),
+                        
+                        new NowplayingCmd(bot),
+                        new PlayCmd(bot, config.getLoading()),
+                        new PlaylistsCmd(bot),
+                        new QueueCmd(bot),
+                        new RemoveCmd(bot),
+                        new SearchCmd(bot, config.getSearching()),
+                        new SCSearchCmd(bot, config.getSearching()),
+                        new ShuffleCmd(bot),
+                        new SkipCmd(bot),
+                        
+                        new ForceskipCmd(bot),
+                        new PauseCmd(bot),
+                        new PlaynextCmd(bot, config.getLoading()),
+                        new RepeatCmd(bot),
+                        new SkiptoCmd(bot),
+                        new StopCmd(bot),
+                        new VolumeCmd(bot),
+                        
+                        new SetdjCmd(),
+                        new SettcCmd(),
+                        new SetvcCmd(),
+                        
+                        new AutoplaylistCmd(bot),
+                        new PlaylistCmd(bot),
+                        new SetavatarCmd(),
+                        new SetgameCmd(),
+                        new SetnameCmd(bot),
+                        new SetstatusCmd(),
+                        new ShutdownCmd(bot)
+                );
+        if(config.useEval())
+            cb.addCommand(new EvalCmd(bot));
+        boolean nogame = false;
+        if(config.getStatus()!=OnlineStatus.UNKNOWN)
+            cb.setStatus(config.getStatus());
+        if(config.getGame()==null)
+            cb.useDefaultGame();
+        else if(config.getGame().getName().equalsIgnoreCase("none"))
+        {
+            cb.setGame(null);
+            nogame = true;
+        }
+        else
+            cb.setGame(config.getGame());
+        CommandClient client = cb.build();
+        
+        if(!prompt.isNoGUI())
+        {
+            try 
+            {
+                GUI gui = new GUI(bot);
+                bot.setGUI(gui);
+                gui.init();
+            } 
+            catch(Exception e) 
+            {
+                log.error("Could not start GUI. If you are "
+                        + "running on a server or in a location where you cannot display a "
+                        + "window, please run in nogui mode using the -Dnogui=true flag.");
+            }
+        }
+        
+        log.info("Loaded config from "+config.getConfigLocation());
+        
+        // attempt to log in and start
+        try
+        {
+            JDA jda = new JDABuilder(AccountType.BOT)
+                    .setToken(config.getToken())
+                    .setAudioEnabled(true)
+                    .setGame(nogame ? null : Game.playing("loading..."))
+                    .setStatus(config.getStatus()==OnlineStatus.INVISIBLE||config.getStatus()==OnlineStatus.OFFLINE ? OnlineStatus.INVISIBLE : OnlineStatus.DO_NOT_DISTURB)
+                    .addEventListener(client, waiter, new Listener(bot))
+                    .setBulkDeleteSplittingEnabled(true)
+                    .build();
+            bot.setJDA(jda);
+        }
+        catch (LoginException ex)
+        {
+            log.error(ex+"\nPlease make sure you are "
+                    + "editing the correct config.txt file, and that you have used the "
+                    + "correct token (not the 'secret'!)");
+            System.exit(1);
+        }
+        catch(IllegalArgumentException ex)
+        {
+            log.error("Some aspect of the configuration is invalid: "+ex);
+            System.exit(1);
+        }
+    }
+}

src/main/java/com/jagrosh/jmusicbot/Listener.java

@@ -0,0 +1,118 @@
+/*
+ * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot;
+
+import com.jagrosh.jmusicbot.utils.OtherUtil;
+import java.util.concurrent.TimeUnit;
+import net.dv8tion.jda.core.JDA;
+import net.dv8tion.jda.core.entities.Guild;
+import net.dv8tion.jda.core.entities.User;
+import net.dv8tion.jda.core.entities.VoiceChannel;
+import net.dv8tion.jda.core.events.ReadyEvent;
+import net.dv8tion.jda.core.events.ShutdownEvent;
+import net.dv8tion.jda.core.events.guild.GuildJoinEvent;
+import net.dv8tion.jda.core.events.message.guild.GuildMessageDeleteEvent;
+import net.dv8tion.jda.core.hooks.ListenerAdapter;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ *
+ * @author John Grosh (john.a.grosh@gmail.com)
+ */
+public class Listener extends ListenerAdapter
+{
+    private final Bot bot;
+    
+    public Listener(Bot bot)
+    {
+        this.bot = bot;
+    }
+    
+    @Override
+    public void onReady(ReadyEvent event) 
+    {
+        if(event.getJDA().getGuilds().isEmpty())
+        {
+            Logger log = LoggerFactory.getLogger("MusicBot");
+            log.warn("This bot is not on any guilds! Use the following link to add the bot to your guilds!");
+            log.warn(event.getJDA().asBot().getInviteUrl(JMusicBot.RECOMMENDED_PERMS));
+        }
+        credit(event.getJDA());
+        event.getJDA().getGuilds().forEach((guild) -> 
+        {
+            try
+            {
+                String defpl = bot.getSettingsManager().getSettings(guild).getDefaultPlaylist();
+                VoiceChannel vc = bot.getSettingsManager().getSettings(guild).getVoiceChannel(guild);
+                if(defpl!=null && vc!=null)
+                {
+                    if(bot.getPlayerManager().setUpHandler(guild).playFromDefault())
+                        guild.getAudioManager().openAudioConnection(vc);
+                }
+            }
+            catch(Exception ex) {}
+        });
+        if(bot.getConfig().useUpdateAlerts())
+        {
+            bot.getThreadpool().scheduleWithFixedDelay(() -> 
+            {
+                User owner = bot.getJDA().getUserById(bot.getConfig().getOwnerId());
+                if(owner!=null)
+                {
+                    String currentVersion = OtherUtil.getCurrentVersion();
+                    String latestVersion = OtherUtil.getLatestVersion();
+                    if(latestVersion!=null && !currentVersion.equalsIgnoreCase(latestVersion))
+                    {
+                        String msg = String.format(OtherUtil.NEW_VERSION_AVAILABLE, currentVersion, latestVersion);
+                        owner.openPrivateChannel().queue(pc -> pc.sendMessage(msg).queue());
+                    }
+                }
+            }, 0, 24, TimeUnit.HOURS);
+        }
+    }
+    
+    @Override
+    public void onGuildMessageDelete(GuildMessageDeleteEvent event) 
+    {
+        bot.getNowplayingHandler().onMessageDelete(event.getGuild(), event.getMessageIdLong());
+    }
+    
+    @Override
+    public void onShutdown(ShutdownEvent event) 
+    {
+        bot.shutdown();
+    }
+
+    @Override
+    public void onGuildJoin(GuildJoinEvent event) 
+    {
+        credit(event.getJDA());
+    }
+    
+    // make sure people aren't adding clones to dbots
+    private void credit(JDA jda)
+    {
+        Guild dbots = jda.getGuildById(110373943822540800L);
+        if(dbots==null)
+            return;
+        if(bot.getConfig().getDBots())
+            return;
+        jda.getTextChannelById(119222314964353025L)
+                .sendMessage("This account is running JMusicBot. Please do not list bot clones on this server, <@"+bot.getConfig().getOwnerId()+">.").complete();
+        dbots.leave().queue();
+    }
+}

src/main/java/com/jagrosh/jmusicbot/audio/AudioHandler.java

@@ -0,0 +1,299 @@
+/*
+ * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.audio;
+
+import com.jagrosh.jmusicbot.JMusicBot;
+import com.jagrosh.jmusicbot.playlist.PlaylistLoader.Playlist;
+import com.sedmelluq.discord.lavaplayer.player.AudioPlayer;
+import com.sedmelluq.discord.lavaplayer.player.event.AudioEventAdapter;
+import com.sedmelluq.discord.lavaplayer.track.AudioTrack;
+import com.sedmelluq.discord.lavaplayer.track.AudioTrackEndReason;
+import com.sedmelluq.discord.lavaplayer.track.playback.AudioFrame;
+import java.util.HashSet;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Set;
+import com.jagrosh.jmusicbot.queue.FairQueue;
+import com.jagrosh.jmusicbot.settings.Settings;
+import com.jagrosh.jmusicbot.utils.FormatUtil;
+import static com.jagrosh.jmusicbot.utils.FormatUtil.formatTime;
+import static com.jagrosh.jmusicbot.utils.FormatUtil.volumeIcon;
+import com.sedmelluq.discord.lavaplayer.source.youtube.YoutubeAudioTrack;
+import net.dv8tion.jda.core.EmbedBuilder;
+import net.dv8tion.jda.core.JDA;
+import net.dv8tion.jda.core.MessageBuilder;
+import net.dv8tion.jda.core.audio.AudioSendHandler;
+import net.dv8tion.jda.core.entities.Guild;
+import net.dv8tion.jda.core.entities.Message;
+import net.dv8tion.jda.core.entities.User;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class AudioHandler extends AudioEventAdapter implements AudioSendHandler 
+{
+    private final FairQueue<QueuedTrack> queue = new FairQueue<>();
+    private final List<AudioTrack> defaultQueue = new LinkedList<>();
+    private final Set<String> votes = new HashSet<>();
+    
+    private final PlayerManager manager;
+    private final AudioPlayer audioPlayer;
+    private final long guildId;
+    
+    private AudioFrame lastFrame;
+
+    protected AudioHandler(PlayerManager manager, Guild guild, AudioPlayer player)
+    {
+        this.manager = manager;
+        this.audioPlayer = player;
+        this.guildId = guild.getIdLong();
+    }
+
+    public int addTrackToFront(QueuedTrack qtrack)
+    {
+        if(audioPlayer.getPlayingTrack()==null)
+        {
+            audioPlayer.playTrack(qtrack.getTrack());
+            return -1;
+        }
+        else
+        {
+            queue.addAt(0, qtrack);
+            return 0;
+        }
+    }
+    
+    public int addTrack(QueuedTrack qtrack)
+    {
+        if(audioPlayer.getPlayingTrack()==null)
+        {
+            audioPlayer.playTrack(qtrack.getTrack());
+            return -1;
+        }
+        else
+            return queue.add(qtrack);
+    }
+    
+    public FairQueue<QueuedTrack> getQueue()
+    {
+        return queue;
+    }
+    
+    public void stopAndClear()
+    {
+        queue.clear();
+        defaultQueue.clear();
+        audioPlayer.stopTrack();
+        //current = null;
+    }
+    
+    public boolean isMusicPlaying(JDA jda)
+    {
+        return guild(jda).getSelfMember().getVoiceState().inVoiceChannel() && audioPlayer.getPlayingTrack()!=null;
+    }
+    
+    public Set<String> getVotes()
+    {
+        return votes;
+    }
+    
+    public AudioPlayer getPlayer()
+    {
+        return audioPlayer;
+    }
+    
+    public long getRequester()
+    {
+        if(audioPlayer.getPlayingTrack()==null || audioPlayer.getPlayingTrack().getUserData(Long.class)==null)
+            return 0;
+        return audioPlayer.getPlayingTrack().getUserData(Long.class);
+    }
+    
+    public boolean playFromDefault()
+    {
+        if(!defaultQueue.isEmpty())
+        {
+            audioPlayer.playTrack(defaultQueue.remove(0));
+            return true;
+        }
+        Settings settings = manager.getBot().getSettingsManager().getSettings(guildId);
+        if(settings==null || settings.getDefaultPlaylist()==null)
+            return false;
+        
+        Playlist pl = manager.getBot().getPlaylistLoader().getPlaylist(settings.getDefaultPlaylist());
+        if(pl==null || pl.getItems().isEmpty())
+            return false;
+        pl.loadTracks(manager, (at) -> 
+        {
+            if(audioPlayer.getPlayingTrack()==null)
+                audioPlayer.playTrack(at);
+            else
+                defaultQueue.add(at);
+        }, () -> 
+        {
+            if(pl.getTracks().isEmpty() && !manager.getBot().getConfig().getStay())
+                manager.getBot().closeAudioConnection(guildId);
+        });
+        return true;
+    }
+    
+    // Audio Events
+    @Override
+    public void onTrackEnd(AudioPlayer player, AudioTrack track, AudioTrackEndReason endReason) 
+    {
+        // if the track ended normally, and we're in repeat mode, re-add it to the queue
+        if(endReason==AudioTrackEndReason.FINISHED && manager.getBot().getSettingsManager().getSettings(guildId).getRepeatMode())
+        {
+            queue.add(new QueuedTrack(track.makeClone(), track.getUserData(Long.class)==null ? 0L : track.getUserData(Long.class)));
+        }
+        
+        if(queue.isEmpty())
+        {
+            if(!playFromDefault())
+            {
+                manager.getBot().getNowplayingHandler().onTrackUpdate(guildId, null, this);
+                if(!manager.getBot().getConfig().getStay())
+                    manager.getBot().closeAudioConnection(guildId);
+            }
+        }
+        else
+        {
+            QueuedTrack qt = queue.pull();
+            player.playTrack(qt.getTrack());
+        }
+    }
+
+    @Override
+    public void onTrackStart(AudioPlayer player, AudioTrack track) 
+    {
+        votes.clear();
+        manager.getBot().getNowplayingHandler().onTrackUpdate(guildId, track, this);
+    }
+
+    
+    // Formatting
+    public Message getNowPlaying(JDA jda)
+    {
+        if(isMusicPlaying(jda))
+        {
+            Guild guild = guild(jda);
+            AudioTrack track = audioPlayer.getPlayingTrack();
+            MessageBuilder mb = new MessageBuilder();
+            mb.append(FormatUtil.filter(manager.getBot().getConfig().getSuccess()+" **Now Playing in "+guild.getSelfMember().getVoiceState().getChannel().getName()+"...**"));
+            EmbedBuilder eb = new EmbedBuilder();
+            eb.setColor(guild.getSelfMember().getColor());
+            if(getRequester() != 0)
+            {
+                User u = guild.getJDA().getUserById(getRequester());
+                if(u==null)
+                    eb.setAuthor("Unknown (ID:"+getRequester()+")", null, null);
+                else
+                    eb.setAuthor(u.getName()+"#"+u.getDiscriminator(), null, u.getEffectiveAvatarUrl());
+            }
+
+            try 
+            {
+                eb.setTitle(track.getInfo().title, track.getInfo().uri);
+            }
+            catch(Exception e) 
+            {
+                eb.setTitle(track.getInfo().title);
+            }
+
+            if(track instanceof YoutubeAudioTrack && manager.getBot().getConfig().useNPImages())
+            {
+                eb.setThumbnail("https://img.youtube.com/vi/"+track.getIdentifier()+"/mqdefault.jpg");
+            }
+            
+            if(track.getInfo().author != null && !track.getInfo().author.isEmpty())
+                eb.setFooter("Source: " + track.getInfo().author, null);
+
+            double progress = (double)audioPlayer.getPlayingTrack().getPosition()/track.getDuration();
+            eb.setDescription((audioPlayer.isPaused() ? JMusicBot.PAUSE_EMOJI : JMusicBot.PLAY_EMOJI)
+                    + " "+FormatUtil.progressBar(progress)
+                    + " `[" + FormatUtil.formatTime(track.getPosition()) + "/" + FormatUtil.formatTime(track.getDuration()) + "]` "
+                    + FormatUtil.volumeIcon(audioPlayer.getVolume()));
+            
+            return mb.setEmbed(eb.build()).build();
+        }
+        else return null;
+    }
+    
+    public Message getNoMusicPlaying(JDA jda)
+    {
+        Guild guild = guild(jda);
+        return new MessageBuilder()
+                .setContent(FormatUtil.filter(manager.getBot().getConfig().getSuccess()+" **Now Playing...**"))
+                .setEmbed(new EmbedBuilder()
+                .setTitle("No music playing")
+                .setDescription(JMusicBot.STOP_EMOJI+" "+FormatUtil.progressBar(-1)+" "+FormatUtil.volumeIcon(audioPlayer.getVolume()))
+                .setColor(guild.getSelfMember().getColor())
+                .build()).build();
+    }
+    
+    public String getTopicFormat(JDA jda)
+    {
+        if(isMusicPlaying(jda))
+        {
+            long userid = getRequester();
+            AudioTrack track = audioPlayer.getPlayingTrack();
+            String title = track.getInfo().title;
+            if(title==null || title.equals("Unknown Title"))
+                title = track.getInfo().uri;
+            return "**"+title+"** ["+(userid==0 ? "autoplay" : "<@"+userid+">")+"]"
+                    + "\n"+(audioPlayer.isPaused()?"\u23F8":"\u25B6")+" "
+                    +"["+formatTime(track.getDuration())+"] "
+                    +volumeIcon(audioPlayer.getVolume());
+        }
+        else return "No music playing \u23F9 " + volumeIcon(audioPlayer.getVolume());
+    }
+    
+    // Audio Send Handler methods
+    @Override
+    public boolean canProvide() 
+    {
+        if (lastFrame == null)
+            lastFrame = audioPlayer.provide();
+
+        return lastFrame != null;
+    }
+
+    @Override
+    public byte[] provide20MsAudio() 
+    {
+        if (lastFrame == null) 
+            lastFrame = audioPlayer.provide();
+
+        byte[] data = lastFrame != null ? lastFrame.getData() : null;
+        lastFrame = null;
+
+        return data;
+    }
+
+    @Override
+    public boolean isOpus() 
+    {
+        return true;
+    }
+    
+    
+    // Private methods
+    private Guild guild(JDA jda)
+    {
+        return jda.getGuildById(guildId);
+    }
+}

src/main/java/com/jagrosh/jmusicbot/audio/NowplayingHandler.java

@@ -0,0 +1,157 @@
+/*
+ * Copyright 2018 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.audio;
+
+import com.jagrosh.jmusicbot.Bot;
+import com.jagrosh.jmusicbot.entities.Pair;
+import com.jagrosh.jmusicbot.settings.Settings;
+import com.jagrosh.jmusicbot.utils.FormatUtil;
+import com.sedmelluq.discord.lavaplayer.track.AudioTrack;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.concurrent.TimeUnit;
+import net.dv8tion.jda.core.MessageBuilder;
+import net.dv8tion.jda.core.Permission;
+import net.dv8tion.jda.core.entities.Game;
+import net.dv8tion.jda.core.entities.Guild;
+import net.dv8tion.jda.core.entities.Message;
+import net.dv8tion.jda.core.entities.TextChannel;
+import net.dv8tion.jda.core.exceptions.PermissionException;
+
+/**
+ *
+ * @author John Grosh (john.a.grosh@gmail.com)
+ */
+public class NowplayingHandler
+{
+    private final Bot bot;
+    private final HashMap<Long,Pair<Long,Long>> lastNP; // guild -> channel,message
+    
+    public NowplayingHandler(Bot bot)
+    {
+        this.bot = bot;
+        this.lastNP = new HashMap<>();
+    }
+    
+    public void init()
+    {
+        bot.getThreadpool().scheduleWithFixedDelay(() -> updateAll(), 0, 5, TimeUnit.SECONDS);
+    }
+    
+    public void setLastNPMessage(Message m)
+    {
+        lastNP.put(m.getGuild().getIdLong(), new Pair<>(m.getTextChannel().getIdLong(), m.getIdLong()));
+    }
+    
+    public void clearLastNPMessage(Guild guild)
+    {
+        lastNP.remove(guild.getIdLong());
+    }
+    
+    private void updateAll()
+    {
+        Set<Long> toRemove = new HashSet<>();
+        for(long guildId: lastNP.keySet())
+        {
+            Guild guild = bot.getJDA().getGuildById(guildId);
+            if(guild==null)
+            {
+                toRemove.add(guildId);
+                continue;
+            }
+            Pair<Long,Long> pair = lastNP.get(guildId);
+            TextChannel tc = guild.getTextChannelById(pair.getKey());
+            if(tc==null)
+            {
+                toRemove.add(guildId);
+                continue;
+            }
+            AudioHandler handler = (AudioHandler)guild.getAudioManager().getSendingHandler();
+            Message msg = handler.getNowPlaying(bot.getJDA());
+            if(msg==null)
+            {
+                msg = handler.getNoMusicPlaying(bot.getJDA());
+                toRemove.add(guildId);
+            }
+            try 
+            {
+                tc.editMessageById(pair.getValue(), msg).queue(m->{}, t -> lastNP.remove(guildId));
+            } 
+            catch(Exception e) 
+            {
+                toRemove.add(guildId);
+            }
+        }
+        toRemove.forEach(id -> lastNP.remove(id));
+    }
+    
+    public void updateTopic(long guildId, AudioHandler handler, boolean wait)
+    {
+        Guild guild = bot.getJDA().getGuildById(guildId);
+        if(guild==null)
+            return;
+        Settings settings = bot.getSettingsManager().getSettings(guildId);
+        TextChannel tchan = settings.getTextChannel(guild);
+        if(tchan!=null && guild.getSelfMember().hasPermission(tchan, Permission.MANAGE_CHANNEL))
+        {
+            String otherText;
+            if(tchan.getTopic()==null || tchan.getTopic().isEmpty())
+                otherText = "\u200B";
+            else if(tchan.getTopic().contains("\u200B"))
+                otherText = tchan.getTopic().substring(tchan.getTopic().lastIndexOf("\u200B"));
+            else
+                otherText = "\u200B\n "+tchan.getTopic();
+            String text = handler.getTopicFormat(bot.getJDA()) + otherText;
+            if(!text.equals(tchan.getTopic()))
+            {
+                try 
+                {
+                    if(wait)
+                        tchan.getManager().setTopic(text).complete();
+                    else
+                        tchan.getManager().setTopic(text).queue();
+                } 
+                catch(PermissionException e) {}
+            }
+        }
+    }
+    
+    // "event"-based methods
+    public void onTrackUpdate(long guildId, AudioTrack track, AudioHandler handler)
+    {
+        // update bot status if applicable
+        if(bot.getConfig().getSongInStatus())
+        {
+            if(track!=null && bot.getJDA().getGuilds().stream().filter(g -> g.getSelfMember().getVoiceState().inVoiceChannel()).count()<=1)
+                bot.getJDA().getPresence().setGame(Game.listening(track.getInfo().title));
+            else
+                bot.resetGame();
+        }
+        
+        // update channel topic if applicable
+        updateTopic(guildId, handler, false);
+    }
+    
+    public void onMessageDelete(Guild guild, long messageId)
+    {
+        Pair<Long,Long> pair = lastNP.get(guild.getIdLong());
+        if(pair==null)
+            return;
+        if(pair.getValue() == messageId)
+            lastNP.remove(guild.getIdLong());
+    }
+}

src/main/java/com/jagrosh/jmusicbot/audio/PlayerManager.java

@@ -0,0 +1,70 @@
+/*
+ * Copyright 2018 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.audio;
+
+import com.jagrosh.jmusicbot.Bot;
+import com.sedmelluq.discord.lavaplayer.player.AudioPlayer;
+import com.sedmelluq.discord.lavaplayer.player.DefaultAudioPlayerManager;
+import com.sedmelluq.discord.lavaplayer.source.AudioSourceManagers;
+import com.sedmelluq.discord.lavaplayer.source.youtube.YoutubeAudioSourceManager;
+import net.dv8tion.jda.core.entities.Guild;
+
+/**
+ *
+ * @author John Grosh (john.a.grosh@gmail.com)
+ */
+public class PlayerManager extends DefaultAudioPlayerManager
+{
+    private final Bot bot;
+    
+    public PlayerManager(Bot bot)
+    {
+        this.bot = bot;
+    }
+    
+    public void init()
+    {
+        AudioSourceManagers.registerRemoteSources(this);
+        AudioSourceManagers.registerLocalSource(this);
+        source(YoutubeAudioSourceManager.class).setPlaylistPageCount(10);
+    }
+    
+    public Bot getBot()
+    {
+        return bot;
+    }
+    
+    public boolean hasHandler(Guild guild)
+    {
+        return guild.getAudioManager().getSendingHandler()!=null;
+    }
+    
+    public AudioHandler setUpHandler(Guild guild)
+    {
+        AudioHandler handler;
+        if(guild.getAudioManager().getSendingHandler()==null)
+        {
+            AudioPlayer player = createPlayer();
+            player.setVolume(bot.getSettingsManager().getSettings(guild).getVolume());
+            handler = new AudioHandler(this, guild, player);
+            player.addListener(handler);
+            guild.getAudioManager().setSendingHandler(handler);
+        }
+        else
+            handler = (AudioHandler) guild.getAudioManager().getSendingHandler();
+        return handler;
+    }
+}

src/main/java/com/jagrosh/jmusicbot/audio/QueuedTrack.java

@@ -1,52 +1,58 @@
-/*
- * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot.audio;
-
-import com.sedmelluq.discord.lavaplayer.track.AudioTrack;
-import me.jagrosh.jmusicbot.queue.Queueable;
-import me.jagrosh.jmusicbot.utils.FormatUtil;
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public class QueuedTrack implements Queueable {
-
-    private final AudioTrack track;
-    private final String owner;
-    
-    public QueuedTrack(AudioTrack track, String owner)
-    {
-        this.track = track;
-        this.owner = owner;
-    }
-    
-    @Override
-    public String getIdentifier() {
-        return owner;
-    }
-    
-    public AudioTrack getTrack()
-    {
-        return track;
-    }
-
-    @Override
-    public String toString() {
-        return "`["+FormatUtil.formatTime(track.getDuration())+"]` **" + track.getInfo().title +"** - <@"+owner+">";
-    }
-    
-}
+/*
+ * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.audio;
+
+import com.sedmelluq.discord.lavaplayer.track.AudioTrack;
+import com.jagrosh.jmusicbot.queue.Queueable;
+import com.jagrosh.jmusicbot.utils.FormatUtil;
+import net.dv8tion.jda.core.entities.User;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class QueuedTrack implements Queueable
+{
+    private final AudioTrack track;
+    
+    public QueuedTrack(AudioTrack track, User owner)
+    {
+        this(track, owner.getIdLong());
+    }
+    
+    public QueuedTrack(AudioTrack track, long owner)
+    {
+        this.track = track;
+        this.track.setUserData(owner);
+    }
+    
+    @Override
+    public long getIdentifier() 
+    {
+        return track.getUserData(Long.class);
+    }
+    
+    public AudioTrack getTrack()
+    {
+        return track;
+    }
+
+    @Override
+    public String toString() 
+    {
+        return "`[" + FormatUtil.formatTime(track.getDuration()) + "]` **" + track.getInfo().title + "** - <@" + track.getUserData(Long.class) + ">";
+    }
+}

src/main/java/com/jagrosh/jmusicbot/commands/AdminCommand.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2018 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands;
+
+import com.jagrosh.jdautilities.command.Command;
+import net.dv8tion.jda.core.Permission;
+
+/**
+ *
+ * @author John Grosh (john.a.grosh@gmail.com)
+ */
+public abstract class AdminCommand extends Command
+{
+    public AdminCommand()
+    {
+        this.category = new Category("Admin", event -> 
+        {
+            if(event.getAuthor().getId().equals(event.getClient().getOwnerId()))
+                return true;
+            if(event.getGuild()==null)
+                return true;
+            return event.getMember().hasPermission(Permission.MANAGE_SERVER);
+        });
+        this.guildOnly = true;
+    }
+}

src/main/java/com/jagrosh/jmusicbot/commands/DJCommand.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2018 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands;
+
+import com.jagrosh.jmusicbot.Bot;
+import com.jagrosh.jmusicbot.settings.Settings;
+import net.dv8tion.jda.core.Permission;
+import net.dv8tion.jda.core.entities.Role;
+
+/**
+ *
+ * @author John Grosh (john.a.grosh@gmail.com)
+ */
+public abstract class DJCommand extends MusicCommand
+{
+    public DJCommand(Bot bot)
+    {
+        super(bot);
+        this.category = new Category("DJ", event -> 
+        {
+            if(event.getAuthor().getId().equals(event.getClient().getOwnerId()))
+                return true;
+            if(event.getGuild()==null)
+                return true;
+            if(event.getMember().hasPermission(Permission.MANAGE_SERVER))
+                return true;
+            Settings settings = event.getClient().getSettingsFor(event.getGuild());
+            Role dj = settings.getRole(event.getGuild());
+            return dj!=null && (event.getMember().getRoles().contains(dj) || dj.getIdLong()==event.getGuild().getIdLong());
+        });
+    }
+}

src/main/java/com/jagrosh/jmusicbot/commands/MusicCommand.java

@@ -1,84 +1,94 @@
-/*
- * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot.commands;
-
-import me.jagrosh.jdautilities.commandclient.Command;
-import me.jagrosh.jdautilities.commandclient.CommandEvent;
-import me.jagrosh.jmusicbot.Bot;
-import me.jagrosh.jmusicbot.Settings;
-import me.jagrosh.jmusicbot.audio.AudioHandler;
-import net.dv8tion.jda.core.entities.GuildVoiceState;
-import net.dv8tion.jda.core.entities.TextChannel;
-import net.dv8tion.jda.core.entities.VoiceChannel;
-import net.dv8tion.jda.core.exceptions.PermissionException;
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public abstract class MusicCommand extends Command {
-
-    protected final Bot bot;
-    protected boolean bePlaying;
-    protected boolean beListening;
-    
-    public MusicCommand(Bot bot)
-    {
-        this.bot = bot;
-        this.guildOnly = true;
-        this.category = bot.MUSIC;
-    }
-    
-    @Override
-    protected void execute(CommandEvent event) {
-        Settings settings = bot.getSettings(event.getGuild());
-        TextChannel tchannel = event.getGuild().getTextChannelById(settings.getTextId());
-        if(tchannel!=null && !event.getTextChannel().equals(tchannel))
-        {
-            try {
-                event.getMessage().deleteMessage().queue();
-            } catch(PermissionException e){}
-            event.replyInDM(event.getClient().getError()+" You can only use that command in <#"+settings.getTextId()+">!");
-            return;
-        }
-        if(bePlaying
-                && (event.getGuild().getAudioManager().getSendingHandler()==null
-                || ((AudioHandler)event.getGuild().getAudioManager().getSendingHandler()).getCurrentTrack()==null))
-        {
-            event.reply(event.getClient().getError()+" There must be music playing to use that!");
-            return;
-        }
-        if(beListening)
-        {
-            VoiceChannel current = event.getGuild().getSelfMember().getVoiceState().getChannel();
-            if(current==null)
-                current = event.getGuild().getVoiceChannelById(settings.getVoiceId());
-            GuildVoiceState userState = event.getMember().getVoiceState();
-            if(!userState.inVoiceChannel() || userState.isDeafened() || (current!=null && !userState.getChannel().equals(current)))
-            {
-                event.reply(event.getClient().getError()
-                        +" You must be listening in "+(current==null ? "a voice channel" : "**"+current.getName()+"**")
-                        +" to use that!");
-                return;
-            }
-            if(!event.getGuild().getSelfMember().getVoiceState().inVoiceChannel())
-                event.getGuild().getAudioManager().openAudioConnection(userState.getChannel());
-        }
-        doCommand(event);
-    }
-    
-    public abstract void doCommand(CommandEvent event);
-}
+/*
+ * Copyright 2018 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands;
+
+import com.jagrosh.jdautilities.command.Command;
+import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jmusicbot.Bot;
+import com.jagrosh.jmusicbot.settings.Settings;
+import com.jagrosh.jmusicbot.audio.AudioHandler;
+import net.dv8tion.jda.core.entities.GuildVoiceState;
+import net.dv8tion.jda.core.entities.TextChannel;
+import net.dv8tion.jda.core.entities.VoiceChannel;
+import net.dv8tion.jda.core.exceptions.PermissionException;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public abstract class MusicCommand extends Command 
+{
+    protected final Bot bot;
+    protected boolean bePlaying;
+    protected boolean beListening;
+    
+    public MusicCommand(Bot bot)
+    {
+        this.bot = bot;
+        this.guildOnly = true;
+        this.category = new Category("Music");
+    }
+    
+    @Override
+    protected void execute(CommandEvent event) 
+    {
+        Settings settings = event.getClient().getSettingsFor(event.getGuild());
+        TextChannel tchannel = settings.getTextChannel(event.getGuild());
+        if(tchannel!=null && !event.getTextChannel().equals(tchannel))
+        {
+            try 
+            {
+                event.getMessage().delete().queue();
+            } catch(PermissionException e){}
+            event.replyInDm(event.getClient().getError()+" You can only use that command in "+tchannel.getAsMention()+"!");
+            return;
+        }
+        bot.getPlayerManager().setUpHandler(event.getGuild()); // no point constantly checking for this later
+        if(bePlaying && !((AudioHandler)event.getGuild().getAudioManager().getSendingHandler()).isMusicPlaying(event.getJDA()))
+        {
+            event.reply(event.getClient().getError()+" There must be music playing to use that!");
+            return;
+        }
+        if(beListening)
+        {
+            VoiceChannel current = event.getGuild().getSelfMember().getVoiceState().getChannel();
+            if(current==null)
+                current = settings.getVoiceChannel(event.getGuild());
+            GuildVoiceState userState = event.getMember().getVoiceState();
+            if(!userState.inVoiceChannel() || userState.isDeafened() || (current!=null && !userState.getChannel().equals(current)))
+            {
+                event.replyError("You must be listening in "+(current==null ? "a voice channel" : "**"+current.getName()+"**")+" to use that!");
+                return;
+            }
+            if(!event.getGuild().getSelfMember().getVoiceState().inVoiceChannel())
+            {
+                try 
+                {
+                    event.getGuild().getAudioManager().openAudioConnection(userState.getChannel());
+                }
+                catch(PermissionException ex) 
+                {
+                    event.reply(event.getClient().getError()+" I am unable to connect to **"+userState.getChannel().getName()+"**!");
+                    return;
+                }
+            }
+        }
+        
+        doCommand(event);
+    }
+    
+    public abstract void doCommand(CommandEvent event);
+}

src/main/java/com/jagrosh/jmusicbot/commands/OwnerCommand.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright 2018 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands;
+
+import com.jagrosh.jdautilities.command.Command;
+
+/**
+ *
+ * @author John Grosh (john.a.grosh@gmail.com)
+ */
+public abstract class OwnerCommand extends Command
+{
+    public OwnerCommand()
+    {
+        this.category = new Category("Owner");
+        this.ownerCommand = true;
+    }
+}

src/main/java/com/jagrosh/jmusicbot/commands/admin/SetdjCmd.java

@@ -1,69 +1,68 @@
-/*
- * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot.commands;
-
-import java.util.List;
-import me.jagrosh.jdautilities.commandclient.Command;
-import me.jagrosh.jdautilities.commandclient.CommandEvent;
-import me.jagrosh.jmusicbot.Bot;
-import me.jagrosh.jmusicbot.utils.FinderUtil;
-import me.jagrosh.jmusicbot.utils.FormatUtil;
-import net.dv8tion.jda.core.entities.Role;
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public class SetdjCmd extends Command {
-
-    private final Bot bot;
-    public SetdjCmd(Bot bot)
-    {
-        this.bot = bot;
-        this.name = "setdj";
-        this.help = "sets the DJ role for certain music commands";
-        this.arguments = "<rolename|NONE>";
-        this.guildOnly = true;
-        this.category = bot.ADMIN;
-    }
-    
-    @Override
-    protected void execute(CommandEvent event) {
-        if(event.getArgs().isEmpty())
-        {
-            event.reply(event.getClient().getError()+" Please include a role name or NONE");
-        }
-        else if(event.getArgs().equalsIgnoreCase("none"))
-        {
-            bot.clearTextChannel(event.getGuild());
-            event.reply(event.getClient().getSuccess()+" DJ role cleared; Only Admins can use the DJ commands.");
-        }
-        else
-        {
-            List<Role> list = FinderUtil.findRole(event.getArgs(), event.getGuild());
-            if(list.isEmpty())
-                event.reply(event.getClient().getWarning()+" No Roles found matching \""+event.getArgs()+"\"");
-            else if (list.size()>1)
-                event.reply(event.getClient().getWarning()+FormatUtil.listOfRoles(list, event.getArgs()));
-            else
-            {
-                bot.setRole(list.get(0));
-                event.reply(event.getClient().getSuccess()+" DJ commands can now be used by users with the **"+list.get(0).getName()+"** role.");
-            }
-        }
-    }
-    
-}
+/*
+ * Copyright 2018 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands.admin;
+
+import java.util.List;
+import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jdautilities.commons.utils.FinderUtil;
+import com.jagrosh.jmusicbot.commands.AdminCommand;
+import com.jagrosh.jmusicbot.settings.Settings;
+import com.jagrosh.jmusicbot.utils.FormatUtil;
+import net.dv8tion.jda.core.entities.Role;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class SetdjCmd extends AdminCommand
+{
+    public SetdjCmd()
+    {
+        this.name = "setdj";
+        this.help = "sets the DJ role for certain music commands";
+        this.arguments = "<rolename|NONE>";
+    }
+    
+    @Override
+    protected void execute(CommandEvent event) 
+    {
+        if(event.getArgs().isEmpty())
+        {
+            event.reply(event.getClient().getError()+" Please include a role name or NONE");
+            return;
+        }
+        Settings s = event.getClient().getSettingsFor(event.getGuild());
+        if(event.getArgs().equalsIgnoreCase("none"))
+        {
+            s.setDJRole(null);
+            event.reply(event.getClient().getSuccess()+" DJ role cleared; Only Admins can use the DJ commands.");
+        }
+        else
+        {
+            List<Role> list = FinderUtil.findRoles(event.getArgs(), event.getGuild());
+            if(list.isEmpty())
+                event.reply(event.getClient().getWarning()+" No Roles found matching \""+event.getArgs()+"\"");
+            else if (list.size()>1)
+                event.reply(event.getClient().getWarning()+FormatUtil.listOfRoles(list, event.getArgs()));
+            else
+            {
+                s.setDJRole(list.get(0));
+                event.reply(event.getClient().getSuccess()+" DJ commands can now be used by users with the **"+list.get(0).getName()+"** role.");
+            }
+        }
+    }
+    
+}

src/main/java/com/jagrosh/jmusicbot/commands/admin/SettcCmd.java

@@ -1,69 +1,68 @@
-/*
- * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot.commands;
-
-import java.util.List;
-import me.jagrosh.jdautilities.commandclient.Command;
-import me.jagrosh.jdautilities.commandclient.CommandEvent;
-import me.jagrosh.jmusicbot.Bot;
-import me.jagrosh.jmusicbot.utils.FinderUtil;
-import me.jagrosh.jmusicbot.utils.FormatUtil;
-import net.dv8tion.jda.core.entities.TextChannel;
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public class SettcCmd extends Command {
-
-    private final Bot bot;
-    public SettcCmd(Bot bot)
-    {
-        this.bot = bot;
-        this.name = "settc";
-        this.help = "sets the text channel for music commands";
-        this.arguments = "<channel|NONE>";
-        this.guildOnly = true;
-        this.category = bot.ADMIN;
-    }
-    
-    @Override
-    protected void execute(CommandEvent event) {
-        if(event.getArgs().isEmpty())
-        {
-            event.reply(event.getClient().getError()+" Please include a text channel or NONE");
-        }
-        else if(event.getArgs().equalsIgnoreCase("none"))
-        {
-            bot.clearTextChannel(event.getGuild());
-            event.reply(event.getClient().getSuccess()+" Music commands can now be used in any channel");
-        }
-        else
-        {
-            List<TextChannel> list = FinderUtil.findTextChannel(event.getArgs(), event.getGuild());
-            if(list.isEmpty())
-                event.reply(event.getClient().getWarning()+" No Text Channels found matching \""+event.getArgs()+"\"");
-            else if (list.size()>1)
-                event.reply(event.getClient().getWarning()+FormatUtil.listOfTChannels(list, event.getArgs()));
-            else
-            {
-                bot.setTextChannel(list.get(0));
-                event.reply(event.getClient().getSuccess()+" Music commands can now only be used in <#"+list.get(0).getId()+">");
-            }
-        }
-    }
-    
-}
+/*
+ * Copyright 2018 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands.admin;
+
+import java.util.List;
+import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jdautilities.commons.utils.FinderUtil;
+import com.jagrosh.jmusicbot.commands.AdminCommand;
+import com.jagrosh.jmusicbot.settings.Settings;
+import com.jagrosh.jmusicbot.utils.FormatUtil;
+import net.dv8tion.jda.core.entities.TextChannel;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class SettcCmd extends AdminCommand 
+{
+    public SettcCmd()
+    {
+        this.name = "settc";
+        this.help = "sets the text channel for music commands";
+        this.arguments = "<channel|NONE>";
+    }
+    
+    @Override
+    protected void execute(CommandEvent event) 
+    {
+        if(event.getArgs().isEmpty())
+        {
+            event.reply(event.getClient().getError()+" Please include a text channel or NONE");
+            return;
+        }
+        Settings s = event.getClient().getSettingsFor(event.getGuild());
+        if(event.getArgs().equalsIgnoreCase("none"))
+        {
+            s.setTextChannel(null);
+            event.reply(event.getClient().getSuccess()+" Music commands can now be used in any channel");
+        }
+        else
+        {
+            List<TextChannel> list = FinderUtil.findTextChannels(event.getArgs(), event.getGuild());
+            if(list.isEmpty())
+                event.reply(event.getClient().getWarning()+" No Text Channels found matching \""+event.getArgs()+"\"");
+            else if (list.size()>1)
+                event.reply(event.getClient().getWarning()+FormatUtil.listOfTChannels(list, event.getArgs()));
+            else
+            {
+                s.setTextChannel(list.get(0));
+                event.reply(event.getClient().getSuccess()+" Music commands can now only be used in <#"+list.get(0).getId()+">");
+            }
+        }
+    }
+    
+}

src/main/java/com/jagrosh/jmusicbot/commands/admin/SetvcCmd.java

@@ -1,69 +1,67 @@
-/*
- * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot.commands;
-
-import java.util.List;
-import me.jagrosh.jdautilities.commandclient.Command;
-import me.jagrosh.jdautilities.commandclient.CommandEvent;
-import me.jagrosh.jmusicbot.Bot;
-import me.jagrosh.jmusicbot.utils.FinderUtil;
-import me.jagrosh.jmusicbot.utils.FormatUtil;
-import net.dv8tion.jda.core.entities.VoiceChannel;
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public class SetvcCmd extends Command {
-
-    private final Bot bot;
-    public SetvcCmd(Bot bot)
-    {
-        this.bot = bot;
-        this.name = "setvc";
-        this.help = "sets the voice channel for playing music";
-        this.arguments = "<channel|NONE>";
-        this.guildOnly = true;
-        this.category = bot.ADMIN;
-    }
-    
-    @Override
-    protected void execute(CommandEvent event) {
-        if(event.getArgs().isEmpty())
-        {
-            event.reply(event.getClient().getError()+" Please include a voice channel or NONE");
-        }
-        else if(event.getArgs().equalsIgnoreCase("none"))
-        {
-            bot.clearVoiceChannel(event.getGuild());
-            event.reply(event.getClient().getSuccess()+" Music can now be played in any channel");
-        }
-        else
-        {
-            List<VoiceChannel> list = FinderUtil.findVoiceChannel(event.getArgs(), event.getGuild());
-            if(list.isEmpty())
-                event.reply(event.getClient().getWarning()+" No Voice Channels found matching \""+event.getArgs()+"\"");
-            else if (list.size()>1)
-                event.reply(event.getClient().getWarning()+FormatUtil.listOfVChannels(list, event.getArgs()));
-            else
-            {
-                bot.setVoiceChannel(list.get(0));
-                event.reply(event.getClient().getSuccess()+" Music can now only be played in **"+list.get(0).getName()+"**");
-            }
-        }
-    }
-    
-}
+/*
+ * Copyright 2018 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands.admin;
+
+import java.util.List;
+import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jdautilities.commons.utils.FinderUtil;
+import com.jagrosh.jmusicbot.commands.AdminCommand;
+import com.jagrosh.jmusicbot.settings.Settings;
+import com.jagrosh.jmusicbot.utils.FormatUtil;
+import net.dv8tion.jda.core.entities.VoiceChannel;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class SetvcCmd extends AdminCommand 
+{
+    public SetvcCmd()
+    {
+        this.name = "setvc";
+        this.help = "sets the voice channel for playing music";
+        this.arguments = "<channel|NONE>";
+    }
+    
+    @Override
+    protected void execute(CommandEvent event) 
+    {
+        if(event.getArgs().isEmpty())
+        {
+            event.reply(event.getClient().getError()+" Please include a voice channel or NONE");
+            return;
+        }
+        Settings s = event.getClient().getSettingsFor(event.getGuild());
+        if(event.getArgs().equalsIgnoreCase("none"))
+        {
+            s.setVoiceChannel(null);
+            event.reply(event.getClient().getSuccess()+" Music can now be played in any channel");
+        }
+        else
+        {
+            List<VoiceChannel> list = FinderUtil.findVoiceChannels(event.getArgs(), event.getGuild());
+            if(list.isEmpty())
+                event.reply(event.getClient().getWarning()+" No Voice Channels found matching \""+event.getArgs()+"\"");
+            else if (list.size()>1)
+                event.reply(event.getClient().getWarning()+FormatUtil.listOfVChannels(list, event.getArgs()));
+            else
+            {
+                s.setVoiceChannel(list.get(0));
+                event.reply(event.getClient().getSuccess()+" Music can now only be played in **"+list.get(0).getName()+"**");
+            }
+        }
+    }
+}

src/main/java/com/jagrosh/jmusicbot/commands/dj/ForceskipCmd.java

@@ -1,48 +1,48 @@
-/*
- * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot.commands;
-
-import me.jagrosh.jdautilities.commandclient.CommandEvent;
-import me.jagrosh.jmusicbot.Bot;
-import me.jagrosh.jmusicbot.audio.AudioHandler;
-import net.dv8tion.jda.core.entities.User;
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public class ForceskipCmd extends MusicCommand {
-
-    public ForceskipCmd(Bot bot)
-    {
-        super(bot);
-        this.name = "forceskip";
-        this.help = "skips the current song";
-        this.aliases = new String[]{"modskip"};
-        this.bePlaying = true;
-        this.category = bot.DJ;
-    }
-
-    @Override
-    public void doCommand(CommandEvent event) {
-        AudioHandler handler = (AudioHandler)event.getGuild().getAudioManager().getSendingHandler();
-        User u = event.getJDA().getUserById(handler.getCurrentTrack().getIdentifier());
-        event.reply(event.getClient().getSuccess()+" Skipped **"+handler.getCurrentTrack().getTrack().getInfo().title
-                +"** (requested by "+(u==null ? "someone" : "**"+u.getName()+"**")+")");
-        handler.getPlayer().stopTrack();
-    }
-    
-}
+/*
+ * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands.dj;
+
+import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jmusicbot.Bot;
+import com.jagrosh.jmusicbot.audio.AudioHandler;
+import com.jagrosh.jmusicbot.commands.DJCommand;
+import net.dv8tion.jda.core.entities.User;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class ForceskipCmd extends DJCommand 
+{
+    public ForceskipCmd(Bot bot)
+    {
+        super(bot);
+        this.name = "forceskip";
+        this.help = "skips the current song";
+        this.aliases = new String[]{"modskip"};
+        this.bePlaying = true;
+    }
+
+    @Override
+    public void doCommand(CommandEvent event) 
+    {
+        AudioHandler handler = (AudioHandler)event.getGuild().getAudioManager().getSendingHandler();
+        User u = event.getJDA().getUserById(handler.getRequester());
+        event.reply(event.getClient().getSuccess()+" Skipped **"+handler.getPlayer().getPlayingTrack().getInfo().title
+                +"** (requested by "+(u==null ? "someone" : "**"+u.getName()+"**")+")");
+        handler.getPlayer().stopTrack();
+    }
+}

src/main/java/com/jagrosh/jmusicbot/commands/dj/PauseCmd.java

@@ -0,0 +1,49 @@
+/*
+ * Copyright 2018 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands.dj;
+
+import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jmusicbot.Bot;
+import com.jagrosh.jmusicbot.audio.AudioHandler;
+import com.jagrosh.jmusicbot.commands.DJCommand;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class PauseCmd extends DJCommand 
+{
+    public PauseCmd(Bot bot)
+    {
+        super(bot);
+        this.name = "pause";
+        this.help = "pauses the current song";
+        this.bePlaying = true;
+    }
+
+    @Override
+    public void doCommand(CommandEvent event) 
+    {
+        AudioHandler handler = (AudioHandler)event.getGuild().getAudioManager().getSendingHandler();
+        if(handler.getPlayer().isPaused())
+        {
+            event.replyWarning("The player is already paused! Use `"+event.getClient().getPrefix()+"play` to unpause!");
+            return;
+        }
+        handler.getPlayer().setPaused(true);
+        event.replySuccess("Paused **"+handler.getPlayer().getPlayingTrack().getInfo().title+"**. Type `"+event.getClient().getPrefix()+"play` to unpause!");
+    }
+}

src/main/java/com/jagrosh/jmusicbot/commands/dj/PlaynextCmd.java

@@ -0,0 +1,135 @@
+/*
+ * Copyright 2018 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands.dj;
+
+import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jdautilities.menu.ButtonMenu;
+import com.jagrosh.jmusicbot.Bot;
+import com.jagrosh.jmusicbot.audio.AudioHandler;
+import com.jagrosh.jmusicbot.audio.QueuedTrack;
+import com.jagrosh.jmusicbot.commands.DJCommand;
+import com.jagrosh.jmusicbot.commands.music.PlayCmd;
+import static com.jagrosh.jmusicbot.commands.music.PlayCmd.CANCEL;
+import static com.jagrosh.jmusicbot.commands.music.PlayCmd.LOAD;
+import com.jagrosh.jmusicbot.utils.FormatUtil;
+import com.sedmelluq.discord.lavaplayer.player.AudioLoadResultHandler;
+import com.sedmelluq.discord.lavaplayer.tools.FriendlyException;
+import com.sedmelluq.discord.lavaplayer.track.AudioPlaylist;
+import com.sedmelluq.discord.lavaplayer.track.AudioTrack;
+import java.util.concurrent.TimeUnit;
+import net.dv8tion.jda.core.Permission;
+import net.dv8tion.jda.core.entities.Message;
+import net.dv8tion.jda.core.exceptions.PermissionException;
+
+/**
+ *
+ * @author John Grosh (john.a.grosh@gmail.com)
+ */
+public class PlaynextCmd extends DJCommand
+{
+    private final String loadingEmoji;
+    
+    public PlaynextCmd(Bot bot, String loadingEmoji)
+    {
+        super(bot);
+        this.loadingEmoji = loadingEmoji;
+        this.name = "playnext";
+        this.arguments = "<title|URL>";
+        this.help = "plays a single song next";
+        this.beListening = true;
+        this.bePlaying = false;
+    }
+    
+    @Override
+    public void doCommand(CommandEvent event)
+    {
+        if(event.getArgs().isEmpty() && event.getMessage().getAttachments().isEmpty())
+        {
+            event.replyWarning("Please include a song title or URL!");
+            return;
+        }
+        String args = event.getArgs().startsWith("<") && event.getArgs().endsWith(">") 
+                ? event.getArgs().substring(1,event.getArgs().length()-1) 
+                : event.getArgs().isEmpty() ? event.getMessage().getAttachments().get(0).getUrl() : event.getArgs();
+        event.reply(loadingEmoji+" Loading... `["+args+"]`", m -> bot.getPlayerManager().loadItemOrdered(event.getGuild(), args, new ResultHandler(m,event,false)));
+    }
+    
+    private class ResultHandler implements AudioLoadResultHandler
+    {
+        final Message m;
+        final CommandEvent event;
+        final boolean ytsearch;
+        
+        private ResultHandler(Message m, CommandEvent event, boolean ytsearch)
+        {
+            this.m = m;
+            this.event = event;
+            this.ytsearch = ytsearch;
+        }
+        
+        private void loadSingle(AudioTrack track)
+        {
+            if(bot.getConfig().isTooLong(track))
+            {
+                m.editMessage(FormatUtil.filter(event.getClient().getWarning()+" This track (**"+track.getInfo().title+"**) is longer than the allowed maximum: `"
+                        +FormatUtil.formatTime(track.getDuration())+"` > `"+FormatUtil.formatTime(bot.getConfig().getMaxSeconds()*1000)+"`")).queue();
+                return;
+            }
+            AudioHandler handler = (AudioHandler)event.getGuild().getAudioManager().getSendingHandler();
+            int pos = handler.addTrackToFront(new QueuedTrack(track, event.getAuthor()))+1;
+            String addMsg = FormatUtil.filter(event.getClient().getSuccess()+" Added **"+track.getInfo().title
+                    +"** (`"+FormatUtil.formatTime(track.getDuration())+"`) "+(pos==0?"to begin playing":" to the queue at position "+pos));
+            m.editMessage(addMsg).queue();
+        }
+        
+        @Override
+        public void trackLoaded(AudioTrack track)
+        {
+            loadSingle(track);
+        }
+
+        @Override
+        public void playlistLoaded(AudioPlaylist playlist)
+        {
+            AudioTrack single;
+            if(playlist.getTracks().size()==1 || playlist.isSearchResult())
+                single = playlist.getSelectedTrack()==null ? playlist.getTracks().get(0) : playlist.getSelectedTrack();
+            else if (playlist.getSelectedTrack()!=null)
+                single = playlist.getSelectedTrack();
+            else
+                single = playlist.getTracks().get(0);
+            loadSingle(single);
+        }
+
+        @Override
+        public void noMatches()
+        {
+            if(ytsearch)
+                m.editMessage(FormatUtil.filter(event.getClient().getWarning()+" No results found for `"+event.getArgs()+"`.")).queue();
+            else
+                bot.getPlayerManager().loadItemOrdered(event.getGuild(), "ytsearch:"+event.getArgs(), new ResultHandler(m,event,true));
+        }
+
+        @Override
+        public void loadFailed(FriendlyException throwable)
+        {
+            if(throwable.severity==FriendlyException.Severity.COMMON)
+                m.editMessage(event.getClient().getError()+" Error loading: "+throwable.getMessage()).queue();
+            else
+                m.editMessage(event.getClient().getError()+" Error loading track.").queue();
+        }
+    }
+}

src/main/java/com/jagrosh/jmusicbot/commands/dj/RepeatCmd.java

@@ -0,0 +1,67 @@
+/*
+ * Copyright 2018 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands.dj;
+
+import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jmusicbot.Bot;
+import com.jagrosh.jmusicbot.commands.DJCommand;
+import com.jagrosh.jmusicbot.settings.Settings;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class RepeatCmd extends DJCommand
+{
+    public RepeatCmd(Bot bot)
+    {
+        super(bot);
+        this.name = "repeat";
+        this.help = "re-adds music to the queue when finished";
+        this.arguments = "[on|off]";
+        this.guildOnly = true;
+    }
+    
+    // override musiccommand's execute because we don't actually care where this is used
+    @Override
+    protected void execute(CommandEvent event) 
+    {
+        boolean value;
+        Settings settings = event.getClient().getSettingsFor(event.getGuild());
+        if(event.getArgs().isEmpty())
+        {
+            value = !settings.getRepeatMode();
+        }
+        else if(event.getArgs().equalsIgnoreCase("true") || event.getArgs().equalsIgnoreCase("on"))
+        {
+            value = true;
+        }
+        else if(event.getArgs().equalsIgnoreCase("false") || event.getArgs().equalsIgnoreCase("off"))
+        {
+            value = false;
+        }
+        else
+        {
+            event.replyError("Valid options are `on` or `off` (or leave empty to toggle)");
+            return;
+        }
+        settings.setRepeatMode(value);
+        event.replySuccess("Repeat mode is now `"+(value ? "ON" : "OFF")+"`");
+    }
+
+    @Override
+    public void doCommand(CommandEvent event) {}
+}

src/main/java/com/jagrosh/jmusicbot/commands/dj/SkiptoCmd.java

@@ -1,63 +1,62 @@
-/*
- * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot.commands;
-
-import me.jagrosh.jdautilities.commandclient.CommandEvent;
-import me.jagrosh.jmusicbot.Bot;
-import me.jagrosh.jmusicbot.audio.AudioHandler;
-import net.dv8tion.jda.core.entities.User;
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public class SkiptoCmd extends MusicCommand {
-
-    public SkiptoCmd(Bot bot)
-    {
-        super(bot);
-        this.name = "skipto";
-        this.help = "skips to the current song";
-        this.arguments = "<position>";
-        this.aliases = new String[]{"jumpto"};
-        this.bePlaying = true;
-        this.category = bot.DJ;
-    }
-
-    @Override
-    public void doCommand(CommandEvent event) {
-        int index = 0;
-        try
-        {
-            index = Integer.parseInt(event.getArgs());
-        }
-        catch(NumberFormatException e)
-        {
-            event.reply(event.getClient().getError()+" `"+event.getArgs()+"` is not a valid integer!");
-            return;
-        }
-        AudioHandler handler = (AudioHandler)event.getGuild().getAudioManager().getSendingHandler();
-        if(index<1 || index>handler.getQueue().size())
-        {
-            event.reply(event.getClient().getError()+" Position must be a valid integer between 1 and "+handler.getQueue().size()+"!");
-            return;
-        }
-        handler.getQueue().skip(index-1);
-        event.reply(event.getClient().getSuccess()+" Skipped to **"+handler.getQueue().get(0).getTrack().getInfo().title+"**");
-        handler.getPlayer().stopTrack();
-    }
-    
-}
+/*
+ * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands.dj;
+
+import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jmusicbot.Bot;
+import com.jagrosh.jmusicbot.audio.AudioHandler;
+import com.jagrosh.jmusicbot.commands.DJCommand;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class SkiptoCmd extends DJCommand 
+{
+    public SkiptoCmd(Bot bot)
+    {
+        super(bot);
+        this.name = "skipto";
+        this.help = "skips to the specified song";
+        this.arguments = "<position>";
+        this.aliases = new String[]{"jumpto"};
+        this.bePlaying = true;
+    }
+
+    @Override
+    public void doCommand(CommandEvent event) 
+    {
+        int index = 0;
+        try
+        {
+            index = Integer.parseInt(event.getArgs());
+        }
+        catch(NumberFormatException e)
+        {
+            event.reply(event.getClient().getError()+" `"+event.getArgs()+"` is not a valid integer!");
+            return;
+        }
+        AudioHandler handler = (AudioHandler)event.getGuild().getAudioManager().getSendingHandler();
+        if(index<1 || index>handler.getQueue().size())
+        {
+            event.reply(event.getClient().getError()+" Position must be a valid integer between 1 and "+handler.getQueue().size()+"!");
+            return;
+        }
+        handler.getQueue().skip(index-1);
+        event.reply(event.getClient().getSuccess()+" Skipped to **"+handler.getQueue().get(0).getTrack().getInfo().title+"**");
+        handler.getPlayer().stopTrack();
+    }
+}

src/main/java/com/jagrosh/jmusicbot/commands/dj/StopCmd.java

@@ -1,46 +1,45 @@
-/*
- * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot.commands;
-
-import me.jagrosh.jdautilities.commandclient.CommandEvent;
-import me.jagrosh.jmusicbot.Bot;
-import me.jagrosh.jmusicbot.audio.AudioHandler;
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public class StopCmd extends MusicCommand {
-
-    public StopCmd(Bot bot)
-    {
-        super(bot);
-        this.name = "stop";
-        this.help = "stops the current song and clears the queue";
-        this.bePlaying = true;
-        this.category = bot.DJ;
-    }
-
-    @Override
-    public void doCommand(CommandEvent event) {
-        AudioHandler handler = (AudioHandler)event.getGuild().getAudioManager().getSendingHandler();
-        handler.getQueue().clear();
-        handler.getPlayer().stopTrack();
-        event.getGuild().getAudioManager().closeAudioConnection();
-        event.reply(event.getClient().getSuccess()+" The player has stopped and the queue has been cleared.");
-    }
-    
-}
+/*
+ * Copyright 2018 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands.dj;
+
+import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jmusicbot.Bot;
+import com.jagrosh.jmusicbot.audio.AudioHandler;
+import com.jagrosh.jmusicbot.commands.DJCommand;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class StopCmd extends DJCommand 
+{
+    public StopCmd(Bot bot)
+    {
+        super(bot);
+        this.name = "stop";
+        this.help = "stops the current song and clears the queue";
+        this.bePlaying = false;
+    }
+
+    @Override
+    public void doCommand(CommandEvent event) 
+    {
+        AudioHandler handler = (AudioHandler)event.getGuild().getAudioManager().getSendingHandler();
+        handler.stopAndClear();
+        event.getGuild().getAudioManager().closeAudioConnection();
+        event.reply(event.getClient().getSuccess()+" The player has stopped and the queue has been cleared.");
+    }
+}

src/main/java/com/jagrosh/jmusicbot/commands/dj/VolumeCmd.java

@@ -1,64 +1,69 @@
-/*
- * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot.commands;
-
-import me.jagrosh.jdautilities.commandclient.CommandEvent;
-import me.jagrosh.jmusicbot.Bot;
-import me.jagrosh.jmusicbot.audio.AudioHandler;
-import me.jagrosh.jmusicbot.utils.FormatUtil;
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public class VolumeCmd extends MusicCommand {
-
-    public VolumeCmd(Bot bot)
-    {
-        super(bot);
-        this.name = "volume";
-        this.help = "sets or shows volume";
-        this.arguments = "[0-150]";
-        this.category = bot.DJ;
-    }
-
-    @Override
-    public void doCommand(CommandEvent event) {
-        AudioHandler handler = (AudioHandler)event.getGuild().getAudioManager().getSendingHandler();
-        int volume = handler==null ? 100 : handler.getPlayer().getVolume();
-        if(event.getArgs().isEmpty())
-        {
-            event.reply(FormatUtil.volumeIcon(volume)+" Current volume is `"+volume+"`");
-        }
-        else
-        {
-            int nvolume;
-            try{
-                nvolume = Integer.parseInt(event.getArgs());
-            }catch(NumberFormatException e){
-                nvolume = -1;
-            }
-            if(nvolume<0 || nvolume>150)
-                event.reply(event.getClient().getError()+" Volume must be a valid integer between 0 and 150!");
-            else
-            {
-                bot.setUpHandler(event).getPlayer().setVolume(nvolume);
-                event.reply(FormatUtil.volumeIcon(nvolume)+" Volume changed from `"+volume+"` to `"+nvolume+"`");
-            }
-        }
-    }
-    
-}
+/*
+ * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands.dj;
+
+import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jmusicbot.Bot;
+import com.jagrosh.jmusicbot.audio.AudioHandler;
+import com.jagrosh.jmusicbot.commands.DJCommand;
+import com.jagrosh.jmusicbot.settings.Settings;
+import com.jagrosh.jmusicbot.utils.FormatUtil;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class VolumeCmd extends DJCommand
+{
+    public VolumeCmd(Bot bot)
+    {
+        super(bot);
+        this.name = "volume";
+        this.aliases = new String[]{"vol"};
+        this.help = "sets or shows volume";
+        this.arguments = "[0-150]";
+    }
+
+    @Override
+    public void doCommand(CommandEvent event)
+    {
+        AudioHandler handler = (AudioHandler)event.getGuild().getAudioManager().getSendingHandler();
+        Settings settings = event.getClient().getSettingsFor(event.getGuild());
+        int volume = handler.getPlayer().getVolume();
+        if(event.getArgs().isEmpty())
+        {
+            event.reply(FormatUtil.volumeIcon(volume)+" Current volume is `"+volume+"`");
+        }
+        else
+        {
+            int nvolume;
+            try{
+                nvolume = Integer.parseInt(event.getArgs());
+            }catch(NumberFormatException e){
+                nvolume = -1;
+            }
+            if(nvolume<0 || nvolume>150)
+                event.reply(event.getClient().getError()+" Volume must be a valid integer between 0 and 150!");
+            else
+            {
+                handler.getPlayer().setVolume(nvolume);
+                settings.setVolume(nvolume);
+                event.reply(FormatUtil.volumeIcon(nvolume)+" Volume changed from `"+volume+"` to `"+nvolume+"`");
+            }
+        }
+    }
+    
+}

src/main/java/com/jagrosh/jmusicbot/commands/general/SettingsCmd.java

@@ -1,65 +1,67 @@
-/*
- * Copyright 2017 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot.commands;
-
-import me.jagrosh.jdautilities.commandclient.Command;
-import me.jagrosh.jdautilities.commandclient.CommandEvent;
-import me.jagrosh.jmusicbot.Bot;
-import me.jagrosh.jmusicbot.Settings;
-import net.dv8tion.jda.core.EmbedBuilder;
-import net.dv8tion.jda.core.MessageBuilder;
-import net.dv8tion.jda.core.entities.Role;
-import net.dv8tion.jda.core.entities.TextChannel;
-import net.dv8tion.jda.core.entities.VoiceChannel;
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public class SettingsCmd extends Command {
-
-    private final Bot bot;
-    public SettingsCmd(Bot bot)
-    {
-        this.bot = bot;
-        this.name = "settings";
-        this.help = "shows the bots settings";
-        this.aliases = new String[]{"status"};
-        this.guildOnly = true;
-    }
-    
-    @Override
-    protected void execute(CommandEvent event) {
-        Settings s = bot.getSettings(event.getGuild());
-        MessageBuilder builder = new MessageBuilder()
-                .append("\uD83C\uDFA7 **")
-                .append(event.getSelfUser().getName())
-                .append("** settings:");
-        TextChannel tchan = event.getGuild().getTextChannelById(s.getTextId());
-        VoiceChannel vchan = event.getGuild().getVoiceChannelById(s.getVoiceId());
-        Role role = event.getGuild().getRoleById(s.getRoleId());
-        EmbedBuilder ebuilder = new EmbedBuilder()
-                .setColor(event.getSelfMember().getColor())
-                .setDescription("Text Channel: "+(tchan==null ? "Any" : "**#"+tchan.getName()+"**")
-                        + "\nVoice Channel: "+(vchan==null ? "Any" : "**"+vchan.getName()+"**")
-                        + "\nDJ Role: "+(role==null ? "None" : "**"+role.getName()+"**"))
-                .setFooter(event.getJDA().getGuilds().size()+" servers | "
-                        +event.getJDA().getGuilds().stream().filter(g -> g.getSelfMember().getVoiceState().inVoiceChannel()).count()
-                        +" audio connections", null);
-        event.getChannel().sendMessage(builder.setEmbed(ebuilder.build()).build()).queue();
-    }
-    
-}
+/*
+ * Copyright 2017 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands.general;
+
+import com.jagrosh.jdautilities.command.Command;
+import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jmusicbot.Bot;
+import com.jagrosh.jmusicbot.settings.Settings;
+import net.dv8tion.jda.core.EmbedBuilder;
+import net.dv8tion.jda.core.MessageBuilder;
+import net.dv8tion.jda.core.entities.Role;
+import net.dv8tion.jda.core.entities.TextChannel;
+import net.dv8tion.jda.core.entities.VoiceChannel;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class SettingsCmd extends Command 
+{
+    public SettingsCmd()
+    {
+        this.name = "settings";
+        this.help = "shows the bots settings";
+        this.aliases = new String[]{"status"};
+        this.guildOnly = true;
+    }
+    
+    @Override
+    protected void execute(CommandEvent event) 
+    {
+        Settings s = event.getClient().getSettingsFor(event.getGuild());
+        MessageBuilder builder = new MessageBuilder()
+                .append("\uD83C\uDFA7 **")
+                .append(event.getSelfUser().getName())
+                .append("** settings:");
+        TextChannel tchan = s.getTextChannel(event.getGuild());
+        VoiceChannel vchan = s.getVoiceChannel(event.getGuild());
+        Role role = s.getRole(event.getGuild());
+        EmbedBuilder ebuilder = new EmbedBuilder()
+                .setColor(event.getSelfMember().getColor())
+                .setDescription("Text Channel: "+(tchan==null ? "Any" : "**#"+tchan.getName()+"**")
+                        + "\nVoice Channel: "+(vchan==null ? "Any" : "**"+vchan.getName()+"**")
+                        + "\nDJ Role: "+(role==null ? "None" : "**"+role.getName()+"**")
+                        + "\nRepeat Mode: **"+(s.getRepeatMode() ? "On" : "Off")+"**"
+                        + "\nDefault Playlist: "+(s.getDefaultPlaylist()==null ? "None" : "**"+s.getDefaultPlaylist()+"**")
+                        )
+                .setFooter(event.getJDA().getGuilds().size()+" servers | "
+                        +event.getJDA().getGuilds().stream().filter(g -> g.getSelfMember().getVoiceState().inVoiceChannel()).count()
+                        +" audio connections", null);
+        event.getChannel().sendMessage(builder.setEmbed(ebuilder.build()).build()).queue();
+    }
+    
+}

src/main/java/com/jagrosh/jmusicbot/commands/music/NowplayingCmd.java

@@ -0,0 +1,55 @@
+/*
+ * Copyright 2018 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands.music;
+
+import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jmusicbot.Bot;
+import com.jagrosh.jmusicbot.audio.AudioHandler;
+import com.jagrosh.jmusicbot.commands.MusicCommand;
+import net.dv8tion.jda.core.Permission;
+import net.dv8tion.jda.core.entities.Message;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class NowplayingCmd extends MusicCommand 
+{
+    public NowplayingCmd(Bot bot)
+    {
+        super(bot);
+        this.name = "nowplaying";
+        this.help = "shows the song that is currently playing";
+        this.aliases = new String[]{"np","current"};
+        this.botPermissions = new Permission[]{Permission.MESSAGE_EMBED_LINKS};
+    }
+
+    @Override
+    public void doCommand(CommandEvent event) 
+    {
+        AudioHandler handler = (AudioHandler)event.getGuild().getAudioManager().getSendingHandler();
+        Message m = handler.getNowPlaying(event.getJDA());
+        if(m==null)
+        {
+            event.reply(handler.getNoMusicPlaying(event.getJDA()));
+            bot.getNowplayingHandler().clearLastNPMessage(event.getGuild());
+        }
+        else
+        {
+            event.reply(m, msg -> bot.getNowplayingHandler().setLastNPMessage(msg));
+        }
+    }
+}

src/main/java/com/jagrosh/jmusicbot/commands/music/PlayCmd.java

@@ -0,0 +1,263 @@
+/*
+ * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands.music;
+
+import com.sedmelluq.discord.lavaplayer.player.AudioLoadResultHandler;
+import com.sedmelluq.discord.lavaplayer.tools.FriendlyException;
+import com.sedmelluq.discord.lavaplayer.tools.FriendlyException.Severity;
+import com.sedmelluq.discord.lavaplayer.track.AudioPlaylist;
+import com.sedmelluq.discord.lavaplayer.track.AudioTrack;
+import com.jagrosh.jdautilities.command.Command;
+import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jdautilities.menu.ButtonMenu;
+import com.jagrosh.jmusicbot.Bot;
+import com.jagrosh.jmusicbot.audio.AudioHandler;
+import com.jagrosh.jmusicbot.audio.QueuedTrack;
+import com.jagrosh.jmusicbot.commands.MusicCommand;
+import com.jagrosh.jmusicbot.playlist.PlaylistLoader.Playlist;
+import com.jagrosh.jmusicbot.settings.Settings;
+import com.jagrosh.jmusicbot.utils.FormatUtil;
+import java.util.concurrent.TimeUnit;
+import net.dv8tion.jda.core.Permission;
+import net.dv8tion.jda.core.entities.Message;
+import net.dv8tion.jda.core.entities.Role;
+import net.dv8tion.jda.core.exceptions.PermissionException;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class PlayCmd extends MusicCommand
+{
+    public final static String LOAD = "\uD83D\uDCE5";
+    public final static String CANCEL = "\uD83D\uDEAB";
+    
+    private final String loadingEmoji;
+    
+    public PlayCmd(Bot bot, String loadingEmoji)
+    {
+        super(bot);
+        this.loadingEmoji = loadingEmoji;
+        this.name = "play";
+        this.arguments = "<title|URL|subcommand>";
+        this.help = "plays the provided song";
+        this.beListening = true;
+        this.bePlaying = false;
+        this.children = new Command[]{new PlaylistCmd(bot)};
+    }
+
+    @Override
+    public void doCommand(CommandEvent event) 
+    {
+        if(event.getArgs().isEmpty() && event.getMessage().getAttachments().isEmpty())
+        {
+            AudioHandler handler = (AudioHandler)event.getGuild().getAudioManager().getSendingHandler();
+            if(handler.getPlayer().getPlayingTrack()!=null && handler.getPlayer().isPaused())
+            {
+                boolean isDJ = event.getMember().hasPermission(Permission.MANAGE_SERVER);
+                if(!isDJ)
+                    isDJ = event.isOwner();
+                Settings settings = event.getClient().getSettingsFor(event.getGuild());
+                Role dj = settings.getRole(event.getGuild());
+                if(!isDJ && dj!=null)
+                    isDJ = event.getMember().getRoles().contains(dj);
+                if(!isDJ)
+                    event.replyError("Only DJs can unpause the player!");
+                else
+                {
+                    handler.getPlayer().setPaused(false);
+                    event.replySuccess("Resumed **"+handler.getPlayer().getPlayingTrack().getInfo().title+"**.");
+                }
+                return;
+            }
+            StringBuilder builder = new StringBuilder(event.getClient().getWarning()+" Play Commands:\n");
+            builder.append("\n`").append(event.getClient().getPrefix()).append(name).append(" <song title>` - plays the first result from Youtube");
+            builder.append("\n`").append(event.getClient().getPrefix()).append(name).append(" <URL>` - plays the provided song, playlist, or stream");
+            for(Command cmd: children)
+                builder.append("\n`").append(event.getClient().getPrefix()).append(name).append(" ").append(cmd.getName()).append(" ").append(cmd.getArguments()).append("` - ").append(cmd.getHelp());
+            event.reply(builder.toString());
+            return;
+        }
+        String args = event.getArgs().startsWith("<") && event.getArgs().endsWith(">") 
+                ? event.getArgs().substring(1,event.getArgs().length()-1) 
+                : event.getArgs().isEmpty() ? event.getMessage().getAttachments().get(0).getUrl() : event.getArgs();
+        event.reply(loadingEmoji+" Loading... `["+args+"]`", m -> bot.getPlayerManager().loadItemOrdered(event.getGuild(), args, new ResultHandler(m,event,false)));
+    }
+    
+    private class ResultHandler implements AudioLoadResultHandler
+    {
+        final Message m;
+        final CommandEvent event;
+        final boolean ytsearch;
+        
+        private ResultHandler(Message m, CommandEvent event, boolean ytsearch)
+        {
+            this.m = m;
+            this.event = event;
+            this.ytsearch = ytsearch;
+        }
+        
+        private void loadSingle(AudioTrack track, AudioPlaylist playlist)
+        {
+            if(bot.getConfig().isTooLong(track))
+            {
+                m.editMessage(FormatUtil.filter(event.getClient().getWarning()+" This track (**"+track.getInfo().title+"**) is longer than the allowed maximum: `"
+                        +FormatUtil.formatTime(track.getDuration())+"` > `"+FormatUtil.formatTime(bot.getConfig().getMaxSeconds()*1000)+"`")).queue();
+                return;
+            }
+            AudioHandler handler = (AudioHandler)event.getGuild().getAudioManager().getSendingHandler();
+            int pos = handler.addTrack(new QueuedTrack(track, event.getAuthor()))+1;
+            String addMsg = FormatUtil.filter(event.getClient().getSuccess()+" Added **"+track.getInfo().title
+                    +"** (`"+FormatUtil.formatTime(track.getDuration())+"`) "+(pos==0?"to begin playing":" to the queue at position "+pos));
+            if(playlist==null || !event.getSelfMember().hasPermission(event.getTextChannel(), Permission.MESSAGE_ADD_REACTION))
+                m.editMessage(addMsg).queue();
+            else
+            {
+                new ButtonMenu.Builder()
+                        .setText(addMsg+"\n"+event.getClient().getWarning()+" This track has a playlist of **"+playlist.getTracks().size()+"** tracks attached. Select "+LOAD+" to load playlist.")
+                        .setChoices(LOAD, CANCEL)
+                        .setEventWaiter(bot.getWaiter())
+                        .setTimeout(30, TimeUnit.SECONDS)
+                        .setAction(re ->
+                        {
+                            if(re.getName().equals(LOAD))
+                                m.editMessage(addMsg+"\n"+event.getClient().getSuccess()+" Loaded **"+loadPlaylist(playlist, track)+"** additional tracks!").queue();
+                            else
+                                m.editMessage(addMsg).queue();
+                        }).setFinalAction(m ->
+                        {
+                            try{m.clearReactions().queue();}catch(PermissionException ex){}
+                        }).build().display(m);
+            }
+        }
+        
+        private int loadPlaylist(AudioPlaylist playlist, AudioTrack exclude)
+        {
+            int[] count = {0};
+            playlist.getTracks().stream().forEach((track) -> {
+                if(!bot.getConfig().isTooLong(track) && !track.equals(exclude))
+                {
+                    AudioHandler handler = (AudioHandler)event.getGuild().getAudioManager().getSendingHandler();
+                    handler.addTrack(new QueuedTrack(track, event.getAuthor()));
+                    count[0]++;
+                }
+            });
+            return count[0];
+        }
+        
+        @Override
+        public void trackLoaded(AudioTrack track)
+        {
+            loadSingle(track, null);
+        }
+
+        @Override
+        public void playlistLoaded(AudioPlaylist playlist)
+        {
+            if(playlist.getTracks().size()==1 || playlist.isSearchResult())
+            {
+                AudioTrack single = playlist.getSelectedTrack()==null ? playlist.getTracks().get(0) : playlist.getSelectedTrack();
+                loadSingle(single, null);
+            }
+            else if (playlist.getSelectedTrack()!=null)
+            {
+                AudioTrack single = playlist.getSelectedTrack();
+                loadSingle(single, playlist);
+            }
+            else
+            {
+                int count = loadPlaylist(playlist, null);
+                if(count==0)
+                {
+                    m.editMessage(FormatUtil.filter(event.getClient().getWarning()+" All entries in this playlist "+(playlist.getName()==null ? "" : "(**"+playlist.getName()
+                            +"**) ")+"were longer than the allowed maximum (`"+bot.getConfig().getMaxTime()+"`)")).queue();
+                }
+                else
+                {
+                    m.editMessage(FormatUtil.filter(event.getClient().getSuccess()+" Found "
+                            +(playlist.getName()==null?"a playlist":"playlist **"+playlist.getName()+"**")+" with `"
+                            + playlist.getTracks().size()+"` entries; added to the queue!"
+                            + (count<playlist.getTracks().size() ? "\n"+event.getClient().getWarning()+" Tracks longer than the allowed maximum (`"
+                            + bot.getConfig().getMaxTime()+"`) have been omitted." : ""))).queue();
+                }
+            }
+        }
+
+        @Override
+        public void noMatches()
+        {
+            if(ytsearch)
+                m.editMessage(FormatUtil.filter(event.getClient().getWarning()+" No results found for `"+event.getArgs()+"`.")).queue();
+            else
+                bot.getPlayerManager().loadItemOrdered(event.getGuild(), "ytsearch:"+event.getArgs(), new ResultHandler(m,event,true));
+        }
+
+        @Override
+        public void loadFailed(FriendlyException throwable)
+        {
+            if(throwable.severity==Severity.COMMON)
+                m.editMessage(event.getClient().getError()+" Error loading: "+throwable.getMessage()).queue();
+            else
+                m.editMessage(event.getClient().getError()+" Error loading track.").queue();
+        }
+    }
+    
+    public class PlaylistCmd extends MusicCommand
+    {
+        public PlaylistCmd(Bot bot)
+        {
+            super(bot);
+            this.name = "playlist";
+            this.aliases = new String[]{"pl"};
+            this.arguments = "<name>";
+            this.help = "plays the provided playlist";
+            this.beListening = true;
+            this.bePlaying = false;
+        }
+
+        @Override
+        public void doCommand(CommandEvent event) 
+        {
+            if(event.getArgs().isEmpty())
+            {
+                event.reply(event.getClient().getError()+" Please include a playlist name.");
+                return;
+            }
+            Playlist playlist = bot.getPlaylistLoader().getPlaylist(event.getArgs());
+            if(playlist==null)
+            {
+                event.replyError("I could not find `"+event.getArgs()+".txt` in the Playlists folder.");
+                return;
+            }
+            event.getChannel().sendMessage(loadingEmoji+" Loading playlist **"+event.getArgs()+"**... ("+playlist.getItems().size()+" items)").queue(m -> 
+            {
+                AudioHandler handler = (AudioHandler)event.getGuild().getAudioManager().getSendingHandler();
+                playlist.loadTracks(bot.getPlayerManager(), (at)->handler.addTrack(new QueuedTrack(at, event.getAuthor())), () -> {
+                    StringBuilder builder = new StringBuilder(playlist.getTracks().isEmpty() 
+                            ? event.getClient().getWarning()+" No tracks were loaded!" 
+                            : event.getClient().getSuccess()+" Loaded **"+playlist.getTracks().size()+"** tracks!");
+                    if(!playlist.getErrors().isEmpty())
+                        builder.append("\nThe following tracks failed to load:");
+                    playlist.getErrors().forEach(err -> builder.append("\n`[").append(err.getIndex()+1).append("]` **").append(err.getItem()).append("**: ").append(err.getReason()));
+                    String str = builder.toString();
+                    if(str.length()>2000)
+                        str = str.substring(0,1994)+" (...)";
+                    m.editMessage(FormatUtil.filter(str)).queue();
+                });
+            });
+        }
+    }
+}

src/main/java/com/jagrosh/jmusicbot/commands/music/PlaylistsCmd.java

@@ -0,0 +1,63 @@
+/*
+ * Copyright 2018 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands.music;
+
+import java.util.List;
+import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jmusicbot.Bot;
+import com.jagrosh.jmusicbot.commands.MusicCommand;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class PlaylistsCmd extends MusicCommand 
+{
+    public PlaylistsCmd(Bot bot)
+    {
+        super(bot);
+        this.name = "playlists";
+        this.help = "shows the available playlists";
+        this.aliases = new String[]{"pls"};
+        this.guildOnly = true;
+        this.beListening = false;
+        this.beListening = false;
+    }
+    
+    @Override
+    public void doCommand(CommandEvent event) 
+    {
+        if(!bot.getPlaylistLoader().folderExists())
+            bot.getPlaylistLoader().createFolder();
+        if(!bot.getPlaylistLoader().folderExists())
+        {
+            event.reply(event.getClient().getWarning()+" Playlists folder does not exist and could not be created!");
+            return;
+        }
+        List<String> list = bot.getPlaylistLoader().getPlaylistNames();
+        if(list==null)
+            event.reply(event.getClient().getError()+" Failed to load available playlists!");
+        else if(list.isEmpty())
+            event.reply(event.getClient().getWarning()+" There are no playlists in the Playlists folder!");
+        else
+        {
+            StringBuilder builder = new StringBuilder(event.getClient().getSuccess()+" Available playlists:\n");
+            list.forEach(str -> builder.append("`").append(str).append("` "));
+            builder.append("\nType `").append(event.getClient().getTextualPrefix()).append("play playlist <name>` to play a playlist");
+            event.reply(builder.toString());
+        }
+    }
+}

src/main/java/com/jagrosh/jmusicbot/commands/music/QueueCmd.java

@@ -0,0 +1,115 @@
+/*
+ * Copyright 2018 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands.music;
+
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jdautilities.menu.Paginator;
+import com.jagrosh.jmusicbot.Bot;
+import com.jagrosh.jmusicbot.JMusicBot;
+import com.jagrosh.jmusicbot.audio.AudioHandler;
+import com.jagrosh.jmusicbot.audio.QueuedTrack;
+import com.jagrosh.jmusicbot.commands.MusicCommand;
+import com.jagrosh.jmusicbot.settings.Settings;
+import com.jagrosh.jmusicbot.utils.FormatUtil;
+import net.dv8tion.jda.core.MessageBuilder;
+import net.dv8tion.jda.core.Permission;
+import net.dv8tion.jda.core.entities.Message;
+import net.dv8tion.jda.core.exceptions.PermissionException;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class QueueCmd extends MusicCommand 
+{
+    private final Paginator.Builder builder;
+    public QueueCmd(Bot bot)
+    {
+        super(bot);
+        this.name = "queue";
+        this.help = "shows the current queue";
+        this.arguments = "[pagenum]";
+        this.aliases = new String[]{"list"};
+        this.bePlaying = true;
+        this.botPermissions = new Permission[]{Permission.MESSAGE_ADD_REACTION,Permission.MESSAGE_EMBED_LINKS};
+        builder = new Paginator.Builder()
+                .setColumns(1)
+                .setFinalAction(m -> {try{m.clearReactions().queue();}catch(PermissionException e){}})
+                .setItemsPerPage(10)
+                .waitOnSinglePage(false)
+                .useNumberedItems(true)
+                .showPageNumbers(true)
+                .setEventWaiter(bot.getWaiter())
+                .setTimeout(1, TimeUnit.MINUTES);
+    }
+
+    @Override
+    public void doCommand(CommandEvent event)
+    {
+        int pagenum = 1;
+        try
+        {
+            pagenum = Integer.parseInt(event.getArgs());
+        }
+        catch(NumberFormatException e){}
+        AudioHandler ah = (AudioHandler)event.getGuild().getAudioManager().getSendingHandler();
+        List<QueuedTrack> list = ah.getQueue().getList();
+        if(list.isEmpty())
+        {
+            Message nowp = ah.getNowPlaying(event.getJDA());
+            Message nonowp = ah.getNoMusicPlaying(event.getJDA());
+            Message built = new MessageBuilder()
+                    .setContent(event.getClient().getWarning() + " There is no music in the queue!")
+                    .setEmbed((nowp==null ? nonowp : nowp).getEmbeds().get(0)).build();
+            event.reply(built, m -> 
+            {
+                if(nowp!=null)
+                    bot.getNowplayingHandler().setLastNPMessage(m);
+            });
+            return;
+        }
+        String[] songs = new String[list.size()];
+        long total = 0;
+        for(int i=0; i<list.size(); i++)
+        {
+            total += list.get(i).getTrack().getDuration();
+            songs[i] = list.get(i).toString();
+        }
+        Settings settings = event.getClient().getSettingsFor(event.getGuild());
+        long fintotal = total;
+        builder.setText((i1,i2) -> getQueueTitle(ah, event.getClient().getSuccess(), songs.length, fintotal, settings.getRepeatMode()))
+                .setItems(songs)
+                .setUsers(event.getAuthor())
+                .setColor(event.getSelfMember().getColor())
+                ;
+        builder.build().paginate(event.getChannel(), pagenum);
+    }
+    
+    private String getQueueTitle(AudioHandler ah, String success, int songslength, long total, boolean repeatmode)
+    {
+        StringBuilder sb = new StringBuilder();
+        if(ah.getPlayer().getPlayingTrack()!=null)
+        {
+            sb.append(ah.getPlayer().isPaused() ? JMusicBot.PAUSE_EMOJI : JMusicBot.PLAY_EMOJI).append(" **")
+                    .append(ah.getPlayer().getPlayingTrack().getInfo().title).append("**\n");
+        }
+        return FormatUtil.filter(sb.append(success).append(" Current Queue | ").append(songslength)
+                .append(" entries | `").append(FormatUtil.formatTime(total)).append("` ")
+                .append(repeatmode ? "| \uD83D\uDD01" : "").toString());
+    }
+}

src/main/java/com/jagrosh/jmusicbot/commands/music/RemoveCmd.java

@@ -1,85 +1,100 @@
-/*
- * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot.commands;
-
-import me.jagrosh.jdautilities.commandclient.CommandEvent;
-import me.jagrosh.jmusicbot.Bot;
-import me.jagrosh.jmusicbot.audio.AudioHandler;
-import me.jagrosh.jmusicbot.audio.QueuedTrack;
-import net.dv8tion.jda.core.Permission;
-import net.dv8tion.jda.core.entities.Role;
-import net.dv8tion.jda.core.entities.User;
-import net.dv8tion.jda.core.utils.PermissionUtil;
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public class RemoveCmd extends MusicCommand {
-
-    public RemoveCmd(Bot bot)
-    {
-        super(bot);
-        this.name = "remove";
-        this.help = "removes a song from the queue";
-        this.arguments = "<position>";
-        this.aliases = new String[]{"delete"};
-        this.beListening = true;
-        this.bePlaying = true;
-    }
-
-    @Override
-    public void doCommand(CommandEvent event) {
-        AudioHandler handler = (AudioHandler)event.getGuild().getAudioManager().getSendingHandler();
-        if(handler.getQueue().isEmpty())
-        {
-            event.reply(event.getClient().getError()+" There is nothing in the queue!");
-            return;
-        }
-        int pos;
-        try {
-            pos = Integer.parseInt(event.getArgs());
-        } catch(NumberFormatException e) {
-            pos = 0;
-        }
-        if(pos<1 || pos>handler.getQueue().size())
-        {
-            event.reply(event.getClient().getError()+" Position must be a valid integer between 1 and "+handler.getQueue().size()+"!");
-            return;
-        }
-        boolean isDJ = PermissionUtil.checkPermission(event.getGuild(), event.getMember(), Permission.MANAGE_SERVER);
-        if(!isDJ)
-            isDJ = event.getMember().getRoles().contains(event.getGuild().getRoleById(bot.getSettings(event.getGuild()).getRoleId()));
-        QueuedTrack qt = handler.getQueue().get(pos-1);
-        if(qt.getIdentifier().equals(event.getAuthor().getId()))
-        {
-            handler.getQueue().remove(pos-1);
-            event.reply(event.getClient().getSuccess()+" Removed **"+qt.getTrack().getInfo().title+"** from the queue");
-        }
-        else if(isDJ)
-        {
-            handler.getQueue().remove(pos-1);
-            User u = event.getJDA().getUserById(qt.getIdentifier());
-            event.reply(event.getClient().getSuccess()+" Removed **"+qt.getTrack().getInfo().title
-                    +"** from the queue (requested by "+(u==null ? "someone" : "**"+u.getName()+"**")+")");
-        }
-        else
-        {
-            event.reply(event.getClient().getError()+" You cannot remove **"+qt.getTrack().getInfo().title+"** because you didn't add it!");
-        }
-    }
-    
-}
+/*
+ * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands.music;
+
+import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jmusicbot.Bot;
+import com.jagrosh.jmusicbot.audio.AudioHandler;
+import com.jagrosh.jmusicbot.audio.QueuedTrack;
+import com.jagrosh.jmusicbot.commands.MusicCommand;
+import com.jagrosh.jmusicbot.settings.Settings;
+import net.dv8tion.jda.core.Permission;
+import net.dv8tion.jda.core.entities.User;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class RemoveCmd extends MusicCommand 
+{
+    public RemoveCmd(Bot bot)
+    {
+        super(bot);
+        this.name = "remove";
+        this.help = "removes a song from the queue";
+        this.arguments = "<position|ALL>";
+        this.aliases = new String[]{"delete"};
+        this.beListening = true;
+        this.bePlaying = true;
+    }
+
+    @Override
+    public void doCommand(CommandEvent event) 
+    {
+        AudioHandler handler = (AudioHandler)event.getGuild().getAudioManager().getSendingHandler();
+        if(handler.getQueue().isEmpty())
+        {
+            event.replyError("There is nothing in the queue!");
+            return;
+        }
+        if(event.getArgs().equalsIgnoreCase("all"))
+        {
+            int count = handler.getQueue().removeAll(event.getAuthor().getIdLong());
+            if(count==0)
+                event.replyWarning("You don't have any songs in the queue!");
+            else
+                event.replySuccess("Successfully removed your "+count+" entries.");
+            return;
+        }
+        int pos;
+        try {
+            pos = Integer.parseInt(event.getArgs());
+        } catch(NumberFormatException e) {
+            pos = 0;
+        }
+        if(pos<1 || pos>handler.getQueue().size())
+        {
+            event.replyError("Position must be a valid integer between 1 and "+handler.getQueue().size()+"!");
+            return;
+        }
+        Settings settings = event.getClient().getSettingsFor(event.getGuild());
+        boolean isDJ = event.getMember().hasPermission(Permission.MANAGE_SERVER);
+        if(!isDJ)
+            isDJ = event.getMember().getRoles().contains(settings.getRole(event.getGuild()));
+        QueuedTrack qt = handler.getQueue().get(pos-1);
+        if(qt.getIdentifier()==event.getAuthor().getIdLong())
+        {
+            handler.getQueue().remove(pos-1);
+            event.replySuccess("Removed **"+qt.getTrack().getInfo().title+"** from the queue");
+        }
+        else if(isDJ)
+        {
+            handler.getQueue().remove(pos-1);
+            User u;
+            try {
+                u = event.getJDA().getUserById(qt.getIdentifier());
+            } catch(Exception e) {
+                u = null;
+            }
+            event.replySuccess("Removed **"+qt.getTrack().getInfo().title
+                    +"** from the queue (requested by "+(u==null ? "someone" : "**"+u.getName()+"**")+")");
+        }
+        else
+        {
+            event.replyError("You cannot remove **"+qt.getTrack().getInfo().title+"** because you didn't add it!");
+        }
+    }
+}

src/main/java/com/jagrosh/jmusicbot/commands/music/SCSearchCmd.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands.music;
+
+import com.jagrosh.jmusicbot.Bot;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class SCSearchCmd extends SearchCmd 
+{
+    public SCSearchCmd(Bot bot, String searchingEmoji)
+    {
+        super(bot, searchingEmoji);
+        this.searchPrefix = "scsearch:";
+        this.name = "scsearch";
+        this.help = "searches Soundcloud for a provided query";
+        this.aliases = new String[]{};
+    }
+}

src/main/java/com/jagrosh/jmusicbot/commands/music/SearchCmd.java

@@ -0,0 +1,147 @@
+/*
+ * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands.music;
+
+import com.sedmelluq.discord.lavaplayer.player.AudioLoadResultHandler;
+import com.sedmelluq.discord.lavaplayer.tools.FriendlyException;
+import com.sedmelluq.discord.lavaplayer.tools.FriendlyException.Severity;
+import com.sedmelluq.discord.lavaplayer.track.AudioPlaylist;
+import com.sedmelluq.discord.lavaplayer.track.AudioTrack;
+import java.util.concurrent.TimeUnit;
+import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jdautilities.menu.OrderedMenu;
+import com.jagrosh.jmusicbot.Bot;
+import com.jagrosh.jmusicbot.audio.AudioHandler;
+import com.jagrosh.jmusicbot.audio.QueuedTrack;
+import com.jagrosh.jmusicbot.commands.MusicCommand;
+import com.jagrosh.jmusicbot.utils.FormatUtil;
+import net.dv8tion.jda.core.Permission;
+import net.dv8tion.jda.core.entities.Message;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class SearchCmd extends MusicCommand 
+{
+    protected String searchPrefix = "ytsearch:";
+    private final OrderedMenu.Builder builder;
+    private final String searchingEmoji;
+    
+    public SearchCmd(Bot bot, String searchingEmoji)
+    {
+        super(bot);
+        this.searchingEmoji = searchingEmoji;
+        this.name = "search";
+        this.aliases = new String[]{"ytsearch"};
+        this.arguments = "<query>";
+        this.help = "searches Youtube for a provided query";
+        this.beListening = true;
+        this.bePlaying = false;
+        this.botPermissions = new Permission[]{Permission.MESSAGE_EMBED_LINKS};
+        builder = new OrderedMenu.Builder()
+                .allowTextInput(true)
+                .useNumbers()
+                .useCancelButton(true)
+                .setEventWaiter(bot.getWaiter())
+                .setTimeout(1, TimeUnit.MINUTES);
+    }
+    @Override
+    public void doCommand(CommandEvent event) 
+    {
+        if(event.getArgs().isEmpty())
+        {
+            event.replyError("Please include a query.");
+            return;
+        }
+        event.reply(searchingEmoji+" Searching... `["+event.getArgs()+"]`", 
+                m -> bot.getPlayerManager().loadItemOrdered(event.getGuild(), searchPrefix + event.getArgs(), new ResultHandler(m,event)));
+    }
+    
+    private class ResultHandler implements AudioLoadResultHandler 
+    {
+        final Message m;
+        final CommandEvent event;
+        private ResultHandler(Message m, CommandEvent event)
+        {
+            this.m = m;
+            this.event = event;
+        }
+        
+        @Override
+        public void trackLoaded(AudioTrack track)
+        {
+            if(bot.getConfig().isTooLong(track))
+            {
+                m.editMessage(FormatUtil.filter(event.getClient().getWarning()+" This track (**"+track.getInfo().title+"**) is longer than the allowed maximum: `"
+                        +FormatUtil.formatTime(track.getDuration())+"` > `"+bot.getConfig().getMaxTime()+"`")).queue();
+                return;
+            }
+            AudioHandler handler = (AudioHandler)event.getGuild().getAudioManager().getSendingHandler();
+            int pos = handler.addTrack(new QueuedTrack(track, event.getAuthor()))+1;
+            m.editMessage(FormatUtil.filter(event.getClient().getSuccess()+" Added **"+track.getInfo().title
+                    +"** (`"+FormatUtil.formatTime(track.getDuration())+"`) "+(pos==0 ? "to begin playing" 
+                        : " to the queue at position "+pos))).queue();
+        }
+
+        @Override
+        public void playlistLoaded(AudioPlaylist playlist)
+        {
+            builder.setColor(event.getSelfMember().getColor())
+                    .setText(FormatUtil.filter(event.getClient().getSuccess()+" Search results for `"+event.getArgs()+"`:"))
+                    .setChoices(new String[0])
+                    .setSelection((msg,i) -> 
+                    {
+                        AudioTrack track = playlist.getTracks().get(i-1);
+                        if(bot.getConfig().isTooLong(track))
+                        {
+                            event.replyWarning("This track (**"+track.getInfo().title+"**) is longer than the allowed maximum: `"
+                                    +FormatUtil.formatTime(track.getDuration())+"` > `"+bot.getConfig().getMaxTime()+"`");
+                            return;
+                        }
+                        AudioHandler handler = (AudioHandler)event.getGuild().getAudioManager().getSendingHandler();
+                        int pos = handler.addTrack(new QueuedTrack(track, event.getAuthor()))+1;
+                        event.replySuccess("Added **"+track.getInfo().title
+                                +"** (`"+FormatUtil.formatTime(track.getDuration())+"`) "+(pos==0 ? "to begin playing" 
+                                    : " to the queue at position "+pos));
+                    })
+                    .setCancel((msg) -> {})
+                    .setUsers(event.getAuthor())
+                    ;
+            for(int i=0; i<4 && i<playlist.getTracks().size(); i++)
+            {
+                AudioTrack track = playlist.getTracks().get(i);
+                builder.addChoices("`["+FormatUtil.formatTime(track.getDuration())+"]` [**"+track.getInfo().title+"**]("+track.getInfo().uri+")");
+            }
+            builder.build().display(m);
+        }
+
+        @Override
+        public void noMatches() 
+        {
+            m.editMessage(FormatUtil.filter(event.getClient().getWarning()+" No results found for `"+event.getArgs()+"`.")).queue();
+        }
+
+        @Override
+        public void loadFailed(FriendlyException throwable) 
+        {
+            if(throwable.severity==Severity.COMMON)
+                m.editMessage(event.getClient().getError()+" Error loading: "+throwable.getMessage()).queue();
+            else
+                m.editMessage(event.getClient().getError()+" Error loading track.").queue();
+        }
+    }
+}

src/main/java/com/jagrosh/jmusicbot/commands/music/ShuffleCmd.java

@@ -1,54 +1,57 @@
-/*
- * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot.commands;
-
-import me.jagrosh.jdautilities.commandclient.CommandEvent;
-import me.jagrosh.jmusicbot.Bot;
-import me.jagrosh.jmusicbot.audio.AudioHandler;
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public class ShuffleCmd extends MusicCommand {
-
-    public ShuffleCmd(Bot bot)
-    {
-        super(bot);
-        this.name = "shuffle";
-        this.help = "shuffles songs you have added";
-        this.beListening = true;
-        this.bePlaying = true;
-    }
-
-    @Override
-    public void doCommand(CommandEvent event) {
-        AudioHandler handler = (AudioHandler)event.getGuild().getAudioManager().getSendingHandler();
-        int s = handler.getQueue().shuffle(event.getAuthor().getId());
-        switch (s) {
-            case 0:
-                event.reply(event.getClient().getError()+" You don't have any music in the queue to shuffle!");
-                break;
-            case 1:
-                event.reply(event.getClient().getWarning()+" You only have one song in the queue!");
-                break;
-            default:
-                event.reply(event.getClient().getSuccess()+" You successfully shuffled your "+s+" entries.");
-                break;
-        }
-    }
-    
-}
+/*
+ * Copyright 2018 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands.music;
+
+import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jmusicbot.Bot;
+import com.jagrosh.jmusicbot.audio.AudioHandler;
+import com.jagrosh.jmusicbot.commands.MusicCommand;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class ShuffleCmd extends MusicCommand 
+{
+    public ShuffleCmd(Bot bot)
+    {
+        super(bot);
+        this.name = "shuffle";
+        this.help = "shuffles songs you have added";
+        this.beListening = true;
+        this.bePlaying = true;
+    }
+
+    @Override
+    public void doCommand(CommandEvent event) 
+    {
+        AudioHandler handler = (AudioHandler)event.getGuild().getAudioManager().getSendingHandler();
+        int s = handler.getQueue().shuffle(event.getAuthor().getIdLong());
+        switch (s) 
+        {
+            case 0:
+                event.replyError("You don't have any music in the queue to shuffle!");
+                break;
+            case 1:
+                event.replyWarning("You only have one song in the queue!");
+                break;
+            default:
+                event.replySuccess("You successfully shuffled your "+s+" entries.");
+                break;
+        }
+    }
+    
+}

src/main/java/com/jagrosh/jmusicbot/commands/music/SkipCmd.java

@@ -1,75 +1,76 @@
-/*
- * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot.commands;
-
-import me.jagrosh.jdautilities.commandclient.CommandEvent;
-import me.jagrosh.jmusicbot.Bot;
-import me.jagrosh.jmusicbot.audio.AudioHandler;
-import net.dv8tion.jda.core.entities.User;
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public class SkipCmd extends MusicCommand {
-
-    public SkipCmd(Bot bot)
-    {
-        super(bot);
-        this.name = "skip";
-        this.help = "votes to skip the current song";
-        this.aliases = new String[]{"voteskip"};
-        this.beListening = true;
-        this.bePlaying = true;
-    }
-
-    @Override
-    public void doCommand(CommandEvent event) {
-        AudioHandler handler = (AudioHandler)event.getGuild().getAudioManager().getSendingHandler();
-        if(event.getAuthor().getId().equals(handler.getCurrentTrack().getIdentifier()))
-        {
-            event.reply(event.getClient().getSuccess()+" Skipped **"+handler.getCurrentTrack().getTrack().getInfo().title
-                    +"**");
-            handler.getPlayer().stopTrack();
-        }
-        else
-        {
-            int listeners = (int)event.getSelfMember().getVoiceState().getChannel().getMembers().stream()
-                    .filter(m -> !m.getUser().isBot() && !m.getVoiceState().isDeafened()).count();
-            String msg;
-            if(handler.getVotes().contains(event.getAuthor().getId()))
-                msg = event.getClient().getWarning()+" You already voted to skip this song `[";
-            else
-            {
-                msg = event.getClient().getSuccess()+" You voted to skip the song `[";
-                handler.getVotes().add(event.getAuthor().getId());
-            }
-            int skippers = (int)event.getSelfMember().getVoiceState().getChannel().getMembers().stream()
-                    .filter(m -> handler.getVotes().contains(m.getUser().getId())).count();
-            int required = (int)Math.ceil(listeners * .55);
-            msg+= skippers+" votes, "+required+"/"+listeners+" needed]`";
-            if(skippers>=required)
-            {
-                User u = event.getJDA().getUserById(handler.getCurrentTrack().getIdentifier());
-                msg+="\n"+event.getClient().getSuccess()+" Skipped **"+handler.getCurrentTrack().getTrack().getInfo().title
-                    +"** (requested by "+(u==null ? "someone" : "**"+u.getName()+"**")+")";
-                handler.getPlayer().stopTrack();
-            }
-            event.reply(msg);
-        }
-    }
-    
-}
+/*
+ * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands.music;
+
+import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jmusicbot.Bot;
+import com.jagrosh.jmusicbot.audio.AudioHandler;
+import com.jagrosh.jmusicbot.commands.MusicCommand;
+import net.dv8tion.jda.core.entities.User;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class SkipCmd extends MusicCommand 
+{
+    public SkipCmd(Bot bot)
+    {
+        super(bot);
+        this.name = "skip";
+        this.help = "votes to skip the current song";
+        this.aliases = new String[]{"voteskip"};
+        this.beListening = true;
+        this.bePlaying = true;
+    }
+
+    @Override
+    public void doCommand(CommandEvent event) 
+    {
+        AudioHandler handler = (AudioHandler)event.getGuild().getAudioManager().getSendingHandler();
+        if(event.getAuthor().getIdLong()==handler.getRequester())
+        {
+            event.reply(event.getClient().getSuccess()+" Skipped **"+handler.getPlayer().getPlayingTrack().getInfo().title+"**");
+            handler.getPlayer().stopTrack();
+        }
+        else
+        {
+            int listeners = (int)event.getSelfMember().getVoiceState().getChannel().getMembers().stream()
+                    .filter(m -> !m.getUser().isBot() && !m.getVoiceState().isDeafened()).count();
+            String msg;
+            if(handler.getVotes().contains(event.getAuthor().getId()))
+                msg = event.getClient().getWarning()+" You already voted to skip this song `[";
+            else
+            {
+                msg = event.getClient().getSuccess()+" You voted to skip the song `[";
+                handler.getVotes().add(event.getAuthor().getId());
+            }
+            int skippers = (int)event.getSelfMember().getVoiceState().getChannel().getMembers().stream()
+                    .filter(m -> handler.getVotes().contains(m.getUser().getId())).count();
+            int required = (int)Math.ceil(listeners * .55);
+            msg+= skippers+" votes, "+required+"/"+listeners+" needed]`";
+            if(skippers>=required)
+            {
+                User u = event.getJDA().getUserById(handler.getRequester());
+                msg+="\n"+event.getClient().getSuccess()+" Skipped **"+handler.getPlayer().getPlayingTrack().getInfo().title
+                    +"**"+(handler.getRequester()==0 ? "" : " (requested by "+(u==null ? "someone" : "**"+u.getName()+"**")+")");
+                handler.getPlayer().stopTrack();
+            }
+            event.reply(msg);
+        }
+    }
+    
+}

src/main/java/com/jagrosh/jmusicbot/commands/owner/AutoplaylistCmd.java

@@ -0,0 +1,67 @@
+/*
+ * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands.owner;
+
+import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jmusicbot.Bot;
+import com.jagrosh.jmusicbot.commands.OwnerCommand;
+import com.jagrosh.jmusicbot.settings.Settings;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class AutoplaylistCmd extends OwnerCommand
+{
+    private final Bot bot;
+    
+    public AutoplaylistCmd(Bot bot)
+    {
+        this.bot = bot;
+        this.guildOnly = true;
+        this.name = "autoplaylist";
+        this.arguments = "<name|NONE>";
+        this.help = "sets the default playlist for the server";
+    }
+
+    @Override
+    public void execute(CommandEvent event) 
+    {
+        if(event.getArgs().isEmpty())
+        {
+            event.reply(event.getClient().getError()+" Please include a playlist name or NONE");
+            return;
+        }
+        if(event.getArgs().equalsIgnoreCase("none"))
+        {
+            Settings settings = event.getClient().getSettingsFor(event.getGuild());
+            settings.setDefaultPlaylist(null);
+            event.reply(event.getClient().getSuccess()+" Cleared the default playlist for **"+event.getGuild().getName()+"**");
+            return;
+        }
+        String pname = event.getArgs().replaceAll("\\s+", "_");
+        if(bot.getPlaylistLoader().getPlaylist(pname)==null)
+        {
+            event.reply(event.getClient().getError()+" Could not find `"+pname+".txt`!");
+        }
+        else
+        {
+            Settings settings = event.getClient().getSettingsFor(event.getGuild());
+            settings.setDefaultPlaylist(pname);
+            event.reply(event.getClient().getSuccess()+" The default playlist for **"+event.getGuild().getName()+"** is now `"+pname+"`");
+        }
+    }
+}

src/main/java/com/jagrosh/jmusicbot/commands/owner/EvalCmd.java

@@ -0,0 +1,55 @@
+/*
+ * Copyright 2016 John Grosh (jagrosh).
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands.owner;
+
+import javax.script.ScriptEngine;
+import javax.script.ScriptEngineManager;
+import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jmusicbot.Bot;
+import com.jagrosh.jmusicbot.commands.OwnerCommand;
+
+/**
+ *
+ * @author John Grosh (jagrosh)
+ */
+public class EvalCmd extends OwnerCommand 
+{
+    public EvalCmd(Bot bot)
+    {
+        this.name = "eval";
+        this.help = "evaluates nashorn code";
+        this.guildOnly = false;
+    }
+    
+    @Override
+    protected void execute(CommandEvent event) 
+    {
+        ScriptEngine se = new ScriptEngineManager().getEngineByName("Nashorn");
+        se.put("event", event);
+        se.put("jda", event.getJDA());
+        se.put("guild", event.getGuild());
+        se.put("channel", event.getChannel());
+        try
+        {
+            event.reply(event.getClient().getSuccess()+" Evaluated Successfully:\n```\n"+se.eval(event.getArgs())+" ```");
+        } 
+        catch(Exception e)
+        {
+            event.reply(event.getClient().getError()+" An exception was thrown:\n```\n"+e+" ```");
+        }
+    }
+    
+}

src/main/java/com/jagrosh/jmusicbot/commands/owner/PlaylistCmd.java

@@ -0,0 +1,218 @@
+/*
+ * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands.owner;
+
+import java.io.IOException;
+import java.util.List;
+import com.jagrosh.jdautilities.command.Command;
+import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jmusicbot.Bot;
+import com.jagrosh.jmusicbot.commands.OwnerCommand;
+import com.jagrosh.jmusicbot.commands.owner.AutoplaylistCmd;
+import com.jagrosh.jmusicbot.playlist.PlaylistLoader.Playlist;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class PlaylistCmd extends OwnerCommand 
+{
+    private final Bot bot;
+    public PlaylistCmd(Bot bot)
+    {
+        this.bot = bot;
+        this.guildOnly = false;
+        this.name = "playlist";
+        this.arguments = "<append|delete|make|setdefault>";
+        this.help = "playlist management";
+        this.children = new OwnerCommand[]{
+            new ListCmd(),
+            new AppendlistCmd(),
+            new DeletelistCmd(),
+            new MakelistCmd(),
+            new DefaultlistCmd(bot)
+        };
+    }
+
+    @Override
+    public void execute(CommandEvent event) 
+    {
+        StringBuilder builder = new StringBuilder(event.getClient().getWarning()+" Playlist Management Commands:\n");
+        for(Command cmd: this.children)
+            builder.append("\n`").append(event.getClient().getPrefix()).append(name).append(" ").append(cmd.getName())
+                    .append(" ").append(cmd.getArguments()==null ? "" : cmd.getArguments()).append("` - ").append(cmd.getHelp());
+        event.reply(builder.toString());
+    }
+    
+    public class MakelistCmd extends OwnerCommand 
+    {
+        public MakelistCmd()
+        {
+            this.name = "make";
+            this.aliases = new String[]{"create"};
+            this.help = "makes a new playlist";
+            this.arguments = "<name>";
+            this.guildOnly = false;
+        }
+
+        @Override
+        protected void execute(CommandEvent event) 
+        {
+            String pname = event.getArgs().replaceAll("\\s+", "_");
+            if(bot.getPlaylistLoader().getPlaylist(pname)==null)
+            {
+                try
+                {
+                    bot.getPlaylistLoader().createPlaylist(pname);
+                    event.reply(event.getClient().getSuccess()+" Successfully created playlist `"+pname+"`!");
+                }
+                catch(IOException e)
+                {
+                    event.reply(event.getClient().getError()+" I was unable to create the playlist: "+e.getLocalizedMessage());
+                }
+            }
+            else
+                event.reply(event.getClient().getError()+" Playlist `"+pname+"` already exists!");
+        }
+    }
+    
+    public class DeletelistCmd extends OwnerCommand 
+    {
+        public DeletelistCmd()
+        {
+            this.name = "delete";
+            this.aliases = new String[]{"remove"};
+            this.help = "deletes an existing playlist";
+            this.arguments = "<name>";
+            this.guildOnly = false;
+        }
+
+        @Override
+        protected void execute(CommandEvent event) 
+        {
+            String pname = event.getArgs().replaceAll("\\s+", "_");
+            if(bot.getPlaylistLoader().getPlaylist(pname)==null)
+                event.reply(event.getClient().getError()+" Playlist `"+pname+"` doesn't exist!");
+            else
+            {
+                try
+                {
+                    bot.getPlaylistLoader().deletePlaylist(pname);
+                    event.reply(event.getClient().getSuccess()+" Successfully deleted playlist `"+pname+"`!");
+                }
+                catch(IOException e)
+                {
+                    event.reply(event.getClient().getError()+" I was unable to delete the playlist: "+e.getLocalizedMessage());
+                }
+            }
+        }
+    }
+    
+    public class AppendlistCmd extends OwnerCommand 
+    {
+        public AppendlistCmd()
+        {
+            this.name = "append";
+            this.aliases = new String[]{"add"};
+            this.help = "appends songs to an existing playlist";
+            this.arguments = "<name> <URL> | <URL> | ...";
+            this.guildOnly = false;
+        }
+
+        @Override
+        protected void execute(CommandEvent event) 
+        {
+            String[] parts = event.getArgs().split("\\s+", 2);
+            if(parts.length<2)
+            {
+                event.reply(event.getClient().getError()+" Please include a playlist name and URLs to add!");
+                return;
+            }
+            String pname = parts[0];
+            Playlist playlist = bot.getPlaylistLoader().getPlaylist(pname);
+            if(playlist==null)
+                event.reply(event.getClient().getError()+" Playlist `"+pname+"` doesn't exist!");
+            else
+            {
+                StringBuilder builder = new StringBuilder();
+                playlist.getItems().forEach(item -> builder.append("\r\n").append(item));
+                String[] urls = parts[1].split("\\|");
+                for(String url: urls)
+                {
+                    String u = url.trim();
+                    if(u.startsWith("<") && u.endsWith(">"))
+                        u = u.substring(1, u.length()-1);
+                    builder.append("\r\n").append(u);
+                }
+                try
+                {
+                    bot.getPlaylistLoader().writePlaylist(pname, builder.toString());
+                    event.reply(event.getClient().getSuccess()+" Successfully added "+urls.length+" items to playlist `"+pname+"`!");
+                }
+                catch(IOException e)
+                {
+                    event.reply(event.getClient().getError()+" I was unable to append to the playlist: "+e.getLocalizedMessage());
+                }
+            }
+        }
+    }
+    
+    public class DefaultlistCmd extends AutoplaylistCmd 
+    {
+        public DefaultlistCmd(Bot bot)
+        {
+            super(bot);
+            this.name = "setdefault";
+            this.aliases = new String[]{"default"};
+            this.arguments = "<playlistname|NONE>";
+            this.guildOnly = true;
+        }
+    }
+    
+    public class ListCmd extends OwnerCommand 
+    {
+        public ListCmd()
+        {
+            this.name = "all";
+            this.aliases = new String[]{"available","list"};
+            this.help = "lists all available playlists";
+            this.guildOnly = true;
+        }
+
+        @Override
+        protected void execute(CommandEvent event) 
+        {
+            if(!bot.getPlaylistLoader().folderExists())
+                bot.getPlaylistLoader().createFolder();
+            if(!bot.getPlaylistLoader().folderExists())
+            {
+                event.reply(event.getClient().getWarning()+" Playlists folder does not exist and could not be created!");
+                return;
+            }
+            List<String> list = bot.getPlaylistLoader().getPlaylistNames();
+            if(list==null)
+                event.reply(event.getClient().getError()+" Failed to load available playlists!");
+            else if(list.isEmpty())
+                event.reply(event.getClient().getWarning()+" There are no playlists in the Playlists folder!");
+            else
+            {
+                StringBuilder builder = new StringBuilder(event.getClient().getSuccess()+" Available playlists:\n");
+                list.forEach(str -> builder.append("`").append(str).append("` "));
+                event.reply(builder.toString());
+            }
+        }
+    }
+}

src/main/java/com/jagrosh/jmusicbot/commands/owner/SetavatarCmd.java

@@ -1,70 +1,66 @@
-/*
- * Copyright 2017 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot.commands;
-
-import java.awt.image.BufferedImage;
-import java.io.IOException;
-import java.io.InputStream;
-import me.jagrosh.jdautilities.commandclient.Command;
-import me.jagrosh.jdautilities.commandclient.CommandEvent;
-import me.jagrosh.jmusicbot.Bot;
-import me.jagrosh.jmusicbot.utils.OtherUtil;
-import net.dv8tion.jda.core.entities.Icon;
-import net.dv8tion.jda.core.exceptions.RateLimitedException;
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public class SetavatarCmd extends Command {
-
-    public SetavatarCmd(Bot bot)
-    {
-        this.name = "setavatar";
-        this.help = "sets the name of the bot";
-        this.arguments = "<url>";
-        this.ownerCommand = true;
-        this.category = bot.OWNER;
-    }
-    
-    @Override
-    protected void execute(CommandEvent event) {
-        String url;
-        if(event.getArgs().isEmpty())
-            if(!event.getMessage().getAttachments().isEmpty() && event.getMessage().getAttachments().get(0).isImage())
-                url = event.getMessage().getAttachments().get(0).getUrl();
-            else
-                url = null;
-        else
-            url = event.getArgs();
-        InputStream s = OtherUtil.imageFromUrl(url);
-        if(s==null)
-        {
-            event.reply(event.getClient().getError()+" Invalid or missing URL");
-        }
-        else
-        {
-            try {
-            event.getSelfUser().getManager().setAvatar(Icon.from(s)).queue(
-                    v -> event.reply(event.getClient().getSuccess()+" Successfully changed avatar."), 
-                    t -> event.reply(event.getClient().getError()+" Failed to set avatar."));
-            } catch(IOException e) {
-                event.reply(event.getClient().getError()+" Could not load from provided URL.");
-            }
-        }
-    }
-    
-}
+/*
+ * Copyright 2017 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands.owner;
+
+import java.io.IOException;
+import java.io.InputStream;
+import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jmusicbot.commands.OwnerCommand;
+import com.jagrosh.jmusicbot.utils.OtherUtil;
+import net.dv8tion.jda.core.entities.Icon;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class SetavatarCmd extends OwnerCommand 
+{
+    public SetavatarCmd()
+    {
+        this.name = "setavatar";
+        this.help = "sets the avatar of the bot";
+        this.arguments = "<url>";
+        this.guildOnly = false;
+    }
+    
+    @Override
+    protected void execute(CommandEvent event) 
+    {
+        String url;
+        if(event.getArgs().isEmpty())
+            if(!event.getMessage().getAttachments().isEmpty() && event.getMessage().getAttachments().get(0).isImage())
+                url = event.getMessage().getAttachments().get(0).getUrl();
+            else
+                url = null;
+        else
+            url = event.getArgs();
+        InputStream s = OtherUtil.imageFromUrl(url);
+        if(s==null)
+        {
+            event.reply(event.getClient().getError()+" Invalid or missing URL");
+        }
+        else
+        {
+            try {
+            event.getSelfUser().getManager().setAvatar(Icon.from(s)).queue(
+                    v -> event.reply(event.getClient().getSuccess()+" Successfully changed avatar."), 
+                    t -> event.reply(event.getClient().getError()+" Failed to set avatar."));
+            } catch(IOException e) {
+                event.reply(event.getClient().getError()+" Could not load from provided URL.");
+            }
+        }
+    }
+}

src/main/java/com/jagrosh/jmusicbot/commands/owner/SetgameCmd.java

@@ -0,0 +1,149 @@
+/*
+ * Copyright 2017 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands.owner;
+
+import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jmusicbot.commands.OwnerCommand;
+import net.dv8tion.jda.core.entities.Game;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class SetgameCmd extends OwnerCommand
+{
+    public SetgameCmd()
+    {
+        this.name = "setgame";
+        this.help = "sets the game the bot is playing";
+        this.arguments = "[action] [game]";
+        this.guildOnly = false;
+        this.children = new OwnerCommand[]{
+            new SetlistenCmd(),
+            new SetstreamCmd(),
+            new SetwatchCmd()
+        };
+    }
+    
+    @Override
+    protected void execute(CommandEvent event) 
+    {
+        String title = event.getArgs().toLowerCase().startsWith("playing") ? event.getArgs().substring(7).trim() : event.getArgs();
+        try
+        {
+            event.getJDA().getPresence().setGame(title.isEmpty() ? null : Game.playing(title));
+            event.reply(event.getClient().getSuccess()+" **"+event.getSelfUser().getName()
+                    +"** is "+(title.isEmpty() ? "no longer playing anything." : "now playing `"+title+"`"));
+        }
+        catch(Exception e)
+        {
+            event.reply(event.getClient().getError()+" The game could not be set!");
+        }
+    }
+    
+    private class SetstreamCmd extends OwnerCommand
+    {
+        private SetstreamCmd()
+        {
+            this.name = "stream";
+            this.aliases = new String[]{"twitch","streaming"};
+            this.help = "sets the game the bot is playing to a stream";
+            this.arguments = "<username> <game>";
+            this.guildOnly = false;
+        }
+
+        @Override
+        protected void execute(CommandEvent event)
+        {
+            String[] parts = event.getArgs().split("\\s+", 2);
+            if(parts.length<2)
+            {
+                event.replyError("Please include a twitch username and the name of the game to 'stream'");
+                return;
+            }
+            try
+            {
+                event.getJDA().getPresence().setGame(Game.streaming(parts[1], "https://twitch.tv/"+parts[0]));
+                event.replySuccess("**"+event.getSelfUser().getName()
+                        +"** is now streaming `"+parts[1]+"`");
+            }
+            catch(Exception e)
+            {
+                event.reply(event.getClient().getError()+" The game could not be set!");
+            }
+        }
+    }
+    
+    private class SetlistenCmd extends OwnerCommand
+    {
+        private SetlistenCmd()
+        {
+            this.name = "listen";
+            this.aliases = new String[]{"listening"};
+            this.help = "sets the game the bot is listening to";
+            this.arguments = "<title>";
+            this.guildOnly = false;
+        }
+
+        @Override
+        protected void execute(CommandEvent event)
+        {
+            if(event.getArgs().isEmpty())
+            {
+                event.replyError("Please include a title to listen to!");
+                return;
+            }
+            String title = event.getArgs().toLowerCase().startsWith("to") ? event.getArgs().substring(2).trim() : event.getArgs();
+            try
+            {
+                event.getJDA().getPresence().setGame(Game.listening(title));
+                event.replySuccess("**"+event.getSelfUser().getName()+"** is now listening to `"+title+"`");
+            } catch(Exception e) {
+                event.reply(event.getClient().getError()+" The game could not be set!");
+            }
+        }
+    }
+    
+    private class SetwatchCmd extends OwnerCommand
+    {
+        private SetwatchCmd()
+        {
+            this.name = "watch";
+            this.aliases = new String[]{"watching"};
+            this.help = "sets the game the bot is watching";
+            this.arguments = "<title>";
+            this.guildOnly = false;
+        }
+
+        @Override
+        protected void execute(CommandEvent event)
+        {
+            if(event.getArgs().isEmpty())
+            {
+                event.replyError("Please include a title to watch!");
+                return;
+            }
+            String title = event.getArgs();
+            try
+            {
+                event.getJDA().getPresence().setGame(Game.watching(title));
+                event.replySuccess("**"+event.getSelfUser().getName()+"** is now watching `"+title+"`");
+            } catch(Exception e) {
+                event.reply(event.getClient().getError()+" The game could not be set!");
+            }
+        }
+    }
+}

src/main/java/com/jagrosh/jmusicbot/commands/owner/SetnameCmd.java

@@ -1,51 +1,50 @@
-/*
- * Copyright 2017 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot.commands;
-
-import me.jagrosh.jdautilities.commandclient.Command;
-import me.jagrosh.jdautilities.commandclient.CommandEvent;
-import me.jagrosh.jmusicbot.Bot;
-import net.dv8tion.jda.core.exceptions.RateLimitedException;
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public class SetnameCmd extends Command {
-
-    public SetnameCmd(Bot bot)
-    {
-        this.name = "setname";
-        this.help = "sets the name of the bot";
-        this.arguments = "<name>";
-        this.ownerCommand = true;
-        this.category = bot.OWNER;
-    }
-    
-    @Override
-    protected void execute(CommandEvent event) {
-        try {
-            String oldname = event.getSelfUser().getName();
-            event.getSelfUser().getManager().setName(event.getArgs()).complete(false);
-            event.reply(event.getClient().getSuccess()+" Name changed from `"+oldname+"` to `"+event.getArgs()+"`");
-        } catch(RateLimitedException e) {
-            event.reply(event.getClient().getError()+" Name can only be changed twice per hour!");
-        } catch(Exception e) {
-            event.reply(event.getClient().getError()+" That name is not valid!");
-        }
-    }
-    
-}
+/*
+ * Copyright 2018 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands.owner;
+
+import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jmusicbot.Bot;
+import com.jagrosh.jmusicbot.commands.OwnerCommand;
+import net.dv8tion.jda.core.exceptions.RateLimitedException;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class SetnameCmd extends OwnerCommand
+{
+    public SetnameCmd(Bot bot)
+    {
+        this.name = "setname";
+        this.help = "sets the name of the bot";
+        this.arguments = "<name>";
+        this.guildOnly = false;
+    }
+    
+    @Override
+    protected void execute(CommandEvent event) 
+    {
+        try {
+            String oldname = event.getSelfUser().getName();
+            event.getSelfUser().getManager().setName(event.getArgs()).complete(false);
+            event.reply(event.getClient().getSuccess()+" Name changed from `"+oldname+"` to `"+event.getArgs()+"`");
+        } catch(RateLimitedException e) {
+            event.reply(event.getClient().getError()+" Name can only be changed twice per hour!");
+        } catch(Exception e) {
+            event.reply(event.getClient().getError()+" That name is not valid!");
+        }
+    }
+}

src/main/java/com/jagrosh/jmusicbot/commands/owner/SetstatusCmd.java

@@ -0,0 +1,54 @@
+/*
+ * Copyright 2017 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands.owner;
+
+import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jmusicbot.commands.OwnerCommand;
+import net.dv8tion.jda.core.OnlineStatus;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class SetstatusCmd extends OwnerCommand
+{
+    public SetstatusCmd()
+    {
+        this.name = "setstatus";
+        this.help = "sets the status the bot displays";
+        this.arguments = "<status>";
+        this.guildOnly = false;
+    }
+    
+    @Override
+    protected void execute(CommandEvent event) 
+    {
+        try {
+            OnlineStatus status = OnlineStatus.fromKey(event.getArgs());
+            if(status==OnlineStatus.UNKNOWN)
+            {
+                event.replyError("Please include one of the following statuses: `ONLINE`, `IDLE`, `DND`, `INVISIBLE`");
+            }
+            else
+            {
+                event.getJDA().getPresence().setStatus(status);
+                event.replySuccess("Set the status to `"+status.getKey().toUpperCase()+"`");
+            }
+        } catch(Exception e) {
+            event.reply(event.getClient().getError()+" The status could not be set!");
+        }
+    }
+}

src/main/java/com/jagrosh/jmusicbot/commands/owner/ShutdownCmd.java

@@ -1,44 +1,44 @@
-/*
- * Copyright 2017 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot.commands;
-
-import me.jagrosh.jdautilities.commandclient.Command;
-import me.jagrosh.jdautilities.commandclient.CommandEvent;
-import me.jagrosh.jmusicbot.Bot;
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public class ShutdownCmd extends Command {
-
-    private final Bot bot;
-    public ShutdownCmd(Bot bot)
-    {
-        this.bot = bot;
-        this.name = "shutdown";
-        this.help = "safely shuts down";
-        this.ownerCommand = true;
-        this.category = bot.OWNER;
-    }
-    
-    @Override
-    protected void execute(CommandEvent event) {
-        event.reply(event.getClient().getWarning()+" Shutting down...");
-        bot.shutdown();
-    }
-    
-}
+/*
+ * Copyright 2017 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.commands.owner;
+
+import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jmusicbot.Bot;
+import com.jagrosh.jmusicbot.commands.OwnerCommand;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class ShutdownCmd extends OwnerCommand
+{
+    private final Bot bot;
+    
+    public ShutdownCmd(Bot bot)
+    {
+        this.bot = bot;
+        this.name = "shutdown";
+        this.help = "safely shuts down";
+        this.guildOnly = false;
+    }
+    
+    @Override
+    protected void execute(CommandEvent event)
+    {
+        event.replyWarning("Shutting down...");
+        bot.shutdown();
+    }
+}

src/main/java/com/jagrosh/jmusicbot/entities/Pair.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2018 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.entities;
+
+/**
+ *
+ * @author John Grosh (john.a.grosh@gmail.com)
+ * @param <K>
+ * @param <V>
+ */
+public class Pair<K,V>
+{
+    private final K key;
+    private final V value;
+    
+    public Pair(K key, V value)
+    {
+        this.key = key;
+        this.value = value;
+    }
+    
+    public K getKey()
+    {
+        return key;
+    }
+    
+    public V getValue()
+    {
+        return value;
+    }
+}

src/main/java/com/jagrosh/jmusicbot/entities/Prompt.java

@@ -0,0 +1,130 @@
+/*
+ * Copyright 2018 John Grosh (jagrosh)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.entities;
+
+import java.util.Scanner;
+import javax.swing.JOptionPane;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ *
+ * @author John Grosh (john.a.grosh@gmail.com)
+ */
+public class Prompt
+{
+    private final String title;
+    private final String noguiMessage;
+    
+    private boolean nogui;
+    private Scanner scanner;
+    
+    public Prompt(String title)
+    {
+        this(title, null);
+    }
+    
+    public Prompt(String title, String noguiMessage)
+    {
+        this(title, noguiMessage, "true".equalsIgnoreCase(System.getProperty("nogui")));
+    }
+    
+    public Prompt(String title, String noguiMessage, boolean nogui)
+    {
+        this.title = title;
+        this.noguiMessage = noguiMessage == null ? "Switching to nogui mode. You can manually start in nogui mode by including the -Dnogui=true flag." : noguiMessage;
+        this.nogui = nogui;
+    }
+    
+    public boolean isNoGUI()
+    {
+        return nogui;
+    }
+    
+    public void alert(Level level, String context, String message)
+    {
+        if(nogui)
+        {
+            Logger log = LoggerFactory.getLogger(context);
+            switch(level)
+            {
+                case INFO: log.info(message); break;
+                case WARNING: log.warn(message); break;
+                case ERROR: log.error(message); break;
+            }
+        }
+        else
+        {
+            try 
+            {
+                int option = 0;
+                switch(level)
+                {
+                    case INFO: option = JOptionPane.INFORMATION_MESSAGE; break;
+                    case WARNING: option = JOptionPane.WARNING_MESSAGE; break;
+                    case ERROR: option = JOptionPane.ERROR_MESSAGE; break;
+                }
+                JOptionPane.showMessageDialog(null, "<html><body><p style='width: 400px;'>"+message, title, option);
+            }
+            catch(Exception e) 
+            {
+                nogui = true;
+                alert(Level.WARNING, context, noguiMessage);
+                alert(level, context, message);
+            }
+        }
+    }
+    
+    public String prompt(String content)
+    {
+        if(nogui)
+        {
+            if(scanner==null)
+                scanner = new Scanner(System.in);
+            try
+            {
+                System.out.println(content);
+                if(scanner.hasNextLine())
+                    return scanner.nextLine();
+                return null;
+            }
+            catch(Exception e)
+            {
+                alert(Level.ERROR, title, "Unable to read input from command line.");
+                e.printStackTrace();
+                return null;
+            }
+        }
+        else
+        {
+            try 
+            {
+                return JOptionPane.showInputDialog(null, content, title, JOptionPane.QUESTION_MESSAGE);
+            }
+            catch(Exception e) 
+            {
+                nogui = true;
+                alert(Level.WARNING, title, noguiMessage);
+                return prompt(content);
+            }
+        }
+    }
+    
+    public static enum Level
+    {
+        INFO, WARNING, ERROR;
+    }
+}

src/main/java/com/jagrosh/jmusicbot/gui/ConsolePanel.java

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package me.jagrosh.jmusicbot.gui;
+package com.jagrosh.jmusicbot.gui;
 
 import java.awt.Dimension;
 import java.awt.GridLayout;

src/main/java/com/jagrosh/jmusicbot/gui/GUI.java

@@ -1,64 +1,73 @@
-/*
- * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot.gui;
-
-import java.awt.event.WindowEvent;
-import java.awt.event.WindowListener;
-import javax.swing.JFrame;
-import javax.swing.JTabbedPane;
-import javax.swing.WindowConstants;
-import me.jagrosh.jmusicbot.Bot;
-
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public class GUI extends JFrame {
-    
-    private final ConsolePanel console;
-    private final GuildsPanel guilds;
-    private final Bot bot;
-    
-    public GUI(Bot bot) {
-        super();
-        this.bot = bot;
-        console = new ConsolePanel();
-        guilds = new GuildsPanel(bot);
-    }
-    
-    public void init()
-    {
-        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
-        setTitle("JMusicBot");
-        JTabbedPane tabs = new JTabbedPane();
-        //tabs.add("Guilds", guilds);
-        tabs.add("Console", console);
-        getContentPane().add(tabs);
-        pack();
-        setLocationRelativeTo(null);
-        setVisible(true);
-        addWindowListener(new WindowListener() {
-            @Override public void windowOpened(WindowEvent e) {}
-            @Override public void windowClosing(WindowEvent e) {bot.shutdown();}
-            @Override public void windowClosed(WindowEvent e) {}
-            @Override public void windowIconified(WindowEvent e) {}
-            @Override public void windowDeiconified(WindowEvent e) {}
-            @Override public void windowActivated(WindowEvent e) {}
-            @Override public void windowDeactivated(WindowEvent e) {}
-        });
-    }
-}
+/*
+ * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.gui;
+
+import java.awt.event.WindowEvent;
+import java.awt.event.WindowListener;
+import javax.swing.JFrame;
+import javax.swing.JTabbedPane;
+import javax.swing.WindowConstants;
+import com.jagrosh.jmusicbot.Bot;
+
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class GUI extends JFrame 
+{
+    private final ConsolePanel console;
+    private final Bot bot;
+    
+    public GUI(Bot bot) 
+    {
+        super();
+        this.bot = bot;
+        console = new ConsolePanel();
+    }
+    
+    public void init()
+    {
+        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
+        setTitle("JMusicBot");
+        JTabbedPane tabs = new JTabbedPane();
+        tabs.add("Console", console);
+        getContentPane().add(tabs);
+        pack();
+        setLocationRelativeTo(null);
+        setVisible(true);
+        addWindowListener(new WindowListener() 
+        {
+            @Override public void windowOpened(WindowEvent e) {}
+            @Override public void windowClosing(WindowEvent e) 
+            {
+                try
+                {
+                    bot.shutdown();
+                }
+                catch(Exception ex)
+                {
+                    System.exit(0);
+                }
+            }
+            @Override public void windowClosed(WindowEvent e) {}
+            @Override public void windowIconified(WindowEvent e) {}
+            @Override public void windowDeiconified(WindowEvent e) {}
+            @Override public void windowActivated(WindowEvent e) {}
+            @Override public void windowDeactivated(WindowEvent e) {}
+        });
+    }
+}

src/main/java/com/jagrosh/jmusicbot/gui/GuildsPanel.java

@@ -1,111 +1,111 @@
-/*
- * Copyright 2017 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot.gui;
-
-import java.awt.Dimension;
-import java.awt.GridBagConstraints;
-import java.awt.GridBagLayout;
-import java.util.List;
-import javax.swing.DefaultListModel;
-import javax.swing.JList;
-import javax.swing.JPanel;
-import javax.swing.JScrollPane;
-import javax.swing.JTextArea;
-import javax.swing.ListSelectionModel;
-import javax.swing.event.ListSelectionEvent;
-import me.jagrosh.jmusicbot.Bot;
-import me.jagrosh.jmusicbot.audio.AudioHandler;
-import me.jagrosh.jmusicbot.utils.FormatUtil;
-import net.dv8tion.jda.core.entities.Guild;
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public class GuildsPanel extends JPanel {
-    
-    private final Bot bot;
-    private final JList guildList;
-    private final JTextArea guildQueue;
-    private int index = -1;
-    
-    public GuildsPanel(Bot bot)
-    {
-        super();
-        super.setLayout(new GridBagLayout());
-        this.bot = bot;
-        
-        guildList = new JList();
-        guildQueue = new JTextArea();
-        guildList.setModel(new DefaultListModel());
-        guildList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
-        guildList.setFixedCellHeight(20);
-        guildList.setPreferredSize(new Dimension(100,300));
-        guildQueue.setPreferredSize(new Dimension(300,300));
-        guildQueue.setEditable(false);
-        JScrollPane pane = new JScrollPane();
-        JScrollPane pane2 = new JScrollPane();
-        pane.setViewportView(guildList);
-        pane2.setViewportView(guildQueue);
-        GridBagConstraints c = new GridBagConstraints();
-        c.fill = GridBagConstraints.BOTH;
-        c.anchor = GridBagConstraints.LINE_START;
-        c.gridx = 0;
-        c.gridwidth = 1;
-        super.add(pane, c);
-        c.gridx = 1;
-        c.gridwidth = 3;
-        super.add(pane2, c);
-        //bot.registerPanel(this);
-        guildList.addListSelectionListener((ListSelectionEvent e) -> {
-            index = guildList.getSelectedIndex();
-            //bot.updatePanel();
-        });
-    }
-    
-    public void updateList(List<Guild> guilds)
-    {
-        String[] strs = new String[guilds.size()];
-        for(int i=0; i<guilds.size(); i++)
-            strs[i] = guilds.get(i).getName();
-        guildList.setListData(strs);
-    }
-    
-    public int getIndex()
-    {
-        return guildList.getSelectedIndex();
-    }
-    
-    public void updatePanel(AudioHandler handler) {
-        StringBuilder builder = new StringBuilder("Now Playing: ");
-        if(handler==null || handler.getCurrentTrack()==null)
-        {
-            builder.append("nothing");
-        }
-        else
-        {
-            builder.append(handler.getCurrentTrack().getTrack().getInfo().title)
-                    .append(" [")
-                    .append(FormatUtil.formatTime(handler.getCurrentTrack().getTrack().getDuration()))
-                    .append("]\n");
-            for(int i=0; i<handler.getQueue().size(); i++)
-                builder.append("\n").append(i+1).append(". ").append(handler.getQueue().get(i).getTrack().getInfo().title);
-        }
-        guildQueue.setText(builder.toString());
-        guildQueue.updateUI();
-    }
-    
-}
+/*
+ * Copyright 2017 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.gui;
+
+import java.awt.Dimension;
+import java.awt.GridBagConstraints;
+import java.awt.GridBagLayout;
+import java.util.List;
+import javax.swing.DefaultListModel;
+import javax.swing.JList;
+import javax.swing.JPanel;
+import javax.swing.JScrollPane;
+import javax.swing.JTextArea;
+import javax.swing.ListSelectionModel;
+import javax.swing.event.ListSelectionEvent;
+import com.jagrosh.jmusicbot.Bot;
+import com.jagrosh.jmusicbot.audio.AudioHandler;
+import com.jagrosh.jmusicbot.utils.FormatUtil;
+import net.dv8tion.jda.core.entities.Guild;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class GuildsPanel extends JPanel 
+{
+    private final Bot bot;
+    private final JList guildList;
+    private final JTextArea guildQueue;
+    private int index = -1;
+    
+    public GuildsPanel(Bot bot)
+    {
+        super();
+        super.setLayout(new GridBagLayout());
+        this.bot = bot;
+        
+        guildList = new JList();
+        guildQueue = new JTextArea();
+        guildList.setModel(new DefaultListModel());
+        guildList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
+        guildList.setFixedCellHeight(20);
+        guildList.setPreferredSize(new Dimension(100,300));
+        guildQueue.setPreferredSize(new Dimension(300,300));
+        guildQueue.setEditable(false);
+        JScrollPane pane = new JScrollPane();
+        JScrollPane pane2 = new JScrollPane();
+        pane.setViewportView(guildList);
+        pane2.setViewportView(guildQueue);
+        GridBagConstraints c = new GridBagConstraints();
+        c.fill = GridBagConstraints.BOTH;
+        c.anchor = GridBagConstraints.LINE_START;
+        c.gridx = 0;
+        c.gridwidth = 1;
+        super.add(pane, c);
+        c.gridx = 1;
+        c.gridwidth = 3;
+        super.add(pane2, c);
+        //bot.registerPanel(this);
+        guildList.addListSelectionListener((ListSelectionEvent e) -> {
+            index = guildList.getSelectedIndex();
+            //bot.updatePanel();
+        });
+    }
+    
+    public void updateList(List<Guild> guilds)
+    {
+        String[] strs = new String[guilds.size()];
+        for(int i=0; i<guilds.size(); i++)
+            strs[i] = guilds.get(i).getName();
+        guildList.setListData(strs);
+    }
+    
+    public int getIndex()
+    {
+        return guildList.getSelectedIndex();
+    }
+    
+    /*public void updatePanel(AudioHandler handler) {
+        StringBuilder builder = new StringBuilder("Now Playing: ");
+        if(handler==null || handler.getCurrentTrack()==null)
+        {
+            builder.append("nothing");
+        }
+        else
+        {
+            builder.append(handler.getCurrentTrack().getTrack().getInfo().title)
+                    .append(" [")
+                    .append(FormatUtil.formatTime(handler.getCurrentTrack().getTrack().getDuration()))
+                    .append("]\n");
+            for(int i=0; i<handler.getQueue().size(); i++)
+                builder.append("\n").append(i+1).append(". ").append(handler.getQueue().get(i).getTrack().getInfo().title);
+        }
+        guildQueue.setText(builder.toString());
+        guildQueue.updateUI();
+    }*/
+    
+}

src/main/java/com/jagrosh/jmusicbot/gui/TextAreaOutputStream.java

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package me.jagrosh.jmusicbot.gui;
+package com.jagrosh.jmusicbot.gui;
 
 import java.awt.*;
 import java.io.*;

src/main/java/com/jagrosh/jmusicbot/playlist/PlaylistLoader.java

@@ -0,0 +1,306 @@
+/*
+ * Copyright 2018 John Grosh (jagrosh).
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.playlist;
+
+import com.jagrosh.jmusicbot.BotConfig;
+import com.sedmelluq.discord.lavaplayer.player.AudioLoadResultHandler;
+import com.sedmelluq.discord.lavaplayer.player.AudioPlayerManager;
+import com.sedmelluq.discord.lavaplayer.tools.FriendlyException;
+import com.sedmelluq.discord.lavaplayer.track.AudioPlaylist;
+import com.sedmelluq.discord.lavaplayer.track.AudioTrack;
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.*;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+
+/**
+ *
+ * @author John Grosh (john.a.grosh@gmail.com)
+ */
+public class PlaylistLoader
+{
+    private final BotConfig config;
+    
+    public PlaylistLoader(BotConfig config)
+    {
+        this.config = config;
+    }
+    
+    public List<String> getPlaylistNames()
+    {
+        if(folderExists())
+        {
+            File folder = new File(config.getPlaylistsFolder());
+            return Arrays.asList(folder.listFiles((pathname) -> pathname.getName().endsWith(".txt")))
+                    .stream().map(f -> f.getName().substring(0,f.getName().length()-4)).collect(Collectors.toList());
+        }
+        else
+        {
+            createFolder();
+            return Collections.EMPTY_LIST;
+        }
+    }
+    
+    public void createFolder()
+    {
+        try
+        {
+            Files.createDirectory(Paths.get(config.getPlaylistsFolder()));
+        } 
+        catch (IOException ex) {}
+    }
+    
+    public boolean folderExists()
+    {
+        return Files.exists(Paths.get(config.getPlaylistsFolder()));
+    }
+    
+    public void createPlaylist(String name) throws IOException
+    {
+        Files.createFile(Paths.get(config.getPlaylistsFolder()+File.separator+name+".txt"));
+    }
+    
+    public void deletePlaylist(String name) throws IOException
+    {
+        Files.delete(Paths.get(config.getPlaylistsFolder()+File.separator+name+".txt"));
+    }
+    
+    public void writePlaylist(String name, String text) throws IOException
+    {
+        Files.write(Paths.get(config.getPlaylistsFolder()+File.separator+name+".txt"), text.trim().getBytes());
+    }
+    
+    public Playlist getPlaylist(String name)
+    {
+        if(!getPlaylistNames().contains(name))
+            return null;
+        try
+        {
+            if(folderExists())
+            {
+                boolean[] shuffle = {false};
+                List<String> list = new ArrayList<>();
+                Files.readAllLines(Paths.get(config.getPlaylistsFolder()+File.separator+name+".txt")).forEach(str -> 
+                {
+                    String s = str.trim();
+                    if(s.isEmpty())
+                        return;
+                    if(s.startsWith("#") || s.startsWith("//"))
+                    {
+                        s = s.replaceAll("\\s+", "");
+                        if(s.equalsIgnoreCase("#shuffle") || s.equalsIgnoreCase("//shuffle"))
+                            shuffle[0]=true;
+                    }
+                    else
+                        list.add(s);
+                });
+                if(shuffle[0])
+                    shuffle(list);
+                return new Playlist(name, list, shuffle[0]);
+            }
+            else
+            {
+                createFolder();
+                return null;
+            }
+        }
+        catch(IOException e)
+        {
+            return null;
+        }
+    }
+    
+    
+    private static <T> void shuffle(List<T> list)
+    {
+        for(int first =0; first<list.size(); first++)
+        {
+            int second = (int)(Math.random()*list.size());
+            T tmp = list.get(first);
+            list.set(first, list.get(second));
+            list.set(second, tmp);
+        }
+    }
+    
+    
+    public class Playlist
+    {
+        private final String name;
+        private final List<String> items;
+        private final boolean shuffle;
+        private final List<AudioTrack> tracks = new LinkedList<>();
+        private final List<PlaylistLoadError> errors = new LinkedList<>();
+        private boolean loaded = false;
+        
+        private Playlist(String name, List<String> items, boolean shuffle)
+        {
+            this.name = name;
+            this.items = items;
+            this.shuffle = shuffle;
+        }
+        
+        public void loadTracks(AudioPlayerManager manager, Consumer<AudioTrack> consumer, Runnable callback)
+        {
+            if(!loaded)
+            {
+                loaded = true;
+                for(int i=0; i<items.size(); i++)
+                {
+                    boolean last = i+1==items.size();
+                    int index = i;
+                    manager.loadItemOrdered(name, items.get(i), new AudioLoadResultHandler() 
+                    {
+                        @Override
+                        public void trackLoaded(AudioTrack at) 
+                        {
+                            if(config.isTooLong(at))
+                                errors.add(new PlaylistLoadError(index, items.get(index), "This track is longer than the allowed maximum"));
+                            else
+                            {
+                                at.setUserData(0L);
+                                tracks.add(at);
+                                consumer.accept(at);
+                            }
+                            if(last && callback!=null)
+                                callback.run();
+                        }
+                        
+                        @Override
+                        public void playlistLoaded(AudioPlaylist ap) 
+                        {
+                            if(ap.isSearchResult())
+                            {
+                                if(config.isTooLong(ap.getTracks().get(0)))
+                                    errors.add(new PlaylistLoadError(index, items.get(index), "This track is longer than the allowed maximum"));
+                                else
+                                {
+                                    ap.getTracks().get(0).setUserData(0L);
+                                    tracks.add(ap.getTracks().get(0));
+                                    consumer.accept(ap.getTracks().get(0));
+                                }
+                            }
+                            else if(ap.getSelectedTrack()!=null)
+                            {
+                                if(config.isTooLong(ap.getSelectedTrack()))
+                                    errors.add(new PlaylistLoadError(index, items.get(index), "This track is longer than the allowed maximum"));
+                                else
+                                {
+                                    ap.getSelectedTrack().setUserData(0L);
+                                    tracks.add(ap.getSelectedTrack());
+                                    consumer.accept(ap.getSelectedTrack());
+                                }
+                            }
+                            else
+                            {
+                                List<AudioTrack> loaded = new ArrayList<>(ap.getTracks());
+                                if(shuffle)
+                                    for(int first =0; first<loaded.size(); first++)
+                                    {
+                                        int second = (int)(Math.random()*loaded.size());
+                                        AudioTrack tmp = loaded.get(first);
+                                        loaded.set(first, loaded.get(second));
+                                        loaded.set(second, tmp);
+                                    }
+                                loaded.removeIf(track -> config.isTooLong(track));
+                                loaded.forEach(at -> at.setUserData(0L));
+                                tracks.addAll(loaded);
+                                loaded.forEach(at -> consumer.accept(at));
+                            }
+                            if(last && callback!=null)
+                                callback.run();
+                        }
+
+                        @Override
+                        public void noMatches() 
+                        {
+                            errors.add(new PlaylistLoadError(index, items.get(index), "No matches found."));
+                            if(last && callback!=null)
+                                callback.run();
+                        }
+
+                        @Override
+                        public void loadFailed(FriendlyException fe) 
+                        {
+                            errors.add(new PlaylistLoadError(index, items.get(index), "Failed to load track: "+fe.getLocalizedMessage()));
+                            if(last && callback!=null)
+                                callback.run();
+                        }
+                    });
+                }
+            }
+            if(shuffle)
+                shuffleTracks();
+        }
+        
+        public void shuffleTracks()
+        {
+            if(tracks!=null)
+                shuffle(tracks);
+        }
+        
+        public String getName()
+        {
+            return name;
+        }
+
+        public List<String> getItems()
+        {
+            return items;
+        }
+
+        public List<AudioTrack> getTracks()
+        {
+            return tracks;
+        }
+        
+        public List<PlaylistLoadError> getErrors()
+        {
+            return errors;
+        }
+    }
+    
+    public class PlaylistLoadError
+    {
+        private final int number;
+        private final String item;
+        private final String reason;
+        
+        private PlaylistLoadError(int number, String item, String reason)
+        {
+            this.number = number;
+            this.item = item;
+            this.reason = reason;
+        }
+        
+        public int getIndex()
+        {
+            return number;
+        }
+        
+        public String getItem()
+        {
+            return item;
+        }
+        
+        public String getReason()
+        {
+            return reason;
+        }
+    }
+}

src/main/java/com/jagrosh/jmusicbot/queue/FairQueue.java

@@ -1,108 +1,131 @@
-/*
- * Copyright 2016 John Grosh (jagrosh).
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot.queue;
-
-import java.util.ArrayList;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
-
-/**
- *
- * @author John Grosh (jagrosh)
- */
-public class FairQueue<T extends Queueable> {
-    private final List<T> list = new ArrayList<>();
-    private final Set<String> set = new HashSet<>();
-    
-    public int add(T item)
-    {
-        int lastIndex;
-        for(lastIndex=list.size()-1; lastIndex>-1; lastIndex--)
-            if(list.get(lastIndex).getIdentifier().equals(item.getIdentifier()))
-                break;
-        lastIndex++;
-        set.clear();
-        for(; lastIndex<list.size(); lastIndex++)
-        {
-            if(set.contains(list.get(lastIndex).getIdentifier()))
-                break;
-            set.add(list.get(lastIndex).getIdentifier());
-        }
-        list.add(lastIndex, item);
-        return lastIndex;
-    }
-    
-    public int size()
-    {
-        return list.size();
-    }
-    
-    public T pull()
-    {
-        return list.remove(0);
-    }
-    
-    public boolean isEmpty()
-    {
-        return list.isEmpty();
-    }
-    
-    public List<T> getList()
-    {
-        return list;
-    }
-    
-    public T get(int index)
-    {
-        return list.get(index);
-    }
-    
-    public T remove(int index)
-    {
-        return list.remove(index);
-    }
-    
-    public void clear()
-    {
-        list.clear();
-    }
-    
-    public int shuffle(String identifier)
-    {
-        List<Integer> iset = new ArrayList<>();
-        for(int i=0; i<list.size(); i++)
-        {
-            if(list.get(i).getIdentifier().equals(identifier))
-                iset.add(i);
-        }
-        for(int j=0; j<iset.size(); j++)
-        {
-            int first = iset.get(j);
-            int second = iset.get((int)(Math.random()*iset.size()));
-            T temp = list.get(first);
-            list.set(first, list.get(second));
-            list.set(second, temp);
-        }
-        return iset.size();
-    }
-    
-    public void skip(int number)
-    {
-        for(int i=0; i<number; i++)
-            list.remove(0);
-    }
-}
+/*
+ * Copyright 2016 John Grosh (jagrosh).
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.queue;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+/**
+ *
+ * @author John Grosh (jagrosh)
+ * @param <T>
+ */
+public class FairQueue<T extends Queueable> {
+    private final List<T> list = new ArrayList<>();
+    private final Set<Long> set = new HashSet<>();
+    
+    public int add(T item)
+    {
+        int lastIndex;
+        for(lastIndex=list.size()-1; lastIndex>-1; lastIndex--)
+            if(list.get(lastIndex).getIdentifier()==item.getIdentifier())
+                break;
+        lastIndex++;
+        set.clear();
+        for(; lastIndex<list.size(); lastIndex++)
+        {
+            if(set.contains(list.get(lastIndex).getIdentifier()))
+                break;
+            set.add(list.get(lastIndex).getIdentifier());
+        }
+        list.add(lastIndex, item);
+        return lastIndex;
+    }
+    
+    public void addAt(int index, T item)
+    {
+        if(index >= list.size())
+            list.add(item);
+        else
+            list.add(index, item);
+    }
+    
+    public int size()
+    {
+        return list.size();
+    }
+    
+    public T pull()
+    {
+        return list.remove(0);
+    }
+    
+    public boolean isEmpty()
+    {
+        return list.isEmpty();
+    }
+    
+    public List<T> getList()
+    {
+        return list;
+    }
+    
+    public T get(int index)
+    {
+        return list.get(index);
+    }
+    
+    public T remove(int index)
+    {
+        return list.remove(index);
+    }
+    
+    public int removeAll(long identifier)
+    {
+        int count = 0;
+        for(int i=list.size()-1; i>=0; i--)
+        {
+            if(list.get(i).getIdentifier()==identifier)
+            {
+                list.remove(i);
+                count++;
+            }
+        }
+        return count;
+    }
+    
+    public void clear()
+    {
+        list.clear();
+    }
+    
+    public int shuffle(long identifier)
+    {
+        List<Integer> iset = new ArrayList<>();
+        for(int i=0; i<list.size(); i++)
+        {
+            if(list.get(i).getIdentifier()==identifier)
+                iset.add(i);
+        }
+        for(int j=0; j<iset.size(); j++)
+        {
+            int first = iset.get(j);
+            int second = iset.get((int)(Math.random()*iset.size()));
+            T temp = list.get(first);
+            list.set(first, list.get(second));
+            list.set(second, temp);
+        }
+        return iset.size();
+    }
+    
+    public void skip(int number)
+    {
+        for(int i=0; i<number; i++)
+            list.remove(0);
+    }
+}

src/main/java/com/jagrosh/jmusicbot/queue/Queueable.java

@@ -1,25 +1,25 @@
-/*
- * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot.queue;
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public interface Queueable {
-    
-    public String getIdentifier();
-}
+/*
+ * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.queue;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public interface Queueable {
+    
+    public long getIdentifier();
+}

src/main/java/com/jagrosh/jmusicbot/settings/Settings.java

@@ -0,0 +1,148 @@
+/*
+ * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.settings;
+
+import com.jagrosh.jdautilities.command.GuildSettingsProvider;
+import net.dv8tion.jda.core.entities.Guild;
+import net.dv8tion.jda.core.entities.Role;
+import net.dv8tion.jda.core.entities.TextChannel;
+import net.dv8tion.jda.core.entities.VoiceChannel;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class Settings implements GuildSettingsProvider
+{
+    private final SettingsManager manager;
+    protected long textId;
+    protected long voiceId;
+    protected long roleId;
+    private int volume;
+    private String defaultPlaylist;
+    private boolean repeatMode;
+    
+    public Settings(SettingsManager manager, String textId, String voiceId, String roleId, int volume, String defaultPlaylist, boolean repeatMode)
+    {
+        this.manager = manager;
+        try
+        {
+            this.textId = Long.parseLong(textId);
+        }
+        catch(NumberFormatException e)
+        {
+            this.textId = 0;
+        }
+        try
+        {
+            this.voiceId = Long.parseLong(voiceId);
+        }
+        catch(NumberFormatException e)
+        {
+            this.voiceId = 0;
+        }
+        try
+        {
+            this.roleId = Long.parseLong(roleId);
+        }
+        catch(NumberFormatException e)
+        {
+            this.roleId = 0;
+        }
+        this.volume = volume;
+        this.defaultPlaylist = defaultPlaylist;
+        this.repeatMode = repeatMode;
+    }
+    
+    public Settings(SettingsManager manager, long textId, long voiceId, long roleId, int volume, String defaultPlaylist, boolean repeatMode)
+    {
+        this.manager = manager;
+        this.textId = textId;
+        this.voiceId = voiceId;
+        this.roleId = roleId;
+        this.volume = volume;
+        this.defaultPlaylist = defaultPlaylist;
+        this.repeatMode = repeatMode;
+    }
+    
+    // Getters
+    public TextChannel getTextChannel(Guild guild)
+    {
+        return guild == null ? null : guild.getTextChannelById(textId);
+    }
+    
+    public VoiceChannel getVoiceChannel(Guild guild)
+    {
+        return guild == null ? null : guild.getVoiceChannelById(voiceId);
+    }
+    
+    public Role getRole(Guild guild)
+    {
+        return guild == null ? null : guild.getRoleById(roleId);
+    }
+    
+    public int getVolume()
+    {
+        return volume;
+    }
+    
+    public String getDefaultPlaylist()
+    {
+        return defaultPlaylist;
+    }
+    
+    public boolean getRepeatMode()
+    {
+        return repeatMode;
+    }
+    
+    // Setters
+    public void setTextChannel(TextChannel tc)
+    {
+        this.textId = tc == null ? 0 : tc.getIdLong();
+        this.manager.writeSettings();
+    }
+    
+    public void setVoiceChannel(VoiceChannel vc)
+    {
+        this.voiceId = vc == null ? 0 : vc.getIdLong();
+        this.manager.writeSettings();
+    }
+    
+    public void setDJRole(Role role)
+    {
+        this.roleId = role == null ? 0 : role.getIdLong();
+        this.manager.writeSettings();
+    }
+    
+    public void setVolume(int volume)
+    {
+        this.volume = volume;
+        this.manager.writeSettings();
+    }
+    
+    public void setDefaultPlaylist(String defaultPlaylist)
+    {
+        this.defaultPlaylist = defaultPlaylist;
+        this.manager.writeSettings();
+    }
+    
+    public void setRepeatMode(boolean mode)
+    {
+        this.repeatMode = mode;
+        this.manager.writeSettings();
+    }
+}

src/main/java/com/jagrosh/jmusicbot/settings/SettingsManager.java

@@ -0,0 +1,104 @@
+/*
+ * Copyright 2018 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.settings;
+
+import com.jagrosh.jdautilities.command.GuildSettingsManager;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.HashMap;
+import net.dv8tion.jda.core.entities.Guild;
+import org.json.JSONException;
+import org.json.JSONObject;
+import org.slf4j.LoggerFactory;
+
+/**
+ *
+ * @author John Grosh (john.a.grosh@gmail.com)
+ */
+public class SettingsManager implements GuildSettingsManager
+{
+    private final HashMap<Long,Settings> settings;
+
+    public SettingsManager()
+    {
+        this.settings = new HashMap<>();
+        try {
+            JSONObject loadedSettings = new JSONObject(new String(Files.readAllBytes(Paths.get("serversettings.json"))));
+            loadedSettings.keySet().forEach((id) -> {
+                JSONObject o = loadedSettings.getJSONObject(id);
+                settings.put(Long.parseLong(id), new Settings(this,
+                        o.has("text_channel_id") ? o.getString("text_channel_id") : null,
+                        o.has("voice_channel_id")? o.getString("voice_channel_id"): null,
+                        o.has("dj_role_id")      ? o.getString("dj_role_id")      : null,
+                        o.has("volume")          ? o.getInt("volume")             : 100,
+                        o.has("default_playlist")? o.getString("default_playlist"): null,
+                        o.has("repeat")          ? o.getBoolean("repeat")         : false));
+            });
+        } catch(IOException | JSONException e) {
+            LoggerFactory.getLogger("Settings").warn("Failed to load server settings (this is normal if no settings have been set yet): "+e);
+        }
+    }
+    
+    /**
+     * Gets non-null settings for a Guild
+     * 
+     * @param guild the guild to get settings for
+     * @return the existing settings, or new settings for that guild
+     */
+    @Override
+    public Settings getSettings(Guild guild)
+    {
+        return getSettings(guild.getIdLong());
+    }
+    
+    public Settings getSettings(long guildId)
+    {
+        return settings.computeIfAbsent(guildId, id -> createDefaultSettings());
+    }
+    
+    private Settings createDefaultSettings()
+    {
+        return new Settings(this, 0, 0, 0, 100, null, false);
+    }
+    
+    protected void writeSettings()
+    {
+        JSONObject obj = new JSONObject();
+        settings.keySet().stream().forEach(key -> {
+            JSONObject o = new JSONObject();
+            Settings s = settings.get(key);
+            if(s.textId!=0)
+                o.put("text_channel_id", Long.toString(s.textId));
+            if(s.voiceId!=0)
+                o.put("voice_channel_id", Long.toString(s.voiceId));
+            if(s.roleId!=0)
+                o.put("dj_role_id", Long.toString(s.roleId));
+            if(s.getVolume()!=100)
+                o.put("volume",s.getVolume());
+            if(s.getDefaultPlaylist()!=null)
+                o.put("default_playlist", s.getDefaultPlaylist());
+            if(s.getRepeatMode())
+                o.put("repeat", true);
+            obj.put(Long.toString(key), o);
+        });
+        try {
+            Files.write(Paths.get("serversettings.json"), obj.toString(4).getBytes());
+        } catch(IOException ex){
+            LoggerFactory.getLogger("Settings").warn("Failed to write to file: "+ex);
+        }
+    }
+}

src/main/java/com/jagrosh/jmusicbot/utils/FormatUtil.java

@@ -1,116 +1,114 @@
-/*
- * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot.utils;
-
-import com.sedmelluq.discord.lavaplayer.track.AudioTrack;
-import java.util.List;
-import me.jagrosh.jmusicbot.audio.AudioHandler;
-import net.dv8tion.jda.core.JDA;
-import net.dv8tion.jda.core.entities.Role;
-import net.dv8tion.jda.core.entities.TextChannel;
-import net.dv8tion.jda.core.entities.User;
-import net.dv8tion.jda.core.entities.VoiceChannel;
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public class FormatUtil {
-    
-    public static String formatTime(long duration)
-    {
-        if(duration == Long.MAX_VALUE)
-            return "LIVE";
-        long seconds = Math.round(duration/1000.0);
-        long hours = seconds/(60*60);
-        seconds %= 60*60;
-        long minutes = seconds/60;
-        seconds %= 60;
-        return (hours>0 ? hours+":" : "") + (minutes<10 ? "0"+minutes : minutes) + ":" + (seconds<10 ? "0"+seconds : seconds);
-    }
-    
-    public static String formattedAudio(AudioHandler handler, JDA jda, boolean inTopic)
-    {
-        if(handler==null)
-            return "No music playing\n\u23F9 "+progressBar(-1)+" "+volumeIcon(100);
-        else if (handler.getCurrentTrack()==null)
-            return "No music playing\n\u23F9 "+progressBar(-1)+" "+volumeIcon(handler.getPlayer().getVolume());
-        else
-        {
-            String userid = handler.getCurrentTrack().getIdentifier();
-            User user = jda.getUserById(userid);
-            AudioTrack track = handler.getCurrentTrack().getTrack();
-            String title = track.getInfo().title;
-            if(inTopic && title.length()>30)
-                title = title.substring(0,27)+"...";
-            double progress = (double)track.getPosition()/track.getDuration();
-            String str = "**"+title+"** ["+(user==null||inTopic ? "<@"+userid+">" : user.getName())+"]\n\u25B6 "+progressBar(progress)
-                    +" "+(inTopic ? "" : "`")+"["+formatTime(track.getPosition()) + "/" + formatTime(track.getDuration())
-                    +"]"+(inTopic ? "" : "`")+" " +volumeIcon(handler.getPlayer().getVolume());
-            return str;
-        }
-    }
-    
-    private static String progressBar(double percent)
-    {
-        String str = "";
-        for(int i=0; i<10; i++)
-            if(i == (int)(percent*10))
-                str+="\uD83D\uDD18";
-            else
-                str+="▬";
-        return str;
-    }
-    
-    public static String volumeIcon(int volume)
-    {
-        if(volume == 0)
-            return "\uD83D\uDD07";
-        if(volume < 30)
-            return "\uD83D\uDD08";
-        if(volume < 70)
-            return "\uD83D\uDD09";
-        return "\uD83D\uDD0A";
-    }
-    
-    public static String listOfTChannels(List<TextChannel> list, String query)
-    {
-        String out = " Multiple text channels found matching \""+query+"\":";
-        for(int i=0; i<6 && i<list.size(); i++)
-            out+="\n - "+list.get(i).getName()+" (<#"+list.get(i).getId()+">)";
-        if(list.size()>6)
-            out+="\n**And "+(list.size()-6)+" more...**";
-        return out;
-    }
-    public static String listOfVChannels(List<VoiceChannel> list, String query)
-    {
-        String out = " Multiple voice channels found matching \""+query+"\":";
-        for(int i=0; i<6 && i<list.size(); i++)
-            out+="\n - "+list.get(i).getName()+" (ID:"+list.get(i).getId()+")";
-        if(list.size()>6)
-            out+="\n**And "+(list.size()-6)+" more...**";
-        return out;
-    }
-    public static String listOfRoles(List<Role> list, String query)
-    {
-        String out = " Multiple text channels found matching \""+query+"\":";
-        for(int i=0; i<6 && i<list.size(); i++)
-            out+="\n - "+list.get(i).getName()+" (ID:"+list.get(i).getId()+")";
-        if(list.size()>6)
-            out+="\n**And "+(list.size()-6)+" more...**";
-        return out;
-    }
-}
+/*
+ * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.utils;
+
+import java.util.List;
+import net.dv8tion.jda.core.entities.Role;
+import net.dv8tion.jda.core.entities.TextChannel;
+import net.dv8tion.jda.core.entities.VoiceChannel;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class FormatUtil {
+    
+    public static String formatTime(long duration)
+    {
+        if(duration == Long.MAX_VALUE)
+            return "LIVE";
+        long seconds = Math.round(duration/1000.0);
+        long hours = seconds/(60*60);
+        seconds %= 60*60;
+        long minutes = seconds/60;
+        seconds %= 60;
+        return (hours>0 ? hours+":" : "") + (minutes<10 ? "0"+minutes : minutes) + ":" + (seconds<10 ? "0"+seconds : seconds);
+    }
+    
+    /*public static String embedFormat(AudioHandler handler)
+    {
+        if(handler==null)
+            return "No music playing\n\u23F9 "+progressBar(-1)+" "+volumeIcon(100);
+        else if (!handler.isMusicPlaying())
+            return "No music playing\n\u23F9 "+progressBar(-1)+" "+volumeIcon(handler.getPlayer().getVolume());
+        else
+        {
+            AudioTrack track = handler.getPlayer().getPlayingTrack();
+            double progress = (double)track.getPosition()/track.getDuration();
+            return (handler.getPlayer().isPaused()?"\u23F8":"\u25B6")
+                    +" "+progressBar(progress)
+                    +" `["+formatTime(track.getPosition()) + "/" + formatTime(track.getDuration()) +"]` "
+                    +volumeIcon(handler.getPlayer().getVolume());
+        }
+    }//*/
+        
+    public static String progressBar(double percent)
+    {
+        String str = "";
+        for(int i=0; i<12; i++)
+            if(i == (int)(percent*12))
+                str+="\uD83D\uDD18";
+            else
+                str+="▬";
+        return str;
+    }
+    
+    public static String volumeIcon(int volume)
+    {
+        if(volume == 0)
+            return "\uD83D\uDD07";
+        if(volume < 30)
+            return "\uD83D\uDD08";
+        if(volume < 70)
+            return "\uD83D\uDD09";
+        return "\uD83D\uDD0A";
+    }
+    
+    public static String listOfTChannels(List<TextChannel> list, String query)
+    {
+        String out = " Multiple text channels found matching \""+query+"\":";
+        for(int i=0; i<6 && i<list.size(); i++)
+            out+="\n - "+list.get(i).getName()+" (<#"+list.get(i).getId()+">)";
+        if(list.size()>6)
+            out+="\n**And "+(list.size()-6)+" more...**";
+        return out;
+    }
+    
+    public static String listOfVChannels(List<VoiceChannel> list, String query)
+    {
+        String out = " Multiple voice channels found matching \""+query+"\":";
+        for(int i=0; i<6 && i<list.size(); i++)
+            out+="\n - "+list.get(i).getName()+" (ID:"+list.get(i).getId()+")";
+        if(list.size()>6)
+            out+="\n**And "+(list.size()-6)+" more...**";
+        return out;
+    }
+    
+    public static String listOfRoles(List<Role> list, String query)
+    {
+        String out = " Multiple text channels found matching \""+query+"\":";
+        for(int i=0; i<6 && i<list.size(); i++)
+            out+="\n - "+list.get(i).getName()+" (ID:"+list.get(i).getId()+")";
+        if(list.size()>6)
+            out+="\n**And "+(list.size()-6)+" more...**";
+        return out;
+    }
+    
+    public static String filter(String input)
+    {
+        return input.replace("@everyone", "@\u0435veryone").replace("@here", "@h\u0435re").trim();
+    }
+}

src/main/java/com/jagrosh/jmusicbot/utils/OtherUtil.java

@@ -0,0 +1,143 @@
+/*
+ * Copyright 2018 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot.utils;
+
+import com.jagrosh.jmusicbot.JMusicBot;
+import com.jagrosh.jmusicbot.entities.Prompt;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.Reader;
+import java.net.URL;
+import java.net.URLConnection;
+import net.dv8tion.jda.core.OnlineStatus;
+import net.dv8tion.jda.core.entities.Game;
+import okhttp3.*;
+import org.json.JSONException;
+import org.json.JSONObject;
+import org.json.JSONTokener;
+
+/**
+ *
+ * @author John Grosh <john.a.grosh@gmail.com>
+ */
+public class OtherUtil
+{
+    public final static String NEW_VERSION_AVAILABLE = "There is a new version of JMusicBot available!\n"
+                    + "Current version: %s\n"
+                    + "New Version: %s\n\n"
+                    + "Please visit https://github.com/jagrosh/MusicBot/releases/latest to get the latest release.";
+    
+    public static InputStream imageFromUrl(String url)
+    {
+        if(url==null)
+            return null;
+        try 
+        {
+            URL u = new URL(url);
+            URLConnection urlConnection = u.openConnection();
+            urlConnection.setRequestProperty("user-agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36");
+            return urlConnection.getInputStream();
+        }
+        catch(IOException|IllegalArgumentException e) {}
+        return null;
+    }
+    
+    public static Game parseGame(String game)
+    {
+        if(game==null || game.trim().isEmpty() || game.trim().equalsIgnoreCase("default"))
+            return null;
+        String lower = game.toLowerCase();
+        if(lower.startsWith("playing"))
+            return Game.playing(game.substring(7).trim());
+        if(lower.startsWith("listening to"))
+            return Game.listening(game.substring(12).trim());
+        if(lower.startsWith("listening"))
+            return Game.listening(game.substring(9).trim());
+        if(lower.startsWith("watching"))
+            return Game.watching(game.substring(8).trim());
+        if(lower.startsWith("streaming"))
+        {
+            String[] parts = game.substring(9).trim().split("\\s+", 2);
+            if(parts.length == 2)
+            {
+                return Game.streaming(parts[1], "https://twitch.tv/"+parts[0]);
+            }
+        }
+        return Game.playing(game);
+    }
+    
+    public static OnlineStatus parseStatus(String status)
+    {
+        if(status==null || status.trim().isEmpty())
+            return OnlineStatus.ONLINE;
+        OnlineStatus st = OnlineStatus.fromKey(status);
+        return st == null ? OnlineStatus.ONLINE : st;
+    }
+    
+    public static String checkVersion(Prompt prompt)
+    {
+        // Get current version number
+        String version = getCurrentVersion();
+        
+        // Check for new version
+        String latestVersion = getLatestVersion();
+        
+        if(latestVersion!=null && !latestVersion.equals(version))
+        {
+            prompt.alert(Prompt.Level.WARNING, "Version", String.format(NEW_VERSION_AVAILABLE, version, latestVersion));
+        }
+        
+        // Return the current version
+        return version;
+    }
+    
+    public static String getCurrentVersion()
+    {
+        if(JMusicBot.class.getPackage()!=null && JMusicBot.class.getPackage().getImplementationVersion()!=null)
+            return JMusicBot.class.getPackage().getImplementationVersion();
+        else
+            return "UNKNOWN";
+    }
+    
+    public static String getLatestVersion()
+    {
+        try
+        {
+            Response response = new OkHttpClient.Builder().build()
+                    .newCall(new Request.Builder().get().url("https://api.github.com/repos/jagrosh/MusicBot/releases/latest").build())
+                    .execute();
+            ResponseBody body = response.body();
+            if(body != null)
+            {
+                try(Reader reader = body.charStream())
+                {
+                    JSONObject obj = new JSONObject(new JSONTokener(reader));
+                    return obj.getString("tag_name");
+                }
+                finally
+                {
+                    response.close();
+                }
+            }
+            else
+                return null;
+        }
+        catch(IOException | JSONException | NullPointerException ex)
+        {
+            return null;
+        }
+    }
+}

src/main/java/me/jagrosh/jmusicbot/Bot.java

@@ -1,332 +0,0 @@
-/*
- * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot;
-
-import com.sedmelluq.discord.lavaplayer.player.AudioPlayer;
-import com.sedmelluq.discord.lavaplayer.player.AudioPlayerManager;
-import com.sedmelluq.discord.lavaplayer.player.DefaultAudioPlayerManager;
-import com.sedmelluq.discord.lavaplayer.source.AudioSourceManagers;
-import com.sedmelluq.discord.lavaplayer.track.AudioTrack;
-import java.io.IOException;
-import java.nio.file.Files;
-import java.nio.file.Paths;
-import java.util.HashMap;
-import java.util.concurrent.Executors;
-import java.util.concurrent.ScheduledExecutorService;
-import java.util.concurrent.TimeUnit;
-import me.jagrosh.jdautilities.commandclient.Command.Category;
-import me.jagrosh.jdautilities.commandclient.CommandEvent;
-import me.jagrosh.jdautilities.waiter.EventWaiter;
-import me.jagrosh.jmusicbot.audio.AudioHandler;
-import me.jagrosh.jmusicbot.gui.GUI;
-import me.jagrosh.jmusicbot.utils.FormatUtil;
-import net.dv8tion.jda.core.JDA;
-import net.dv8tion.jda.core.Permission;
-import net.dv8tion.jda.core.entities.Guild;
-import net.dv8tion.jda.core.entities.Role;
-import net.dv8tion.jda.core.entities.TextChannel;
-import net.dv8tion.jda.core.entities.VoiceChannel;
-import net.dv8tion.jda.core.events.ReadyEvent;
-import net.dv8tion.jda.core.events.ShutdownEvent;
-import net.dv8tion.jda.core.hooks.ListenerAdapter;
-import net.dv8tion.jda.core.utils.PermissionUtil;
-import net.dv8tion.jda.core.utils.SimpleLog;
-import org.json.JSONException;
-import org.json.JSONObject;
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public class Bot extends ListenerAdapter {
-    
-    private final HashMap<String,Settings> settings;
-    private final AudioPlayerManager manager;
-    private final EventWaiter waiter;
-    private final ScheduledExecutorService threadpool;
-    private JDA jda;
-    private GUI gui;
-    //private GuildsPanel panel;
-    public final Category MUSIC = new Category("Music");
-    public final Category DJ = new Category("DJ", event -> 
-    {
-        if(event.getAuthor().getId().equals(event.getClient().getOwnerId()))
-            return true;
-        if(event.getGuild()==null)
-            return true;
-        if(PermissionUtil.checkPermission(event.getGuild(), event.getMember(), Permission.MANAGE_SERVER))
-            return true;
-        Role dj = event.getGuild().getRoleById(getSettings(event.getGuild()).getRoleId());
-        return event.getMember().getRoles().contains(dj);
-    });
-    public final Category ADMIN = new Category("Admin", event -> 
-    {
-        if(event.getAuthor().getId().equals(event.getClient().getOwnerId()))
-            return true;
-        if(event.getGuild()==null)
-            return true;
-        return PermissionUtil.checkPermission(event.getGuild(), event.getMember(), Permission.MANAGE_SERVER);
-    });
-    public final Category OWNER = new Category("Owner");
-    
-    public Bot(EventWaiter waiter)
-    {
-        this.waiter = waiter;
-        this.settings = new HashMap<>();
-        manager = new DefaultAudioPlayerManager();
-        threadpool = Executors.newSingleThreadScheduledExecutor();
-        AudioSourceManagers.registerRemoteSources(manager);
-        try {
-            JSONObject loadedSettings = new JSONObject(new String(Files.readAllBytes(Paths.get("serversettings.json"))));
-            for(String id: loadedSettings.keySet())
-            {
-                JSONObject o = loadedSettings.getJSONObject(id);
-                settings.put(id, new Settings(o.has("text_channel_id")?o.getString("text_channel_id"):null,
-                                              o.has("voice_channel_id")?o.getString("voice_channel_id"):null,
-                                              o.has("dj_role_id")?o.getString("dj_role_id"):null));
-            }
-        } catch(IOException | JSONException e) {
-            SimpleLog.getLog("Settings").warn("Failed to load server settings: "+e);
-        }
-    }
-    
-    public EventWaiter getWaiter()
-    {
-        return waiter;
-    }
-    
-    public AudioPlayerManager getAudioManager()
-    {
-        return manager;
-    }
-    
-    public int queueTrack(CommandEvent event, AudioTrack track)
-    {
-        return setUpHandler(event).addTrack(track, event.getAuthor());
-    }
-    
-    public AudioHandler setUpHandler(CommandEvent event)
-    {
-        AudioHandler handler;
-        if(event.getGuild().getAudioManager().getSendingHandler()==null)
-        {
-            AudioPlayer player = manager.createPlayer();
-            handler = new AudioHandler(player, event.getGuild());
-            player.addListener(handler);
-            event.getGuild().getAudioManager().setSendingHandler(handler);
-            threadpool.scheduleWithFixedDelay(() -> updateTopic(event.getGuild(),handler), 0, 5, TimeUnit.SECONDS);
-        }
-        else
-        {
-            handler = (AudioHandler)event.getGuild().getAudioManager().getSendingHandler();
-        }
-        return handler;
-    }
-    
-    private void updateTopic(Guild guild, AudioHandler handler)
-    {
-        TextChannel tchan = guild.getTextChannelById(getSettings(guild).getTextId());
-        if(tchan!=null && PermissionUtil.checkPermission(tchan, guild.getSelfMember(), Permission.MANAGE_CHANNEL))
-        {
-            String otherText;
-            if(tchan.getTopic()==null || tchan.getTopic().isEmpty())
-                otherText = "";
-            else if(tchan.getTopic().contains("\u200B"))
-                otherText = tchan.getTopic().substring(tchan.getTopic().indexOf("\u200B"));
-            else
-                otherText = "\u200B\n "+tchan.getTopic();
-            String text = FormatUtil.formattedAudio(handler, guild.getJDA(), true)+otherText;
-            if(!text.equals(tchan.getTopic()))
-                tchan.getManager().setTopic(text).queue();
-        }
-    }
-
-    public void shutdown(){
-        manager.shutdown();
-        threadpool.shutdownNow();
-        jda.getGuilds().stream().forEach(g -> {
-            g.getAudioManager().closeAudioConnection();
-            AudioHandler ah = (AudioHandler)g.getAudioManager().getSendingHandler();
-            if(ah!=null)
-            {
-                ah.getQueue().clear();
-                ah.getPlayer().destroy();
-                updateTopic(g, ah);
-            }
-        });
-        jda.shutdown();
-    }
-
-    public void setGUI(GUI gui)
-    {
-        this.gui = gui;
-    }
-    
-    @Override
-    public void onShutdown(ShutdownEvent event) {
-        if(gui!=null)
-            gui.dispose();
-    }
-
-    @Override
-    public void onReady(ReadyEvent event) {
-        this.jda = event.getJDA();
-        //if(panel!=null)
-        //    panel.updateList(event.getJDA().getGuilds());
-    }
-    
-    
-    // settings
-    
-    public Settings getSettings(Guild guild)
-    {
-        return settings.getOrDefault(guild.getId(), Settings.DEFAULT_SETTINGS);
-    }
-    
-    public void setTextChannel(TextChannel channel)
-    {
-        Settings s = settings.get(channel.getGuild().getId());
-        if(s==null)
-        {
-            settings.put(channel.getGuild().getId(), new Settings(channel.getId(),null,null));
-        }
-        else
-        {
-            s.setTextId(channel.getId());
-        }
-        writeSettings();
-    }
-    
-    public void setVoiceChannel(VoiceChannel channel)
-    {
-        Settings s = settings.get(channel.getGuild().getId());
-        if(s==null)
-        {
-            settings.put(channel.getGuild().getId(), new Settings(null,channel.getId(),null));
-        }
-        else
-        {
-            s.setVoiceId(channel.getId());
-        }
-        writeSettings();
-    }
-    
-    public void setRole(Role role)
-    {
-        Settings s = settings.get(role.getGuild().getId());
-        if(s==null)
-        {
-            settings.put(role.getGuild().getId(), new Settings(null,null,role.getId()));
-        }
-        else
-        {
-            s.setRoleId(role.getId());
-        }
-        writeSettings();
-    }
-    
-    public void clearTextChannel(Guild guild)
-    {
-        Settings s = getSettings(guild);
-        if(s!=null)
-        {
-            if(s.getVoiceId()==null && s.getRoleId()==null)
-                settings.remove(guild.getId());
-            else
-                s.setTextId(null);
-            writeSettings();
-        }
-    }
-    
-    public void clearVoiceChannel(Guild guild)
-    {
-        Settings s = getSettings(guild);
-        if(s!=null)
-        {
-            if(s.getTextId()==null && s.getRoleId()==null)
-                settings.remove(guild.getId());
-            else
-                s.setVoiceId(null);
-            writeSettings();
-        }
-    }
-    
-    public void clearRole(Guild guild)
-    {
-        Settings s = getSettings(guild);
-        if(s!=null)
-        {
-            if(s.getVoiceId()==null && s.getTextId()==null)
-                settings.remove(guild.getId());
-            else
-                s.setRoleId(null);
-            writeSettings();
-        }
-    }
-    
-    private void writeSettings()
-    {
-        JSONObject obj = new JSONObject();
-        settings.keySet().stream().forEach(key -> {
-            JSONObject o = new JSONObject();
-            Settings s = settings.get(key);
-            if(s.getTextId()!=null)
-                o.put("text_channel_id", s.getTextId());
-            if(s.getVoiceId()!=null)
-                o.put("voice_channel_id", s.getVoiceId());
-            if(s.getRoleId()!=null)
-                o.put("dj_role_id", s.getRoleId());
-            obj.put(key, o);
-        });
-        try {
-            Files.write(Paths.get("serversettings.json"), obj.toString(4).getBytes());
-        } catch(IOException ex){
-            SimpleLog.getLog("Settings").warn("Failed to write to file: "+ex);
-        }
-    }
-    
-    //gui stuff
-    /*public void registerPanel(GuildsPanel panel)
-    {
-        this.panel = panel;
-        threadpool.scheduleWithFixedDelay(() -> updatePanel(), 0, 5, TimeUnit.SECONDS);
-    }
-    
-    public void updatePanel()
-    {
-        System.out.println("updating...");
-        Guild guild = jda.getGuilds().get(panel.getIndex());
-        panel.updatePanel((AudioHandler)guild.getAudioManager().getSendingHandler());
-    }
-
-    @Override
-    public void onGuildJoin(GuildJoinEvent event) {
-        if(panel!=null)
-            panel.updateList(event.getJDA().getGuilds());
-    }
-
-    @Override
-    public void onGuildLeave(GuildLeaveEvent event) {
-        if(panel!=null)
-            panel.updateList(event.getJDA().getGuilds());
-    }
-
-    @Override
-    public void onShutdown(ShutdownEvent event) {
-        ((GUI)panel.getTopLevelAncestor()).dispose();
-    }*/
-    
-}

src/main/java/me/jagrosh/jmusicbot/Config.java

@@ -1,177 +0,0 @@
-/*
- * Copyright 2016 John Grosh (jagrosh)
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot;
-
-import java.io.IOException;
-import java.nio.file.Files;
-import java.nio.file.Paths;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Scanner;
-import javax.swing.JOptionPane;
-
-/**
- *
- * @author John Grosh (jagrosh)
- */
-public class Config {
-    private final boolean nogui;
-    private String prefix;
-    private String token;
-    private String owner;
-    private String success;
-    private String warning;
-    private String error;
-    
-    public Config(boolean nogui)
-    {
-        this.nogui = nogui;
-        List<String> lines;
-        try {
-            lines = Files.readAllLines(Paths.get("config.txt"));
-            for(String line: lines)
-            {
-                String[] parts = line.split("=",2);
-                String key = parts[0].trim().toLowerCase();
-                String value = parts.length>1 ? parts[1].trim() : null;
-                switch(key)
-                {
-                    case "token":
-                        token = value;
-                        break;
-                    case "prefix":
-                        prefix = value;
-                        break;
-                    case "owner":
-                        owner = value;
-                        break;
-                    case "success":
-                        success = value;
-                        break;
-                    case "warning":
-                        warning = value;
-                        break;
-                    case "error":
-                        error = value;
-                        break;
-                }
-            }
-        } catch (IOException ex) {
-            alert("'config.txt' was not found!");
-            lines = new LinkedList<>();
-        }
-        boolean write = false;
-        if(token==null || token.isEmpty())
-        {
-            token = prompt("Please provide a bot token."
-                    + "\nInstructions for obtaining a token can be found here:"
-                    + "\nhttps://github.com/jagrosh/MusicBot/wiki/Getting-a-Bot-Token."
-                    + "\nBot Token: ");
-            if(token==null)
-            {
-                alert("No token provided! Exiting.");
-                System.exit(0);
-            }
-            else
-            {
-                lines.add("token="+token);
-                write = true;
-            }
-        }
-        if(owner==null || !owner.matches("\\d{17,20}"))
-        {
-            owner = prompt("Owner ID was missing, or the provided owner ID is not valid."
-                    + "\nPlease provide the User ID of the bot's owner."
-                    + "\nInstructions for obtaining your User ID can be found here:"
-                    + "\nhttps://github.com/jagrosh/MusicBot/wiki/Finding-Your-User-ID"
-                    + "\nOwner User ID: ");
-            if(owner==null || !owner.matches("\\d{17,20}"))
-            {
-                alert("Invalid User ID! Exiting.");
-                System.exit(0);
-            }
-            else
-            {
-                lines.add("owner="+owner);
-                write = true;
-            }
-        }
-        if(write)
-        {
-            StringBuilder builder = new StringBuilder();
-            lines.stream().forEach(s -> builder.append(s).append("\r\n"));
-            try {
-                Files.write(Paths.get("config.txt"), builder.toString().trim().getBytes());
-            } catch(IOException ex) {
-                alert("Failed to write new config options to config.txt: "+ex);
-            }
-        }
-    }
-    
-    public String getPrefix()
-    {
-        return prefix;
-    }
-    
-    public String getToken()
-    {
-        return token;
-    }
-    
-    public String getOwnerId()
-    {
-        return owner;
-    }
-    
-    public String getSuccess()
-    {
-        return success==null ? "\uD83C\uDFB6" : success;
-    }
-    
-    public String getWarning()
-    {
-        return warning==null ? "\uD83D\uDCA1" : warning;
-    }
-    
-    public String getError()
-    {
-        return error==null ? "\uD83D\uDEAB" : error;
-    }
-    
-    private void alert(String message)
-    {
-        if(nogui)
-            System.out.println("[WARNING] "+message);
-        else
-        {
-            JOptionPane.showMessageDialog(null, message, "JMusicBot", JOptionPane.WARNING_MESSAGE);
-        }
-    }
-    
-    private String prompt(String content)
-    {
-        if(nogui)
-        {
-            Scanner scanner = new Scanner(System.in);
-            System.out.println(content);
-            return scanner.next();
-        }
-        else
-        {
-            return JOptionPane.showInputDialog(null, content, "JMusicBot", JOptionPane.WARNING_MESSAGE);
-        }
-    }
-}

src/main/java/me/jagrosh/jmusicbot/JMusicBot.java

@@ -1,121 +0,0 @@
-/*
- * Copyright 2016 John Grosh (jagrosh).
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot;
-
-import java.awt.Color;
-import javax.security.auth.login.LoginException;
-import me.jagrosh.jdautilities.commandclient.CommandClient;
-import me.jagrosh.jdautilities.commandclient.CommandClientBuilder;
-import me.jagrosh.jdautilities.commandclient.examples.*;
-import me.jagrosh.jdautilities.waiter.EventWaiter;
-import me.jagrosh.jmusicbot.commands.*;
-import me.jagrosh.jmusicbot.gui.GUI;
-import net.dv8tion.jda.core.AccountType;
-import net.dv8tion.jda.core.JDABuilder;
-import net.dv8tion.jda.core.OnlineStatus;
-import net.dv8tion.jda.core.Permission;
-import net.dv8tion.jda.core.entities.Game;
-import net.dv8tion.jda.core.exceptions.RateLimitedException;
-import net.dv8tion.jda.core.utils.SimpleLog;
-
-/**
- *
- * @author John Grosh (jagrosh)
- */
-public class JMusicBot {
-    
-    /**
-     * @param args the command line arguments
-     */
-    public static void main(String[] args){
-        // check run mode(s)
-        boolean nogui = false;
-        for(String arg: args)
-            if("-nogui".equalsIgnoreCase(arg))
-                nogui = true;
-        
-        // load config
-        Config config = new Config(nogui);
-        
-        // set up the listener
-        EventWaiter waiter = new EventWaiter();
-        Bot bot = new Bot(waiter);
-        
-        AboutCommand.IS_AUTHOR = false;
-        
-        // set up the command client
-        CommandClient client = new CommandClientBuilder()
-                .setPrefix(config.getPrefix())
-                .setOwnerId(config.getOwnerId())
-                .setEmojis(config.getSuccess(), config.getWarning(), config.getError())
-                .addCommands(
-                        new AboutCommand(Color.BLUE.brighter(),
-                                "a music bot that is [easy to host yourself!](https://github.com/jagrosh/MusicBot)",
-                                new String[]{"High-quality music playback", "FairQueue™ Technology", "Easy to host yourself"},
-                                Permission.MESSAGE_READ, Permission.MESSAGE_WRITE, Permission.MESSAGE_HISTORY, Permission.MESSAGE_ADD_REACTION,
-                                Permission.MESSAGE_EMBED_LINKS, Permission.MESSAGE_ATTACH_FILES, Permission.MESSAGE_MANAGE, Permission.MESSAGE_EXT_EMOJI,
-                                Permission.MANAGE_CHANNEL, Permission.VOICE_CONNECT, Permission.VOICE_SPEAK, Permission.NICKNAME_CHANGE),
-                        new PingCommand(),
-                        new SettingsCmd(bot),
-                        
-                        new NowplayingCmd(bot),
-                        new PlayCmd(bot),
-                        new QueueCmd(bot),
-                        new RemoveCmd(bot),
-                        new SearchCmd(bot),
-                        new ShuffleCmd(bot),
-                        new SkipCmd(bot),
-                        
-                        new ForceskipCmd(bot),
-                        new SkiptoCmd(bot),
-                        new StopCmd(bot),
-                        new VolumeCmd(bot),
-                        
-                        new SetdjCmd(bot),
-                        new SettcCmd(bot),
-                        new SetvcCmd(bot),
-                        
-                        //new GuildlistCommand(waiter),
-                        new SetavatarCmd(bot),
-                        new SetgameCmd(bot),
-                        new SetnameCmd(bot),
-                        new ShutdownCmd(bot)
-                ).build();
-        
-        
-        if(!nogui)
-        {
-            GUI gui = new GUI(bot);
-            bot.setGUI(gui);
-            gui.init();
-        }
-        
-        // attempt to log in and start
-        try {
-            new JDABuilder(AccountType.BOT)
-                    .setToken(config.getToken())
-                    .setAudioEnabled(true)
-                    .setGame(Game.of("loading..."))
-                    .setStatus(OnlineStatus.DO_NOT_DISTURB)
-                    .addListener(client)
-                    .addListener(waiter)
-                    .addListener(bot)
-                    .buildAsync();
-        } catch (LoginException | IllegalArgumentException | RateLimitedException ex) {
-            SimpleLog.getLog("Login").fatal(ex);
-        }
-    }
-}

src/main/java/me/jagrosh/jmusicbot/Settings.java

@@ -1,65 +0,0 @@
-/*
- * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot;
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public class Settings {
-    public final static Settings DEFAULT_SETTINGS = new Settings(null, null, null);
-    
-    private String textId;
-    private String voiceId;
-    private String roleId;
-    
-    public Settings(String textId, String voiceId, String roleId)
-    {
-        this.textId = textId;
-        this.voiceId = voiceId;
-        this.roleId = roleId;
-    }
-    
-    public String getTextId()
-    {
-        return textId;
-    }
-    
-    public String getVoiceId()
-    {
-        return voiceId;
-    }
-    
-    public String getRoleId()
-    {
-        return roleId;
-    }
-    
-    public void setTextId(String id)
-    {
-        this.textId = id;
-    }
-    
-    public void setVoiceId(String id)
-    {
-        this.voiceId = id;
-    }
-    
-    public void setRoleId(String id)
-    {
-        this.roleId = id;
-    }
-}

src/main/java/me/jagrosh/jmusicbot/audio/AudioHandler.java

@@ -1,118 +0,0 @@
-/*
- * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot.audio;
-
-import com.sedmelluq.discord.lavaplayer.player.AudioPlayer;
-import com.sedmelluq.discord.lavaplayer.player.event.AudioEventAdapter;
-import com.sedmelluq.discord.lavaplayer.track.AudioTrack;
-import com.sedmelluq.discord.lavaplayer.track.AudioTrackEndReason;
-import com.sedmelluq.discord.lavaplayer.track.playback.AudioFrame;
-import java.util.HashSet;
-import java.util.Set;
-import me.jagrosh.jmusicbot.queue.FairQueue;
-import net.dv8tion.jda.core.audio.AudioSendHandler;
-import net.dv8tion.jda.core.entities.Guild;
-import net.dv8tion.jda.core.entities.User;
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public class AudioHandler extends AudioEventAdapter implements AudioSendHandler {
-    private final AudioPlayer audioPlayer;
-    private final Guild guild;
-    private final FairQueue<QueuedTrack> queue;
-    private final Set<String> votes;
-    private AudioFrame lastFrame;
-    private QueuedTrack current;
-
-    public AudioHandler(AudioPlayer audioPlayer, Guild guild) {
-      this.audioPlayer = audioPlayer;
-      this.guild = guild;
-      queue = new FairQueue<>();
-      votes = new HashSet<>();
-    }
-
-    public int addTrack(AudioTrack track, User user)
-    {
-        QueuedTrack qt = new QueuedTrack(track, user.getId());
-        if(current==null)
-        {
-            current = qt;
-            audioPlayer.playTrack(track);
-            return -1;
-        }
-        else
-        {
-            return queue.add(qt);
-        }
-    }
-    
-    public QueuedTrack getCurrentTrack()
-    {
-        return current;
-    }
-    
-    public FairQueue<QueuedTrack> getQueue()
-    {
-        return queue;
-    }
-    
-    public Set<String> getVotes()
-    {
-        return votes;
-    }
-    
-    public AudioPlayer getPlayer()
-    {
-        return audioPlayer;
-    }
-    
-    @Override
-    public void onTrackEnd(AudioPlayer player, AudioTrack track, AudioTrackEndReason endReason) {
-        if(queue.isEmpty())
-        {
-            current = null;
-            guild.getAudioManager().closeAudioConnection();
-        }
-        else
-        {
-            current = queue.pull();
-            player.playTrack(current.getTrack());
-        }
-    }
-
-    @Override
-    public void onTrackStart(AudioPlayer player, AudioTrack track) {
-        votes.clear();
-    }
-    
-    @Override
-    public boolean canProvide() {
-      lastFrame = audioPlayer.provide();
-      return lastFrame != null;
-    }
-
-    @Override
-    public byte[] provide20MsAudio() {
-      return lastFrame.data;
-    }
-
-    @Override
-    public boolean isOpus() {
-      return true;
-    }
-}

src/main/java/me/jagrosh/jmusicbot/commands/NowplayingCmd.java

@@ -1,42 +0,0 @@
-/*
- * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot.commands;
-
-import me.jagrosh.jdautilities.commandclient.CommandEvent;
-import me.jagrosh.jmusicbot.Bot;
-import me.jagrosh.jmusicbot.audio.AudioHandler;
-import me.jagrosh.jmusicbot.utils.FormatUtil;
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public class NowplayingCmd extends MusicCommand {
-
-    public NowplayingCmd(Bot bot)
-    {
-        super(bot);
-        this.name = "nowplaying";
-        this.help = "shows the song that is currently playing";
-        this.aliases = new String[]{"np","current"};
-    }
-
-    @Override
-    public void doCommand(CommandEvent event) {
-        event.reply(FormatUtil.formattedAudio((AudioHandler)event.getGuild().getAudioManager().getSendingHandler(), event.getJDA(), false));
-    }
-    
-}

src/main/java/me/jagrosh/jmusicbot/commands/PlayCmd.java

@@ -1,115 +0,0 @@
-/*
- * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot.commands;
-
-import com.sedmelluq.discord.lavaplayer.player.AudioLoadResultHandler;
-import com.sedmelluq.discord.lavaplayer.tools.FriendlyException;
-import com.sedmelluq.discord.lavaplayer.tools.FriendlyException.Severity;
-import com.sedmelluq.discord.lavaplayer.track.AudioPlaylist;
-import com.sedmelluq.discord.lavaplayer.track.AudioTrack;
-import me.jagrosh.jdautilities.commandclient.CommandEvent;
-import me.jagrosh.jmusicbot.Bot;
-import me.jagrosh.jmusicbot.utils.FormatUtil;
-import net.dv8tion.jda.core.entities.Message;
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public class PlayCmd extends MusicCommand {
-
-    public PlayCmd(Bot bot)
-    {
-        super(bot);
-        this.name = "play";
-        this.arguments = "<title|URL>";
-        this.help = "plays the provided song";
-        this.beListening = true;
-        this.bePlaying = false;
-    }
-
-    @Override
-    public void doCommand(CommandEvent event) {
-        if(event.getArgs().isEmpty())
-        {
-            event.reply(event.getClient().getError()+" Please include a url or song title.");
-            return;
-        }
-        String args = event.getArgs().startsWith("<") && event.getArgs().endsWith(">") 
-                ? event.getArgs().substring(1,event.getArgs().length()-1) 
-                : event.getArgs();
-        event.getChannel().sendMessage("\u231A Loading... `["+args+"]`").queue(m -> {
-            bot.getAudioManager().loadItemOrdered(event.getGuild(), args, new ResultHandler(m,event,false));
-        });
-    }
-    
-    private class ResultHandler implements AudioLoadResultHandler {
-        final Message m;
-        final CommandEvent event;
-        final boolean ytsearch;
-        private ResultHandler(Message m, CommandEvent event, boolean ytsearch)
-        {
-            this.m = m;
-            this.event = event;
-            this.ytsearch = ytsearch;
-        }
-        
-        @Override
-        public void trackLoaded(AudioTrack track) {
-            int pos = bot.queueTrack(event, track)+1;
-            m.editMessage(event.getClient().getSuccess()+" Added **"+track.getInfo().title
-                    +"** (`"+FormatUtil.formatTime(track.getDuration())+"`) "+(pos==0 ? "to begin playing" 
-                        : " to the queue at position "+pos)).queue();
-        }
-
-        @Override
-        public void playlistLoaded(AudioPlaylist playlist) {
-            if(playlist.getTracks().size()==1 || playlist.isSearchResult() || playlist.getSelectedTrack()!=null)
-            {
-                AudioTrack single = playlist.getSelectedTrack()==null?playlist.getTracks().get(0):playlist.getSelectedTrack();
-                int pos = bot.queueTrack(event, single)+1;
-                m.editMessage(event.getClient().getSuccess()+" Added **"+single.getInfo().title
-                    +"** (`"+FormatUtil.formatTime(single.getDuration())+"`) "+(pos==0 ? "to begin playing" 
-                        : " to the queue at position "+pos)).queue();
-            }
-            else
-            {
-                m.editMessage(event.getClient().getSuccess()+" Found "
-                        +(playlist.getName()==null?"a playlist":"playlist **"+playlist.getName()+"**")+" with `"
-                        +playlist.getTracks().size()+"` entries; adding to the queue.").queue();
-                playlist.getTracks().stream().forEach((track) -> {
-                    bot.queueTrack(event, track);
-                });
-            }
-        }
-
-        @Override
-        public void noMatches() {
-            if(ytsearch)
-                m.editMessage(event.getClient().getWarning()+" No results found for `"+event.getArgs()+"`.").queue();
-            else
-                bot.getAudioManager().loadItemOrdered(event.getGuild(), "ytsearch:"+event.getArgs(), new ResultHandler(m,event,true));
-        }
-
-        @Override
-        public void loadFailed(FriendlyException throwable) {
-            if(throwable.severity==Severity.COMMON)
-                m.editMessage(event.getClient().getError()+" Error loading: "+throwable.getMessage()).queue();
-            else
-                m.editMessage(event.getClient().getError()+" Error loading track.").queue();
-        }
-    }
-}

src/main/java/me/jagrosh/jmusicbot/commands/QueueCmd.java

@@ -1,84 +0,0 @@
-/*
- * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot.commands;
-
-import java.util.List;
-import java.util.concurrent.TimeUnit;
-import me.jagrosh.jdautilities.commandclient.CommandEvent;
-import me.jagrosh.jdautilities.menu.pagination.PaginatorBuilder;
-import me.jagrosh.jmusicbot.Bot;
-import me.jagrosh.jmusicbot.audio.AudioHandler;
-import me.jagrosh.jmusicbot.audio.QueuedTrack;
-import me.jagrosh.jmusicbot.utils.FormatUtil;
-import net.dv8tion.jda.core.Permission;
-import net.dv8tion.jda.core.exceptions.PermissionException;
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public class QueueCmd extends MusicCommand {
-
-    private final PaginatorBuilder builder;
-    public QueueCmd(Bot bot)
-    {
-        super(bot);
-        this.name = "queue";
-        this.help = "shows the current queue";
-        this.arguments = "[pagenum]";
-        this.aliases = new String[]{"list"};
-        this.bePlaying = true;
-        this.botPermissions = new Permission[]{Permission.MESSAGE_ADD_REACTION,Permission.MESSAGE_EMBED_LINKS};
-        builder = new PaginatorBuilder()
-                .setColumns(1)
-                .setFinalAction(m -> {try{m.clearReactions().queue();}catch(PermissionException e){}})
-                .setItemsPerPage(10)
-                .waitOnSinglePage(false)
-                .useNumberedItems(true)
-                .showPageNumbers(true)
-                .setEventWaiter(bot.getWaiter())
-                .setTimeout(1, TimeUnit.MINUTES)
-                ;
-    }
-
-    @Override
-    public void doCommand(CommandEvent event) {
-        int pagenum = 1;
-        try{
-            pagenum = Integer.parseInt(event.getArgs());
-        }catch(NumberFormatException e){}
-        List<QueuedTrack> list = ((AudioHandler)event.getGuild().getAudioManager().getSendingHandler()).getQueue().getList();
-        if(list.isEmpty())
-        {
-            event.reply(event.getClient().getWarning()+" There is no music in the queue!");
-            return;
-        }
-        String[] songs = new String[list.size()];
-        long total = 0;
-        for(int i=0; i<list.size(); i++)
-        {
-            total += list.get(i).getTrack().getDuration();
-            songs[i] = list.get(i).toString();
-        }
-        builder.setText(event.getClient().getSuccess()+" Current Queue | "+songs.length+" entries | `"+FormatUtil.formatTime(total)+"` ")
-                .setItems(songs)
-                .setUsers(event.getAuthor())
-                .setColor(event.getSelfMember().getColor())
-                ;
-        builder.build().paginate(event.getChannel(), pagenum);
-    }
-    
-}

src/main/java/me/jagrosh/jmusicbot/commands/SearchCmd.java

@@ -1,121 +0,0 @@
-/*
- * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot.commands;
-
-import com.sedmelluq.discord.lavaplayer.player.AudioLoadResultHandler;
-import com.sedmelluq.discord.lavaplayer.tools.FriendlyException;
-import com.sedmelluq.discord.lavaplayer.tools.FriendlyException.Severity;
-import com.sedmelluq.discord.lavaplayer.track.AudioPlaylist;
-import com.sedmelluq.discord.lavaplayer.track.AudioTrack;
-import java.util.concurrent.TimeUnit;
-import me.jagrosh.jdautilities.commandclient.CommandEvent;
-import me.jagrosh.jdautilities.menu.orderedmenu.OrderedMenuBuilder;
-import me.jagrosh.jmusicbot.Bot;
-import me.jagrosh.jmusicbot.utils.FormatUtil;
-import net.dv8tion.jda.core.Permission;
-import net.dv8tion.jda.core.entities.Message;
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public class SearchCmd extends MusicCommand {
-
-    private final OrderedMenuBuilder builder;
-    public SearchCmd(Bot bot)
-    {
-        super(bot);
-        this.name = "search";
-        this.arguments = "<query>";
-        this.help = "searches Youtube for a provided query";
-        this.beListening = true;
-        this.bePlaying = false;
-        this.botPermissions = new Permission[]{Permission.MESSAGE_EMBED_LINKS};
-        builder = new OrderedMenuBuilder()
-                .allowTextInput(true)
-                .useNumbers()
-                .useCancelButton(true)
-                .setEventWaiter(bot.getWaiter())
-                .setTimeout(1, TimeUnit.MINUTES)
-                ;
-    }
-
-    @Override
-    public void doCommand(CommandEvent event) {
-        if(event.getArgs().isEmpty())
-        {
-            event.reply(event.getClient().getError()+" Please include a query.");
-            return;
-        }
-        event.getChannel().sendMessage("\uD83D\uDD0E Searching... `["+event.getArgs()+"]`").queue(m -> {
-            bot.getAudioManager().loadItemOrdered(event.getGuild(), "ytsearch:"+event.getArgs(), new ResultHandler(m,event));
-        });
-    }
-    
-    private class ResultHandler implements AudioLoadResultHandler {
-        final Message m;
-        final CommandEvent event;
-        private ResultHandler(Message m, CommandEvent event)
-        {
-            this.m = m;
-            this.event = event;
-        }
-        
-        @Override
-        public void trackLoaded(AudioTrack track) {
-            int pos = bot.queueTrack(event, track)+1;
-            m.editMessage(event.getClient().getSuccess()+" Added **"+track.getInfo().title
-                    +"** (`"+FormatUtil.formatTime(track.getDuration())+"`) "+(pos==0 ? "to begin playing" 
-                        : " to the queue at position "+pos)).queue();
-        }
-
-        @Override
-        public void playlistLoaded(AudioPlaylist playlist) {
-            builder.setColor(event.getSelfMember().getColor())
-                    .setText(event.getClient().getSuccess()+" Search results for `"+event.getArgs()+"`:")
-                    .setChoices(new String[0])
-                    .setAction(i -> {
-                        AudioTrack track = playlist.getTracks().get(i-1);
-                        int pos = bot.queueTrack(event, track)+1;
-                        event.getChannel().sendMessage(event.getClient().getSuccess()+" Added **"+track.getInfo().title
-                                +"** (`"+FormatUtil.formatTime(track.getDuration())+"`) "+(pos==0 ? "to begin playing" 
-                                    : " to the queue at position "+pos)).queue();
-                    })
-                    .setUsers(event.getAuthor())
-                    ;
-            for(int i=0; i<4&&i<playlist.getTracks().size(); i++)
-            {
-                AudioTrack track = playlist.getTracks().get(i);
-                builder.addChoices("`["+FormatUtil.formatTime(track.getDuration())+"]` [**"
-                        +track.getInfo().title+"**](https://youtu.be/"+track.getIdentifier()+")");
-            }
-            builder.build().display(m);
-        }
-
-        @Override
-        public void noMatches() {
-            m.editMessage(event.getClient().getWarning()+" No results found for `"+event.getArgs()+"`.").queue();
-        }
-
-        @Override
-        public void loadFailed(FriendlyException throwable) {
-            if(throwable.severity==Severity.COMMON)
-                m.editMessage(event.getClient().getError()+" Error loading: "+throwable.getMessage()).queue();
-            else
-                m.editMessage(event.getClient().getError()+" Error loading track.").queue();
-        }
-    }
-}

src/main/java/me/jagrosh/jmusicbot/commands/SetgameCmd.java

@@ -1,49 +0,0 @@
-/*
- * Copyright 2017 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot.commands;
-
-import me.jagrosh.jdautilities.commandclient.Command;
-import me.jagrosh.jdautilities.commandclient.CommandEvent;
-import me.jagrosh.jmusicbot.Bot;
-import net.dv8tion.jda.core.entities.Game;
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public class SetgameCmd extends Command {
-
-    public SetgameCmd(Bot bot)
-    {
-        this.name = "setgame";
-        this.help = "sets the game the bot is playing";
-        this.arguments = "[game]";
-        this.ownerCommand = true;
-        this.category = bot.OWNER;
-    }
-    
-    @Override
-    protected void execute(CommandEvent event) {
-        try {
-            event.getJDA().getPresence().setGame(event.getArgs().isEmpty() ? null : Game.of(event.getArgs()));
-            event.reply(event.getClient().getSuccess()+" **"+event.getSelfUser().getName()
-                    +"** is "+(event.getArgs().isEmpty() ? "no longer playing anything." : "now playing `"+event.getArgs()+"`"));
-        } catch(Exception e) {
-            event.reply(event.getClient().getError()+" The game could not be set!");
-        }
-    }
-    
-}

src/main/java/me/jagrosh/jmusicbot/utils/FinderUtil.java

@@ -1,140 +0,0 @@
-/*
- * Copyright 2016 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot.utils;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-import net.dv8tion.jda.core.entities.Guild;
-import net.dv8tion.jda.core.entities.Role;
-import net.dv8tion.jda.core.entities.TextChannel;
-import net.dv8tion.jda.core.entities.VoiceChannel;
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public class FinderUtil {
-    
-    public static List<TextChannel> findTextChannel(String query, Guild guild)
-    {
-        String id;
-        if(query.matches("<#\\d+>"))
-        {
-            id = query.replaceAll("<#(\\d+)>", "$1");
-            TextChannel tc = guild.getJDA().getTextChannelById(id);
-            if(tc!=null && tc.getGuild().equals(guild))
-                return Collections.singletonList(tc);
-        }
-        ArrayList<TextChannel> exact = new ArrayList<>();
-        ArrayList<TextChannel> wrongcase = new ArrayList<>();
-        ArrayList<TextChannel> startswith = new ArrayList<>();
-        ArrayList<TextChannel> contains = new ArrayList<>();
-        String lowerquery = query.toLowerCase();
-        guild.getTextChannels().stream().forEach((tc) -> {
-            if(tc.getName().equals(lowerquery))
-                exact.add(tc);
-            else if (tc.getName().equalsIgnoreCase(lowerquery) && exact.isEmpty())
-                wrongcase.add(tc);
-            else if (tc.getName().toLowerCase().startsWith(lowerquery) && wrongcase.isEmpty())
-                startswith.add(tc);
-            else if (tc.getName().toLowerCase().contains(lowerquery) && startswith.isEmpty())
-                contains.add(tc);
-        });
-        if(!exact.isEmpty())
-            return exact;
-        if(!wrongcase.isEmpty())
-            return wrongcase;
-        if(!startswith.isEmpty())
-            return startswith;
-        return contains;
-    }
-    
-    public static List<VoiceChannel> findVoiceChannel(String query, Guild guild)
-    {
-        String id;
-        if(query.matches("<#\\d+>"))
-        {
-            id = query.replaceAll("<#(\\d+)>", "$1");
-            VoiceChannel tc = guild.getJDA().getVoiceChannelById(id);
-            if(tc!=null && tc.getGuild().equals(guild))
-                return Collections.singletonList(tc);
-        }
-        ArrayList<VoiceChannel> exact = new ArrayList<>();
-        ArrayList<VoiceChannel> wrongcase = new ArrayList<>();
-        ArrayList<VoiceChannel> startswith = new ArrayList<>();
-        ArrayList<VoiceChannel> contains = new ArrayList<>();
-        String lowerquery = query.toLowerCase();
-        guild.getVoiceChannels().stream().forEach((tc) -> {
-            if(tc.getName().equals(lowerquery))
-                exact.add(tc);
-            else if (tc.getName().equalsIgnoreCase(lowerquery) && exact.isEmpty())
-                wrongcase.add(tc);
-            else if (tc.getName().toLowerCase().startsWith(lowerquery) && wrongcase.isEmpty())
-                startswith.add(tc);
-            else if (tc.getName().toLowerCase().contains(lowerquery) && startswith.isEmpty())
-                contains.add(tc);
-        });
-        if(!exact.isEmpty())
-            return exact;
-        if(!wrongcase.isEmpty())
-            return wrongcase;
-        if(!startswith.isEmpty())
-            return startswith;
-        return contains;
-    }
-    
-    public static List<Role> findRole(String query, Guild guild)
-    {
-        String id;
-        if(query.matches("<@&\\d+>"))
-        {
-            id = query.replaceAll("<@&(\\d+)>", "$1");
-            Role role = guild.getRoleById(id);
-            if(role!=null)
-                return Collections.singletonList(role);
-        }
-        if(query.matches("[Ii][Dd]\\s*:\\s*\\d+"))
-        {
-            id = query.replaceAll("[Ii][Dd]\\s*:\\s*(\\d+)", "$1");
-            for(Role role: guild.getRoles())
-                if(role.getId().equals(id))
-                    return Collections.singletonList(role);
-        }
-        ArrayList<Role> exact = new ArrayList<>();
-        ArrayList<Role> wrongcase = new ArrayList<>();
-        ArrayList<Role> startswith = new ArrayList<>();
-        ArrayList<Role> contains = new ArrayList<>();
-        String lowerQuery = query.toLowerCase();
-        guild.getRoles().stream().forEach((role) -> {
-            if(role.getName().equals(query))
-                exact.add(role);
-            else if (role.getName().equalsIgnoreCase(query) && exact.isEmpty())
-                wrongcase.add(role);
-            else if (role.getName().toLowerCase().startsWith(lowerQuery) && wrongcase.isEmpty())
-                startswith.add(role);
-            else if (role.getName().toLowerCase().contains(lowerQuery) && startswith.isEmpty())
-                contains.add(role);
-        });
-        if(!exact.isEmpty())
-            return exact;
-        if(!wrongcase.isEmpty())
-            return wrongcase;
-        if(!startswith.isEmpty())
-            return startswith;
-        return contains;
-    }
-}

src/main/java/me/jagrosh/jmusicbot/utils/OtherUtil.java

@@ -1,42 +0,0 @@
-/*
- * Copyright 2017 John Grosh <john.a.grosh@gmail.com>.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package me.jagrosh.jmusicbot.utils;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.net.URL;
-import java.net.URLConnection;
-
-/**
- *
- * @author John Grosh <john.a.grosh@gmail.com>
- */
-public class OtherUtil {
-    
-    public static InputStream imageFromUrl(String url)
-    {
-        if(url==null)
-            return null;
-        try {
-            URL u = new URL(url);
-            URLConnection urlConnection = u.openConnection();
-            urlConnection.setRequestProperty("user-agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36");
-            return urlConnection.getInputStream();
-        } catch(IOException|IllegalArgumentException e) {
-        }
-        return null;
-    }
-}

src/main/resources/logback.xml

@@ -0,0 +1,17 @@
+<!-- author: Kaidan Gustave -->
+<configuration>
+
+    <appender name="Simple" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <!-- Pattern -->
+            <pattern>
+                %nopex[%d{HH:mm:ss}] [%level] [%logger{0}]: %msg%n%ex
+            </pattern>
+        </encoder>
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="Simple"/>
+    </root>
+
+</configuration>

src/main/resources/reference.conf

@@ -0,0 +1,125 @@
+/////////////////////////////////////////////////////////
+// Config for the JMusicBot                            //
+/////////////////////////////////////////////////////////
+// Any line starting with // is ignored                //
+// You MUST set the token and owner                    //
+// All other items have defaults if you don't set them //
+// Open in Notepad++ for best results                  //
+/////////////////////////////////////////////////////////
+
+
+// This sets the token for the bot to log in with
+// This MUST be a bot token (user tokens will not work)
+// If you don't know how to get a bot token, please see the guide here:
+// https://github.com/jagrosh/MusicBot/wiki/Getting-a-Bot-Token
+
+token=BOT_TOKEN_HERE
+
+
+// This sets the owner of the bot
+// This needs to be the owner's ID (a 17-18 digit number)
+// https://github.com/jagrosh/MusicBot/wiki/Finding-Your-User-ID
+
+owner=0
+
+
+// This sets the prefix for the bot
+// The prefix is used to control the commands
+// If you use !!, the play command will be !!play
+// If you do not set this, the prefix will be a mention of the bot (@Botname play)
+// If you make this blank, the bot will not use a prefix
+
+prefix="@mention"
+
+
+// If you set this, it modifies the default game of the bot
+// Set this to NONE to have no game
+// Set this to DEFAULT to use the default game
+// You can make the game "Playing X", "Listening to X", or "Watching X"
+// where X is the title. If you don't include an action, it will use the
+// default of "Playing"
+
+game="DEFAULT"
+
+
+// If you set this, it will modify the default status of bot
+// Valid values: ONLINE IDLE DND INVISIBLE
+
+status=ONLINE
+
+
+// If you set this to true, the bot will list the title of the song it is currently playing in its
+// "Playing" status. Note that this will ONLY work if the bot is playing music on ONE guild;
+// if the bot is playing on multiple guilds, this will not work.
+
+songinstatus=false
+
+
+// If you set this, the bot will also use this prefix in addition to
+// the one provided above
+
+altprefix="NONE"
+
+
+// If you set these, it will change the various emojis
+
+success="🎶"
+warning="💡"
+error="🚫"
+loading="⌚"
+searching="🔎"
+
+
+// If you set this, you change the word used to view the help.
+// For example, if you set the prefix to !! and the help to cmds, you would type
+// !!cmds to see the help text
+
+help=help
+
+
+// If you set this, the "nowplaying" command will show youtube thumbnails
+// Note: If you set this to true, the nowplaying boxes will NOT refresh
+// This is because refreshing the boxes causes the image to be reloaded
+// every time it refreshes.
+
+npimages=false
+
+
+// If you set this, the bot will not leave a voice channel after it finishes a queue.
+// Keep in mind that being connected to a voice channel uses additional bandwith,
+// so this option is not recommended if bandwidth is a concern.
+
+stayinchannel=false
+
+
+// This sets the maximum amount of seconds any track loaded can be. If not set or set
+// to any number less than or equal to zero, there is no maximum time length. This time
+// restriction applies to songs loaded from any source.
+
+maxtime=0
+
+
+// This sets an alternative folder to be used as the Playlists folder
+// This can be a relative or absolute path
+
+playlistsfolder=Playlists
+
+
+// By default, the bot will DM the owner if the bot is running and a new version of the bot
+// becomes available. Set this to false to disable this feature.
+
+updatealerts=true
+
+
+// If you set this to true, it will enable the eval command for the bot owner. This command
+// allows the bot owner to run arbitrary code from the bot's account.
+//
+// WARNING:
+// This command can be extremely dangerous. If you don't know what you're doing, you could
+// cause horrific problems on your Discord server or on whatever computer this bot is running
+// on. Never run this command unless you are completely positive what you are running.
+//
+// DO NOT ENABLE THIS IF YOU DON'T KNOW WHAT THIS DOES OR HOW TO USE IT
+// IF SOMEONE ASKS YOU TO ENABLE THIS, THERE IS AN 11/10 CHANCE THEY ARE TRYING TO SCAM YOU
+
+eval=false

src/test/java/com/jagrosh/jmusicbot/QueueTests.java

@@ -0,0 +1,64 @@
+/*
+ * Copyright 2018 John Grosh <john.a.grosh@gmail.com>.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jagrosh.jmusicbot;
+
+import com.jagrosh.jmusicbot.queue.FairQueue;
+import com.jagrosh.jmusicbot.queue.Queueable;
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+/**
+ *
+ * @author John Grosh (john.a.grosh@gmail.com)
+ */
+public class QueueTests
+{
+    @Test
+    public void differentIdentifierSize()
+    {
+        FairQueue<Q> queue = new FairQueue<>();
+        int size = 100;
+        for(int i=0; i<size; i++)
+            queue.add(new Q(i));
+        assertEquals(queue.size(), size);
+    }
+    
+    @Test
+    public void sameIdentifierSize()
+    {
+        FairQueue<Q> queue = new FairQueue<>();
+        int size = 100;
+        for(int i=0; i<size; i++)
+            queue.add(new Q(0));
+        assertEquals(queue.size(), size);
+    }
+    
+    private class Q implements Queueable
+    {
+        private final long identifier;
+        
+        private Q(long identifier)
+        {
+            this.identifier = identifier;
+        }
+        
+        @Override
+        public long getIdentifier()
+        {
+            return identifier;
+        }
+    }
+}