update deps and deal with discords new ratelimits

fix empty game bug

.appveyor.yml

@@ -1,21 +0,0 @@
-version: '{build}'
-os: Windows Server 2012
-install:
-  - ps: |
-      Add-Type -AssemblyName System.IO.Compression.FileSystem
-      if (!(Test-Path -Path "C:\maven" )) {
-        (new-object System.Net.WebClient).DownloadFile(
-          'http://www.us.apache.org/dist/maven/maven-3/3.2.5/binaries/apache-maven-3.2.5-bin.zip',
-          'C:\maven-bin.zip'
-        )
-        [System.IO.Compression.ZipFile]::ExtractToDirectory("C:\maven-bin.zip", "C:\maven")
-      }
-  - cmd: SET M2_HOME=C:\maven\apache-maven-3.2.5
-  - cmd: SET PATH=%SystemRoot%\system32;C:\maven\apache-maven-3.2.5\bin;%JAVA_HOME%\bin;%PATH
-build_script:
-  - mvn clean package --batch-mode -DskipTest
-test_script:
-  - mvn clean install --batch-mode
-cache:
-  - C:\maven\
-  - C:\Users\appveyor\.m2

.github/ISSUE_TEMPLATE/bug-report.md

@@ -22,9 +22,8 @@ A clear and concise description of what you expected to happen.
 **Screenshots**
 If applicable, add screenshots to help explain your problem.
 
-**Version Info (please complete the following information):**
- - Operating System: [e.g. Windows 64bit]
- - JMusicBot Version: [e.g. 0.2.1]
+**Debug Info**
+Please run the `debug` command and paste it here or upload it as an attachment. If you cannot run the command, please provide information about your system such as operating system version, JMusicBot version, etc.
 
 **Additional context**
 Add any other context about the problem here.

.gitignore

@@ -1,6 +1,7 @@
 /nbproject/
 /target/
 /Playlists/
+/test/
 *.json
 *.txt
 nb*.xml

.travis.settings.xml

@@ -1,22 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<settings xsi:schemaLocation='http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd'
-          xmlns='http://maven.apache.org/SETTINGS/1.0.0' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'>
-    <profiles>
-        <profile>
-            <id>bintray</id>
-            <repositories>
-                <repository>
-                    <id>central</id>
-                    <name>bintray</name>
-                    <url>http://jcenter.bintray.com</url>
-                    <snapshots>
-                        <enabled>false</enabled>
-                    </snapshots>
-                </repository>
-            </repositories>
-        </profile>
-    </profiles>
-    <activeProfiles>
-        <activeProfile>bintray</activeProfile>
-    </activeProfiles>
-</settings>

.travis.yml

@@ -1,2 +0,0 @@
-language: java
-install: mvn install -Dmaven.javadoc.skip=true --batch-mode --show-version --settings .travis.settings.xml

README.md

@@ -8,7 +8,6 @@
 [![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)<br>
 [![CircleCI](https://img.shields.io/circleci/project/github/jagrosh/MusicBot/master.svg)](https://circleci.com/gh/jagrosh/MusicBot)
-[![Travis-CI](https://travis-ci.com/jagrosh/MusicBot.svg?branch=master)](https://travis-ci.com/jagrosh/MusicBot)
 [![AppVeyor](https://ci.appveyor.com/api/projects/status/gdu6nyte5psj6xfk/branch/master?svg=true)](https://ci.appveyor.com/project/jagrosh/musicbot/branch/master)
 [![CodeFactor](https://www.codefactor.io/repository/github/jagrosh/musicbot/badge)](https://www.codefactor.io/repository/github/jagrosh/musicbot)
 
@@ -38,7 +37,5 @@ Please see the [Setup Page](https://github.com/jagrosh/MusicBot/wiki/Setup) in t
 ## Questions/Suggestions/Bug Reports
 **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)
 
-
-
 ## 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.
+This bot (and the source code here) might not be easy to edit for inexperienced programmers. The main purpose of having the source public is to show the capabilities of the libraries, to allow others to understand how the bot works, and to allow those knowledgeable about java, JDA, and Discord bot development to contribute. 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 choose to make edits, please do so in accordance with the Apache 2.0 License.

pom.xml

@@ -3,19 +3,19 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.jagrosh</groupId>
     <artifactId>JMusicBot</artifactId>
-    <version>0.2.2</version>
+    <version>Snapshot</version>
     <packaging>jar</packaging>
     
     <repositories>
         <repository>
             <id>central</id>
             <name>bintray</name>
-            <url>http://jcenter.bintray.com</url>
+            <url>https://jcenter.bintray.com</url>
         </repository>
         <repository>
-            <id>bintray-jagrosh-maven</id>
+            <id>bintray-sedmelluq-com.sedmelluq</id>
             <name>bintray</name>
-            <url>https://dl.bintray.com/jagrosh/maven</url>
+            <url>https://dl.bintray.com/sedmelluq/com.sedmelluq</url>
         </repository>
     </repositories>
     
@@ -23,12 +23,17 @@
         <dependency>
             <groupId>net.dv8tion</groupId> 
             <artifactId>JDA</artifactId> 
-            <version>3.8.1_454</version>
+            <version>3.8.3_464</version>
         </dependency>
         <dependency>
             <groupId>com.sedmelluq</groupId>
             <artifactId>lavaplayer</artifactId>
-            <version>1.3.10</version>
+            <version>1.3.49</version>
+        </dependency>
+        <dependency>
+            <groupId>com.sedmelluq</groupId>
+            <artifactId>lavaplayer-natives-extra</artifactId>
+            <version>1.3.13</version>
         </dependency>
         <dependency>
             <groupId>com.jagrosh</groupId>
@@ -39,7 +44,7 @@
         <dependency>
             <groupId>com.jagrosh</groupId>
             <artifactId>JLyrics</artifactId>
-            <version>0.2</version>
+            <version>0.4</version>
         </dependency>
         <dependency>
             <groupId>ch.qos.logback</groupId>
@@ -112,4 +117,4 @@
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
     </properties>
-</project>
+</project>

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

@@ -24,15 +24,10 @@ 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)
@@ -41,6 +36,8 @@ public class BotConfig
 {
     private final Prompt prompt;
     private final static String CONTEXT = "Config";
+    private final static String START_TOKEN = "/// START OF JMUSICBOT CONFIG ///";
+    private final static String END_TOKEN = "/// END OF JMUSICBOT CONFIG ///";
     
     private Path path = null;
     private String token, prefix, altprefix, helpWord, playlistsFolder,
@@ -49,7 +46,9 @@ public class BotConfig
     private long owner, maxSeconds;
     private OnlineStatus status;
     private Game game;
-    
+    private Config aliases;
+
+
     private boolean valid = false;
     
     public BotConfig(Prompt prompt)
@@ -65,7 +64,7 @@ public class BotConfig
         try 
         {
             // get the path to the config, default config.txt
-            path = Paths.get(System.getProperty("config.file", System.getProperty("config", "config.txt")));
+            path = OtherUtil.getPath(System.getProperty("config.file", System.getProperty("config", "config.txt")));
             if(path.toFile().exists())
             {
                 if(System.getProperty("config.file") == null)
@@ -97,10 +96,11 @@ public class BotConfig
             useEval = config.getBoolean("eval");
             maxSeconds = config.getLong("maxtime");
             playlistsFolder = config.getString("playlistsfolder");
+            aliases = config.getConfig("aliases");
             dbots = owner == 113156185389092864L;
             
-            // we may need to get some additional data and write a new config file
-            List<String> lines = new LinkedList<>();
+            // we may need to write a new config file
+            boolean write = false;
 
             // validate bot token
             if(token==null || token.isEmpty() || token.equalsIgnoreCase("BOT_TOKEN_HERE"))
@@ -116,7 +116,7 @@ public class BotConfig
                 }
                 else
                 {
-                    lines.add("token = "+token);
+                    write = true;
                 }
             }
             
@@ -142,17 +142,28 @@ public class BotConfig
                 }
                 else
                 {
-                    lines.add("owner = "+owner);
+                    write = true;
                 }
             }
             
-            if(!lines.isEmpty())
+            if(write)
             {
-                StringBuilder builder = new StringBuilder();
-                lines.stream().forEach(s -> builder.append(s).append("\r\n"));
+                String original = OtherUtil.loadResource(this, "/reference.conf");
+                byte[] bytes;
+                if(original==null)
+                {
+                    bytes = ("token = "+token+"\r\nowner = "+owner).getBytes();
+                }
+                else
+                {
+                    bytes = original.substring(original.indexOf(START_TOKEN)+START_TOKEN.length(), original.indexOf(END_TOKEN))
+                        .replace("BOT_TOKEN_HERE", token)
+                        .replace("0 // OWNER ID", Long.toString(owner))
+                        .trim().getBytes();
+                }
                 try 
                 {
-                    Files.write(path, builder.toString().trim().getBytes());
+                    Files.write(path, bytes);
                 }
                 catch(IOException ex) 
                 {
@@ -292,4 +303,16 @@ public class BotConfig
             return false;
         return Math.round(track.getDuration()/1000.0) > maxSeconds;
     }
+
+    public String[] getAliases(String command)
+    {
+        try
+        {
+            return aliases.getStringList(command).toArray(new String[0]);
+        }
+        catch(NullPointerException | ConfigException.Missing e)
+        {
+            return new String[0];
+        }
+    }
 }

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

@@ -15,7 +15,6 @@
  */
 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.*;
@@ -100,37 +99,41 @@ public class JMusicBot
                 .setGuildSettingsManager(settings)
                 .addCommands(aboutCommand,
                         new PingCommand(),
-                        new SettingsCmd(),
+                        new SettingsCmd(bot),
                         
                         new LyricsCmd(bot),
                         new NowplayingCmd(bot),
-                        new PlayCmd(bot, config.getLoading()),
+                        new PlayCmd(bot),
                         new PlaylistsCmd(bot),
                         new QueueCmd(bot),
                         new RemoveCmd(bot),
-                        new SearchCmd(bot, config.getSearching()),
-                        new SCSearchCmd(bot, config.getSearching()),
+                        new SearchCmd(bot),
+                        new SCSearchCmd(bot),
                         new ShuffleCmd(bot),
                         new SkipCmd(bot),
-                        
+
+                        new ForceRemoveCmd(bot),
                         new ForceskipCmd(bot),
+                        new MoveTrackCmd(bot),
                         new PauseCmd(bot),
-                        new PlaynextCmd(bot, config.getLoading()),
+                        new PlaynextCmd(bot),
                         new RepeatCmd(bot),
                         new SkiptoCmd(bot),
                         new StopCmd(bot),
                         new VolumeCmd(bot),
                         
-                        new SetdjCmd(),
-                        new SettcCmd(),
-                        new SetvcCmd(),
+                        new PrefixCmd(bot),
+                        new SetdjCmd(bot),
+                        new SettcCmd(bot),
+                        new SetvcCmd(bot),
                         
                         new AutoplaylistCmd(bot),
+                        new DebugCmd(bot),
                         new PlaylistCmd(bot),
-                        new SetavatarCmd(),
-                        new SetgameCmd(),
-                        new SetnameCmd(),
-                        new SetstatusCmd(),
+                        new SetavatarCmd(bot),
+                        new SetgameCmd(bot),
+                        new SetnameCmd(bot),
+                        new SetstatusCmd(bot),
                         new ShutdownCmd(bot)
                 );
         if(config.useEval())
@@ -147,7 +150,6 @@ public class JMusicBot
         }
         else
             cb.setGame(config.getGame());
-        CommandClient client = cb.build();
         
         if(!prompt.isNoGUI())
         {
@@ -165,7 +167,7 @@ public class JMusicBot
             }
         }
         
-        log.info("Loaded config from "+config.getConfigLocation());
+        log.info("Loaded config from " + config.getConfigLocation());
         
         // attempt to log in and start
         try
@@ -174,22 +176,24 @@ public class JMusicBot
                     .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))
+                    .setStatus(config.getStatus()==OnlineStatus.INVISIBLE || config.getStatus()==OnlineStatus.OFFLINE 
+                            ? OnlineStatus.INVISIBLE : OnlineStatus.DO_NOT_DISTURB)
+                    .addEventListener(cb.build(), waiter, new Listener(bot))
                     .setBulkDeleteSplittingEnabled(true)
                     .build();
             bot.setJDA(jda);
         }
         catch (LoginException ex)
         {
-            log.error(ex+"\nPlease make sure you are "
+            prompt.alert(Prompt.Level.ERROR, "JMusicBot", ex + "\nPlease make sure you are "
                     + "editing the correct config.txt file, and that you have used the "
-                    + "correct token (not the 'secret'!)");
+                    + "correct token (not the 'secret'!)\nConfig Location: " + config.getConfigLocation());
             System.exit(1);
         }
         catch(IllegalArgumentException ex)
         {
-            log.error("Some aspect of the configuration is invalid: "+ex);
+            prompt.alert(Prompt.Level.ERROR, "JMusicBot", "Some aspect of the configuration is "
+                    + "invalid: " + ex + "\nConfig Location: " + config.getConfigLocation());
             System.exit(1);
         }
     }

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

@@ -166,6 +166,9 @@ public class AudioHandler extends AudioEventAdapter implements AudioSendHandler
                 manager.getBot().getNowplayingHandler().onTrackUpdate(guildId, null, this);
                 if(!manager.getBot().getConfig().getStay())
                     manager.getBot().closeAudioConnection(guildId);
+                // unpause, in the case when the player was paused and the track has been skipped.
+                // this is to prevent the player being paused next time it's being used.
+                player.setPaused(false);
             }
         }
         else

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

@@ -29,6 +29,7 @@ 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;
+import net.dv8tion.jda.core.exceptions.RateLimitedException;
 
 /**
  *
@@ -47,7 +48,8 @@ public class NowplayingHandler
     
     public void init()
     {
-        bot.getThreadpool().scheduleWithFixedDelay(() -> updateAll(), 0, 5, TimeUnit.SECONDS);
+        if(!bot.getConfig().useNPImages())
+            bot.getThreadpool().scheduleWithFixedDelay(() -> updateAll(), 0, 5, TimeUnit.SECONDS);
     }
     
     public void setLastNPMessage(Message m)
@@ -118,12 +120,13 @@ public class NowplayingHandler
             {
                 try 
                 {
-                    if(wait)
-                        tchan.getManager().setTopic(text).complete();
-                    else
-                        tchan.getManager().setTopic(text).queue();
+                    // normally here if 'wait' was false, we'd want to queue, however,
+                    // new discord ratelimits specifically limiting changing channel topics
+                    // mean we don't want a backlog of changes piling up, so if we hit a 
+                    // ratelimit, we just won't change the topic this time
+                    tchan.getManager().setTopic(text).complete(wait);
                 } 
-                catch(PermissionException ignore) {}
+                catch(PermissionException | RateLimitedException ignore) {}
             }
         }
     }

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

@@ -15,6 +15,7 @@
  */
 package com.jagrosh.jmusicbot.commands;
 
+import com.jagrosh.jdautilities.command.CommandEvent;
 import com.jagrosh.jmusicbot.Bot;
 import com.jagrosh.jmusicbot.settings.Settings;
 import net.dv8tion.jda.core.Permission;
@@ -29,17 +30,19 @@ 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());
-        });
+        this.category = new Category("DJ", event -> checkDJPermission(event));
+    }
+    
+    public static boolean checkDJPermission(CommandEvent 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

@@ -73,6 +73,14 @@ public abstract class MusicCommand extends Command
                 event.replyError("You must be listening in "+(current==null ? "a voice channel" : "**"+current.getName()+"**")+" to use that!");
                 return;
             }
+
+            VoiceChannel afkChannel = userState.getGuild().getAfkChannel();
+            if(afkChannel != null && afkChannel.equals(userState.getChannel()))
+            {
+                event.replyError("You cannot use that command in an AFK channel!");
+                return;
+            }
+
             if(!event.getGuild().getSelfMember().getVoiceState().inVoiceChannel())
             {
                 try 

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

@@ -0,0 +1,58 @@
+/*
+ * 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 com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jmusicbot.Bot;
+import com.jagrosh.jmusicbot.commands.AdminCommand;
+import com.jagrosh.jmusicbot.settings.Settings;
+
+/**
+ *
+ * @author John Grosh (john.a.grosh@gmail.com)
+ */
+public class PrefixCmd extends AdminCommand
+{
+    public PrefixCmd(Bot bot)
+    {
+        this.name = "prefix";
+        this.help = "sets a server-specific prefix";
+        this.arguments = "<prefix|NONE>";
+        this.aliases = bot.getConfig().getAliases(this.name);
+    }
+    
+    @Override
+    protected void execute(CommandEvent event) 
+    {
+        if(event.getArgs().isEmpty())
+        {
+            event.replyError("Please include a prefix or NONE");
+            return;
+        }
+        
+        Settings s = event.getClient().getSettingsFor(event.getGuild());
+        if(event.getArgs().equalsIgnoreCase("none"))
+        {
+            s.setPrefix(null);
+            event.replySuccess("Prefix cleared.");
+        }
+        else
+        {
+            s.setPrefix(event.getArgs());
+            event.replySuccess("Custom prefix set to `" + event.getArgs() + "` on *" + event.getGuild().getName() + "*");
+        }
+    }
+}

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

@@ -18,6 +18,7 @@ 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.Bot;
 import com.jagrosh.jmusicbot.commands.AdminCommand;
 import com.jagrosh.jmusicbot.settings.Settings;
 import com.jagrosh.jmusicbot.utils.FormatUtil;
@@ -29,11 +30,12 @@ import net.dv8tion.jda.core.entities.Role;
  */
 public class SetdjCmd extends AdminCommand
 {
-    public SetdjCmd()
+    public SetdjCmd(Bot bot)
     {
         this.name = "setdj";
         this.help = "sets the DJ role for certain music commands";
         this.arguments = "<rolename|NONE>";
+        this.aliases = bot.getConfig().getAliases(this.name);
     }
     
     @Override

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

@@ -18,6 +18,7 @@ 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.Bot;
 import com.jagrosh.jmusicbot.commands.AdminCommand;
 import com.jagrosh.jmusicbot.settings.Settings;
 import com.jagrosh.jmusicbot.utils.FormatUtil;
@@ -29,11 +30,12 @@ import net.dv8tion.jda.core.entities.TextChannel;
  */
 public class SettcCmd extends AdminCommand 
 {
-    public SettcCmd()
+    public SettcCmd(Bot bot)
     {
         this.name = "settc";
         this.help = "sets the text channel for music commands";
         this.arguments = "<channel|NONE>";
+        this.aliases = bot.getConfig().getAliases(this.name);
     }
     
     @Override

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

@@ -18,6 +18,7 @@ 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.Bot;
 import com.jagrosh.jmusicbot.commands.AdminCommand;
 import com.jagrosh.jmusicbot.settings.Settings;
 import com.jagrosh.jmusicbot.utils.FormatUtil;
@@ -29,11 +30,12 @@ import net.dv8tion.jda.core.entities.VoiceChannel;
  */
 public class SetvcCmd extends AdminCommand 
 {
-    public SetvcCmd()
+    public SetvcCmd(Bot bot)
     {
         this.name = "setvc";
         this.help = "sets the voice channel for playing music";
         this.arguments = "<channel|NONE>";
+        this.aliases = bot.getConfig().getAliases(this.name);
     }
     
     @Override

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

@@ -0,0 +1,119 @@
+/*
+ * Copyright 2019 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.commons.utils.FinderUtil;
+import com.jagrosh.jdautilities.menu.OrderedMenu;
+import com.jagrosh.jmusicbot.Bot;
+import com.jagrosh.jmusicbot.audio.AudioHandler;
+import com.jagrosh.jmusicbot.commands.DJCommand;
+import net.dv8tion.jda.core.Permission;
+import net.dv8tion.jda.core.entities.Member;
+import net.dv8tion.jda.core.entities.User;
+
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+
+/**
+ *
+ * @author Michaili K.
+ */
+public class ForceRemoveCmd extends DJCommand
+{
+    public ForceRemoveCmd(Bot bot)
+    {
+        super(bot);
+        this.name = "forceremove";
+        this.help = "removes all entries by a user from the queue";
+        this.arguments = "<user>";
+        this.aliases = bot.getConfig().getAliases(this.name);
+        this.beListening = false;
+        this.bePlaying = true;
+        this.botPermissions = new Permission[]{Permission.MESSAGE_EMBED_LINKS};
+    }
+
+    @Override
+    public void doCommand(CommandEvent event)
+    {
+        if (event.getArgs().isEmpty())
+        {
+            event.replyError("You need to mention a user!");
+            return;
+        }
+
+        AudioHandler handler = (AudioHandler) event.getGuild().getAudioManager().getSendingHandler();
+        if (handler.getQueue().isEmpty())
+        {
+            event.replyError("There is nothing in the queue!");
+            return;
+        }
+
+
+        User target;
+        List<Member> found = FinderUtil.findMembers(event.getArgs(), event.getGuild());
+
+        if(found.isEmpty())
+        {
+            event.replyError("Unable to find the user!");
+            return;
+        }
+        else if(found.size()>1)
+        {
+            OrderedMenu.Builder builder = new OrderedMenu.Builder();
+            for(int i=0; i<found.size() && i<4; i++)
+            {
+                Member member = found.get(i);
+                builder.addChoice("**"+member.getUser().getName()+"**#"+member.getUser().getDiscriminator());
+            }
+
+            builder
+            .setSelection((msg, i) -> removeAllEntries(found.get(i-1).getUser(), event))
+            .setText("Found multiple users:")
+            .setColor(event.getSelfMember().getColor())
+            .useNumbers()
+            .setUsers(event.getAuthor())
+            .useCancelButton(true)
+            .setCancel((msg) -> {})
+            .setEventWaiter(bot.getWaiter())
+            .setTimeout(1, TimeUnit.MINUTES)
+
+            .build().display(event.getChannel());
+
+            return;
+        }
+        else
+        {
+            target = found.get(0).getUser();
+        }
+
+        removeAllEntries(target, event);
+
+    }
+
+    private void removeAllEntries(User target, CommandEvent event)
+    {
+        int count = ((AudioHandler) event.getGuild().getAudioManager().getSendingHandler()).getQueue().removeAll(target.getIdLong());
+        if (count == 0)
+        {
+            event.replyWarning("**"+target.getName()+"** doesn't have any songs in the queue!");
+        }
+        else
+        {
+            event.replySuccess("Successfully removed `"+count+"` entries from **"+target.getName()+"**#"+target.getDiscriminator()+".");
+        }
+    }
+}

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

@@ -32,7 +32,7 @@ public class ForceskipCmd extends DJCommand
         super(bot);
         this.name = "forceskip";
         this.help = "skips the current song";
-        this.aliases = new String[]{"modskip"};
+        this.aliases = bot.getConfig().getAliases(this.name);
         this.bePlaying = true;
     }
 

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

@@ -0,0 +1,85 @@
+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.audio.QueuedTrack;
+import com.jagrosh.jmusicbot.commands.DJCommand;
+import com.jagrosh.jmusicbot.queue.FairQueue;
+
+/**
+ * Command that provides users the ability to move a track in the playlist.
+ */
+public class MoveTrackCmd extends DJCommand
+{
+
+    public MoveTrackCmd(Bot bot)
+    {
+        super(bot);
+        this.name = "movetrack";
+        this.help = "move a track in the current queue to a different position";
+        this.arguments = "<from> <to>";
+        this.aliases = bot.getConfig().getAliases(this.name);
+        this.bePlaying = true;
+    }
+
+    @Override
+    public void doCommand(CommandEvent event)
+    {
+        int from;
+        int to;
+
+        String[] parts = event.getArgs().split("\\s+", 2);
+        if(parts.length < 2)
+        {
+            event.replyError("Please include two valid indexes.");
+            return;
+        }
+
+        try
+        {
+            // Validate the args
+            from = Integer.parseInt(parts[0]);
+            to = Integer.parseInt(parts[1]);
+        }
+        catch (NumberFormatException e)
+        {
+            event.replyError("Please provide two valid indexes.");
+            return;
+        }
+
+        if (from == to)
+        {
+            event.replyError("Can't move a track to the same position.");
+            return;
+        }
+
+        // Validate that from and to are available
+        AudioHandler handler = (AudioHandler) event.getGuild().getAudioManager().getSendingHandler();
+        FairQueue<QueuedTrack> queue = handler.getQueue();
+        if (isUnavailablePosition(queue, from))
+        {
+            String reply = String.format("`%d` is not a valid position in the queue!", from);
+            event.replyError(reply);
+            return;
+        }
+        if (isUnavailablePosition(queue, to))
+        {
+            String reply = String.format("`%d` is not a valid position in the queue!", to);
+            event.replyError(reply);
+            return;
+        }
+
+        // Move the track
+        QueuedTrack track = queue.moveItem(from - 1, to - 1);
+        String trackTitle = track.getTrack().getInfo().title;
+        String reply = String.format("Moved **%s** from position `%d` to `%d`.", trackTitle, from, to);
+        event.replySuccess(reply);
+    }
+
+    private static boolean isUnavailablePosition(FairQueue<QueuedTrack> queue, int position)
+    {
+        return (position < 1 || position > queue.size());
+    }
+}

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

@@ -31,6 +31,7 @@ public class PauseCmd extends DJCommand
         super(bot);
         this.name = "pause";
         this.help = "pauses the current song";
+        this.aliases = bot.getConfig().getAliases(this.name);
         this.bePlaying = true;
     }
 

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

@@ -35,13 +35,14 @@ public class PlaynextCmd extends DJCommand
 {
     private final String loadingEmoji;
     
-    public PlaynextCmd(Bot bot, String loadingEmoji)
+    public PlaynextCmd(Bot bot)
     {
         super(bot);
-        this.loadingEmoji = loadingEmoji;
+        this.loadingEmoji = bot.getConfig().getLoading();
         this.name = "playnext";
         this.arguments = "<title|URL>";
         this.help = "plays a single song next";
+        this.aliases = bot.getConfig().getAliases(this.name);
         this.beListening = true;
         this.bePlaying = false;
     }

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

@@ -32,6 +32,7 @@ public class RepeatCmd extends DJCommand
         this.name = "repeat";
         this.help = "re-adds music to the queue when finished";
         this.arguments = "[on|off]";
+        this.aliases = bot.getConfig().getAliases(this.name);
         this.guildOnly = true;
     }
     

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

@@ -32,7 +32,7 @@ public class SkiptoCmd extends DJCommand
         this.name = "skipto";
         this.help = "skips to the specified song";
         this.arguments = "<position>";
-        this.aliases = new String[]{"jumpto"};
+        this.aliases = bot.getConfig().getAliases(this.name);
         this.bePlaying = true;
     }
 

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

@@ -31,6 +31,7 @@ public class StopCmd extends DJCommand
         super(bot);
         this.name = "stop";
         this.help = "stops the current song and clears the queue";
+        this.aliases = bot.getConfig().getAliases(this.name);
         this.bePlaying = false;
     }
 

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

@@ -32,7 +32,7 @@ public class VolumeCmd extends DJCommand
     {
         super(bot);
         this.name = "volume";
-        this.aliases = new String[]{"vol"};
+        this.aliases = bot.getConfig().getAliases(this.name);
         this.help = "sets or shows volume";
         this.arguments = "[0-150]";
     }

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

@@ -17,7 +17,9 @@ 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 com.jagrosh.jmusicbot.utils.FormatUtil;
 import net.dv8tion.jda.core.EmbedBuilder;
 import net.dv8tion.jda.core.MessageBuilder;
 import net.dv8tion.jda.core.entities.Role;
@@ -32,11 +34,11 @@ public class SettingsCmd extends Command
 {
     private final static String EMOJI = "\uD83C\uDFA7"; // 🎧
     
-    public SettingsCmd()
+    public SettingsCmd(Bot bot)
     {
         this.name = "settings";
         this.help = "shows the bots settings";
-        this.aliases = new String[]{"status"};
+        this.aliases = bot.getConfig().getAliases(this.name);
         this.guildOnly = true;
     }
     
@@ -46,22 +48,23 @@ public class SettingsCmd extends Command
         Settings s = event.getClient().getSettingsFor(event.getGuild());
         MessageBuilder builder = new MessageBuilder()
                 .append(EMOJI + " **")
-                .append(event.getSelfUser().getName())
+                .append(FormatUtil.filter(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()+"**")
+                .setDescription("Text Channel: " + (tchan == null ? "Any" : "**#" + tchan.getName() + "**")
+                        + "\nVoice Channel: " + (vchan == null ? "Any" : "**" + vchan.getName() + "**")
+                        + "\nDJ Role: " + (role == null ? "None" : "**" + role.getName() + "**")
+                        + "\nCustom Prefix: " + (s.getPrefix() == null ? "None" : "`" + s.getPrefix() + "`")
+                        + "\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);
+                .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/LyricsCmd.java

@@ -16,12 +16,10 @@
 package com.jagrosh.jmusicbot.commands.music;
 
 import com.jagrosh.jdautilities.command.CommandEvent;
-import com.jagrosh.jlyrics.Lyrics;
 import com.jagrosh.jlyrics.LyricsClient;
 import com.jagrosh.jmusicbot.Bot;
 import com.jagrosh.jmusicbot.audio.AudioHandler;
 import com.jagrosh.jmusicbot.commands.MusicCommand;
-import java.util.concurrent.ExecutionException;
 import net.dv8tion.jda.core.EmbedBuilder;
 import net.dv8tion.jda.core.Permission;
 
@@ -39,6 +37,7 @@ public class LyricsCmd extends MusicCommand
         this.name = "lyrics";
         this.arguments = "[song name]";
         this.help = "shows the lyrics to the currently-playing song";
+        this.aliases = bot.getConfig().getAliases(this.name);
         this.botPermissions = new Permission[]{Permission.MESSAGE_EMBED_LINKS};
         this.bePlaying = true;
     }
@@ -56,7 +55,7 @@ public class LyricsCmd extends MusicCommand
         {
             if(lyrics == null)
             {
-                event.replyError("Lyrics for `" + title + "` could not be found!");
+                event.replyError("Lyrics for `" + title + "` could not be found!" + (event.getArgs().isEmpty() ? " Try entering the song name manually (`lyrics [song name]`)" : ""));
                 return;
             }
 

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

@@ -33,7 +33,7 @@ public class NowplayingCmd extends MusicCommand
         super(bot);
         this.name = "nowplaying";
         this.help = "shows the song that is currently playing";
-        this.aliases = new String[]{"np","current"};
+        this.aliases = bot.getConfig().getAliases(this.name);
         this.botPermissions = new Permission[]{Permission.MESSAGE_EMBED_LINKS};
     }
 

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

@@ -26,14 +26,13 @@ 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.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;
 
 /**
@@ -47,13 +46,14 @@ public class PlayCmd extends MusicCommand
     
     private final String loadingEmoji;
     
-    public PlayCmd(Bot bot, String loadingEmoji)
+    public PlayCmd(Bot bot)
     {
         super(bot);
-        this.loadingEmoji = loadingEmoji;
+        this.loadingEmoji = bot.getConfig().getLoading();
         this.name = "play";
         this.arguments = "<title|URL|subcommand>";
         this.help = "plays the provided song";
+        this.aliases = bot.getConfig().getAliases(this.name);
         this.beListening = true;
         this.bePlaying = false;
         this.children = new Command[]{new PlaylistCmd(bot)};
@@ -67,20 +67,13 @@ public class PlayCmd extends MusicCommand
             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
+                if(DJCommand.checkDJPermission(event))
                 {
                     handler.getPlayer().setPaused(false);
                     event.replySuccess("Resumed **"+handler.getPlayer().getPlayingTrack().getInfo().title+"**.");
                 }
+                else
+                    event.replyError("Only DJs can unpause the player!");
                 return;
             }
             StringBuilder builder = new StringBuilder(event.getClient().getWarning()+" Play Commands:\n");

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

@@ -31,7 +31,7 @@ public class PlaylistsCmd extends MusicCommand
         super(bot);
         this.name = "playlists";
         this.help = "shows the available playlists";
-        this.aliases = new String[]{"pls"};
+        this.aliases = bot.getConfig().getAliases(this.name);
         this.guildOnly = true;
         this.beListening = false;
         this.beListening = false;

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

@@ -47,7 +47,7 @@ public class QueueCmd extends MusicCommand
         this.name = "queue";
         this.help = "shows the current queue";
         this.arguments = "[pagenum]";
-        this.aliases = new String[]{"list"};
+        this.aliases = bot.getConfig().getAliases(this.name);
         this.bePlaying = true;
         this.botPermissions = new Permission[]{Permission.MESSAGE_ADD_REACTION,Permission.MESSAGE_EMBED_LINKS};
         builder = new Paginator.Builder()
@@ -57,6 +57,7 @@ public class QueueCmd extends MusicCommand
                 .waitOnSinglePage(false)
                 .useNumberedItems(true)
                 .showPageNumbers(true)
+                .wrapPageEnds(true)
                 .setEventWaiter(bot.getWaiter())
                 .setTimeout(1, TimeUnit.MINUTES);
     }

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

@@ -36,7 +36,7 @@ public class RemoveCmd extends MusicCommand
         this.name = "remove";
         this.help = "removes a song from the queue";
         this.arguments = "<position|ALL>";
-        this.aliases = new String[]{"delete"};
+        this.aliases = bot.getConfig().getAliases(this.name);
         this.beListening = true;
         this.bePlaying = true;
     }

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

@@ -23,12 +23,12 @@ import com.jagrosh.jmusicbot.Bot;
  */
 public class SCSearchCmd extends SearchCmd 
 {
-    public SCSearchCmd(Bot bot, String searchingEmoji)
+    public SCSearchCmd(Bot bot)
     {
-        super(bot, searchingEmoji);
+        super(bot);
         this.searchPrefix = "scsearch:";
         this.name = "scsearch";
         this.help = "searches Soundcloud for a provided query";
-        this.aliases = new String[]{};
+        this.aliases = bot.getConfig().getAliases(this.name);
     }
 }

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

@@ -41,12 +41,12 @@ public class SearchCmd extends MusicCommand
     private final OrderedMenu.Builder builder;
     private final String searchingEmoji;
     
-    public SearchCmd(Bot bot, String searchingEmoji)
+    public SearchCmd(Bot bot)
     {
         super(bot);
-        this.searchingEmoji = searchingEmoji;
+        this.searchingEmoji = bot.getConfig().getSearching();
         this.name = "search";
-        this.aliases = new String[]{"ytsearch"};
+        this.aliases = bot.getConfig().getAliases(this.name);
         this.arguments = "<query>";
         this.help = "searches Youtube for a provided query";
         this.beListening = true;
@@ -115,8 +115,8 @@ public class SearchCmd extends MusicCommand
                         }
                         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" 
+                        event.replySuccess("Added **" + FormatUtil.filter(track.getInfo().title)
+                                + "** (`" + FormatUtil.formatTime(track.getDuration()) + "`) " + (pos==0 ? "to begin playing" 
                                     : " to the queue at position "+pos));
                     })
                     .setCancel((msg) -> {})

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

@@ -31,6 +31,7 @@ public class ShuffleCmd extends MusicCommand
         super(bot);
         this.name = "shuffle";
         this.help = "shuffles songs you have added";
+        this.aliases = bot.getConfig().getAliases(this.name);
         this.beListening = true;
         this.bePlaying = true;
     }

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

@@ -32,7 +32,7 @@ public class SkipCmd extends MusicCommand
         super(bot);
         this.name = "skip";
         this.help = "votes to skip the current song";
-        this.aliases = new String[]{"voteskip"};
+        this.aliases = bot.getConfig().getAliases(this.name);
         this.beListening = true;
         this.bePlaying = true;
     }

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

@@ -35,6 +35,7 @@ public class AutoplaylistCmd extends OwnerCommand
         this.name = "autoplaylist";
         this.arguments = "<name|NONE>";
         this.help = "sets the default playlist for the server";
+        this.aliases = bot.getConfig().getAliases(this.name);
     }
 
     @Override

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

@@ -0,0 +1,87 @@
+/*
+ * 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.jdautilities.commons.JDAUtilitiesInfo;
+import com.jagrosh.jmusicbot.Bot;
+import com.jagrosh.jmusicbot.commands.OwnerCommand;
+import com.jagrosh.jmusicbot.utils.OtherUtil;
+import com.sedmelluq.discord.lavaplayer.tools.PlayerLibrary;
+import net.dv8tion.jda.core.JDAInfo;
+import net.dv8tion.jda.core.Permission;
+import net.dv8tion.jda.core.entities.ChannelType;
+
+/**
+ *
+ * @author John Grosh (john.a.grosh@gmail.com)
+ */
+public class DebugCmd extends OwnerCommand 
+{
+    private final static String[] PROPERTIES = {"java.version", "java.vm.name", "java.vm.specification.version", 
+        "java.runtime.name", "java.runtime.version", "java.specification.version",  "os.arch", "os.name"};
+    
+    private final Bot bot;
+    
+    public DebugCmd(Bot bot)
+    {
+        this.bot = bot;
+        this.name = "debug";
+        this.help = "shows debug info";
+        this.aliases = bot.getConfig().getAliases(this.name);
+        this.guildOnly = false;
+    }
+
+    @Override
+    protected void execute(CommandEvent event)
+    {
+        StringBuilder sb = new StringBuilder();
+        sb.append("```\nSystem Properties:");
+        for(String key: PROPERTIES)
+            sb.append("\n  ").append(key).append(" = ").append(System.getProperty(key));
+        sb.append("\n\nJMusicBot Information:")
+                .append("\n  Version = ").append(OtherUtil.getCurrentVersion())
+                .append("\n  Owner = ").append(bot.getConfig().getOwnerId())
+                .append("\n  Prefix = ").append(bot.getConfig().getPrefix())
+                .append("\n  AltPrefix = ").append(bot.getConfig().getAltPrefix())
+                .append("\n  MaxSeconds = ").append(bot.getConfig().getMaxSeconds())
+                .append("\n  NPImages = ").append(bot.getConfig().useNPImages())
+                .append("\n  SongInStatus = ").append(bot.getConfig().getSongInStatus())
+                .append("\n  StayInChannel = ").append(bot.getConfig().getStay())
+                .append("\n  UseEval = ").append(bot.getConfig().useEval())
+                .append("\n  UpdateAlerts = ").append(bot.getConfig().useUpdateAlerts());
+        sb.append("\n\nDependency Information:")
+                .append("\n  JDA Version = ").append(JDAInfo.VERSION)
+                .append("\n  JDA-Utilities Version = ").append(JDAUtilitiesInfo.VERSION)
+                .append("\n  Lavaplayer Version = ").append(PlayerLibrary.VERSION);
+        long total = Runtime.getRuntime().totalMemory() / 1024 / 1024;
+        long used = total - (Runtime.getRuntime().freeMemory() / 1024 / 1024);
+        sb.append("\n\nRuntime Information:")
+                .append("\n  Total Memory = ").append(total)
+                .append("\n  Used Memory = ").append(used);
+        sb.append("\n\nDiscord Information:")
+                .append("\n  ID = ").append(event.getJDA().getSelfUser().getId())
+                .append("\n  Guilds = ").append(event.getJDA().getGuildCache().size())
+                .append("\n  Users = ").append(event.getJDA().getUserCache().size());
+        sb.append("\n```");
+        
+        if(event.isFromType(ChannelType.PRIVATE) 
+                || event.getSelfMember().hasPermission(event.getTextChannel(), Permission.MESSAGE_ATTACH_FILES))
+            event.getChannel().sendFile(sb.toString().getBytes(), "debug_information.txt").queue();
+        else
+            event.reply("Debug Information: " + sb.toString());
+    }
+}

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

@@ -34,6 +34,7 @@ public class EvalCmd extends OwnerCommand
         this.bot = bot;
         this.name = "eval";
         this.help = "evaluates nashorn code";
+        this.aliases = bot.getConfig().getAliases(this.name);
         this.guildOnly = false;
     }
     

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

@@ -21,7 +21,6 @@ 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;
 
 /**
@@ -38,6 +37,7 @@ public class PlaylistCmd extends OwnerCommand
         this.name = "playlist";
         this.arguments = "<append|delete|make|setdefault>";
         this.help = "playlist management";
+        this.aliases = bot.getConfig().getAliases(this.name);
         this.children = new OwnerCommand[]{
             new ListCmd(),
             new AppendlistCmd(),

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

@@ -18,6 +18,7 @@ package com.jagrosh.jmusicbot.commands.owner;
 import java.io.IOException;
 import java.io.InputStream;
 import com.jagrosh.jdautilities.command.CommandEvent;
+import com.jagrosh.jmusicbot.Bot;
 import com.jagrosh.jmusicbot.commands.OwnerCommand;
 import com.jagrosh.jmusicbot.utils.OtherUtil;
 import net.dv8tion.jda.core.entities.Icon;
@@ -28,11 +29,12 @@ import net.dv8tion.jda.core.entities.Icon;
  */
 public class SetavatarCmd extends OwnerCommand 
 {
-    public SetavatarCmd()
+    public SetavatarCmd(Bot bot)
     {
         this.name = "setavatar";
         this.help = "sets the avatar of the bot";
         this.arguments = "<url>";
+        this.aliases = bot.getConfig().getAliases(this.name);
         this.guildOnly = false;
     }
     

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

@@ -16,6 +16,7 @@
 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.entities.Game;
 
@@ -25,11 +26,12 @@ import net.dv8tion.jda.core.entities.Game;
  */
 public class SetgameCmd extends OwnerCommand
 {
-    public SetgameCmd()
+    public SetgameCmd(Bot bot)
     {
         this.name = "setgame";
         this.help = "sets the game the bot is playing";
         this.arguments = "[action] [game]";
+        this.aliases = bot.getConfig().getAliases(this.name);
         this.guildOnly = false;
         this.children = new OwnerCommand[]{
             new SetlistenCmd(),

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

@@ -26,11 +26,12 @@ import net.dv8tion.jda.core.exceptions.RateLimitedException;
  */
 public class SetnameCmd extends OwnerCommand
 {
-    public SetnameCmd()
+    public SetnameCmd(Bot bot)
     {
         this.name = "setname";
         this.help = "sets the name of the bot";
         this.arguments = "<name>";
+        this.aliases = bot.getConfig().getAliases(this.name);
         this.guildOnly = false;
     }
     

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

@@ -16,6 +16,7 @@
 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.OnlineStatus;
 
@@ -25,11 +26,12 @@ import net.dv8tion.jda.core.OnlineStatus;
  */
 public class SetstatusCmd extends OwnerCommand
 {
-    public SetstatusCmd()
+    public SetstatusCmd(Bot bot)
     {
         this.name = "setstatus";
         this.help = "sets the status the bot displays";
         this.arguments = "<status>";
+        this.aliases = bot.getConfig().getAliases(this.name);
         this.guildOnly = false;
     }
     

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

@@ -32,6 +32,7 @@ public class ShutdownCmd extends OwnerCommand
         this.bot = bot;
         this.name = "shutdown";
         this.help = "safely shuts down";
+        this.aliases = bot.getConfig().getAliases(this.name);
         this.guildOnly = false;
     }
     

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

@@ -16,6 +16,7 @@
 package com.jagrosh.jmusicbot.playlist;
 
 import com.jagrosh.jmusicbot.BotConfig;
+import com.jagrosh.jmusicbot.utils.OtherUtil;
 import com.sedmelluq.discord.lavaplayer.player.AudioLoadResultHandler;
 import com.sedmelluq.discord.lavaplayer.player.AudioPlayerManager;
 import com.sedmelluq.discord.lavaplayer.tools.FriendlyException;
@@ -24,7 +25,6 @@ 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;
@@ -61,29 +61,29 @@ public class PlaylistLoader
     {
         try
         {
-            Files.createDirectory(Paths.get(config.getPlaylistsFolder()));
+            Files.createDirectory(OtherUtil.getPath(config.getPlaylistsFolder()));
         } 
         catch (IOException ignore) {}
     }
     
     public boolean folderExists()
     {
-        return Files.exists(Paths.get(config.getPlaylistsFolder()));
+        return Files.exists(OtherUtil.getPath(config.getPlaylistsFolder()));
     }
     
     public void createPlaylist(String name) throws IOException
     {
-        Files.createFile(Paths.get(config.getPlaylistsFolder()+File.separator+name+".txt"));
+        Files.createFile(OtherUtil.getPath(config.getPlaylistsFolder()+File.separator+name+".txt"));
     }
     
     public void deletePlaylist(String name) throws IOException
     {
-        Files.delete(Paths.get(config.getPlaylistsFolder()+File.separator+name+".txt"));
+        Files.delete(OtherUtil.getPath(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());
+        Files.write(OtherUtil.getPath(config.getPlaylistsFolder()+File.separator+name+".txt"), text.trim().getBytes());
     }
     
     public Playlist getPlaylist(String name)
@@ -96,7 +96,7 @@ public class PlaylistLoader
             {
                 boolean[] shuffle = {false};
                 List<String> list = new ArrayList<>();
-                Files.readAllLines(Paths.get(config.getPlaylistsFolder()+File.separator+name+".txt")).forEach(str -> 
+                Files.readAllLines(OtherUtil.getPath(config.getPlaylistsFolder()+File.separator+name+".txt")).forEach(str -> 
                 {
                     String s = str.trim();
                     if(s.isEmpty())
@@ -157,101 +157,90 @@ public class PlaylistLoader
         
         public void loadTracks(AudioPlayerManager manager, Consumer<AudioTrack> consumer, Runnable callback)
         {
-            if(!loaded)
+            if(loaded)
+                return;
+            loaded = true;
+            for(int i=0; i<items.size(); i++)
             {
-                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() 
                 {
-                    boolean last = i+1==items.size();
-                    int index = i;
-                    manager.loadItemOrdered(name, items.get(i), new AudioLoadResultHandler() 
+                    private void done()
                     {
-                        @Override
-                        public void trackLoaded(AudioTrack at) 
+                        if(last)
                         {
-                            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)
+                            if(shuffle)
+                                shuffleTracks();
+                            if(callback != null)
                                 callback.run();
                         }
+                    }
 
-                        @Override
-                        public void noMatches() 
+                    @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
                         {
-                            errors.add(new PlaylistLoadError(index, items.get(index), "No matches found."));
-                            if(last && callback!=null)
-                                callback.run();
+                            at.setUserData(0L);
+                            tracks.add(at);
+                            consumer.accept(at);
                         }
+                        done();
+                    }
 
-                        @Override
-                        public void loadFailed(FriendlyException fe) 
+                    @Override
+                    public void playlistLoaded(AudioPlaylist ap) 
+                    {
+                        if(ap.isSearchResult())
                         {
-                            errors.add(new PlaylistLoadError(index, items.get(index), "Failed to load track: "+fe.getLocalizedMessage()));
-                            if(last && callback!=null)
-                                callback.run();
+                            trackLoaded(ap.getTracks().get(0));
                         }
-                    });
-                }
+                        else if(ap.getSelectedTrack()!=null)
+                        {
+                            trackLoaded(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));
+                        }
+                        done();
+                    }
+
+                    @Override
+                    public void noMatches() 
+                    {
+                        errors.add(new PlaylistLoadError(index, items.get(index), "No matches found."));
+                        done();
+                    }
+
+                    @Override
+                    public void loadFailed(FriendlyException fe) 
+                    {
+                        errors.add(new PlaylistLoadError(index, items.get(index), "Failed to load track: "+fe.getLocalizedMessage()));
+                        done();
+                    }
+                });
             }
-            if(shuffle)
-                shuffleTracks();
         }
         
         public void shuffleTracks()
         {
-            if(tracks!=null)
-                shuffle(tracks);
+            shuffle(tracks);
         }
         
         public String getName()

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

@@ -128,4 +128,17 @@ public class FairQueue<T extends Queueable> {
         for(int i=0; i<number; i++)
             list.remove(0);
     }
+
+    /**
+     * Move an item to a different position in the list
+     * @param from The position of the item
+     * @param to The new position of the item
+     * @return the moved item
+     */
+    public T moveItem(int from, int to)
+    {
+        T item = list.remove(from);
+        list.add(to, item);
+        return item;
+    }
 }

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

@@ -16,6 +16,8 @@
 package com.jagrosh.jmusicbot.settings;
 
 import com.jagrosh.jdautilities.command.GuildSettingsProvider;
+import java.util.Collection;
+import java.util.Collections;
 import net.dv8tion.jda.core.entities.Guild;
 import net.dv8tion.jda.core.entities.Role;
 import net.dv8tion.jda.core.entities.TextChannel;
@@ -34,8 +36,9 @@ public class Settings implements GuildSettingsProvider
     private int volume;
     private String defaultPlaylist;
     private boolean repeatMode;
+    private String prefix;
     
-    public Settings(SettingsManager manager, String textId, String voiceId, String roleId, int volume, String defaultPlaylist, boolean repeatMode)
+    public Settings(SettingsManager manager, String textId, String voiceId, String roleId, int volume, String defaultPlaylist, boolean repeatMode, String prefix)
     {
         this.manager = manager;
         try
@@ -65,9 +68,10 @@ public class Settings implements GuildSettingsProvider
         this.volume = volume;
         this.defaultPlaylist = defaultPlaylist;
         this.repeatMode = repeatMode;
+        this.prefix = prefix;
     }
     
-    public Settings(SettingsManager manager, long textId, long voiceId, long roleId, int volume, String defaultPlaylist, boolean repeatMode)
+    public Settings(SettingsManager manager, long textId, long voiceId, long roleId, int volume, String defaultPlaylist, boolean repeatMode, String prefix)
     {
         this.manager = manager;
         this.textId = textId;
@@ -76,6 +80,7 @@ public class Settings implements GuildSettingsProvider
         this.volume = volume;
         this.defaultPlaylist = defaultPlaylist;
         this.repeatMode = repeatMode;
+        this.prefix = prefix;
     }
     
     // Getters
@@ -109,6 +114,17 @@ public class Settings implements GuildSettingsProvider
         return repeatMode;
     }
     
+    public String getPrefix()
+    {
+        return prefix;
+    }
+    
+    @Override
+    public Collection<String> getPrefixes()
+    {
+        return prefix == null ? Collections.EMPTY_SET : Collections.singleton(prefix);
+    }
+    
     // Setters
     public void setTextChannel(TextChannel tc)
     {
@@ -145,4 +161,10 @@ public class Settings implements GuildSettingsProvider
         this.repeatMode = mode;
         this.manager.writeSettings();
     }
+    
+    public void setPrefix(String prefix)
+    {
+        this.prefix = prefix;
+        this.manager.writeSettings();
+    }
 }

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

@@ -16,6 +16,7 @@
 package com.jagrosh.jmusicbot.settings;
 
 import com.jagrosh.jdautilities.command.GuildSettingsManager;
+import com.jagrosh.jmusicbot.utils.OtherUtil;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Paths;
@@ -37,7 +38,7 @@ public class SettingsManager implements GuildSettingsManager
     {
         this.settings = new HashMap<>();
         try {
-            JSONObject loadedSettings = new JSONObject(new String(Files.readAllBytes(Paths.get("serversettings.json"))));
+            JSONObject loadedSettings = new JSONObject(new String(Files.readAllBytes(OtherUtil.getPath("serversettings.json"))));
             loadedSettings.keySet().forEach((id) -> {
                 JSONObject o = loadedSettings.getJSONObject(id);
                 settings.put(Long.parseLong(id), new Settings(this,
@@ -46,7 +47,8 @@ public class SettingsManager implements GuildSettingsManager
                         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));
+                        o.has("repeat")          ? o.getBoolean("repeat")         : false,
+                        o.has("prefix")          ? o.getString("prefix")          : null));
             });
         } catch(IOException | JSONException e) {
             LoggerFactory.getLogger("Settings").warn("Failed to load server settings (this is normal if no settings have been set yet): "+e);
@@ -72,7 +74,7 @@ public class SettingsManager implements GuildSettingsManager
     
     private Settings createDefaultSettings()
     {
-        return new Settings(this, 0, 0, 0, 100, null, false);
+        return new Settings(this, 0, 0, 0, 100, null, false, null);
     }
     
     protected void writeSettings()
@@ -89,14 +91,16 @@ public class SettingsManager implements GuildSettingsManager
                 o.put("dj_role_id", Long.toString(s.roleId));
             if(s.getVolume()!=100)
                 o.put("volume",s.getVolume());
-            if(s.getDefaultPlaylist()!=null)
+            if(s.getDefaultPlaylist() != null)
                 o.put("default_playlist", s.getDefaultPlaylist());
             if(s.getRepeatMode())
                 o.put("repeat", true);
+            if(s.getPrefix() != null)
+                o.put("prefix", s.getPrefix());
             obj.put(Long.toString(key), o);
         });
         try {
-            Files.write(Paths.get("serversettings.json"), obj.toString(4).getBytes());
+            Files.write(OtherUtil.getPath("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

@@ -92,6 +92,9 @@ public class FormatUtil {
     
     public static String filter(String input)
     {
-        return input.replace("@everyone", "@\u0435veryone").replace("@here", "@h\u0435re").trim(); // cyrillic letter e
+        return input.replace("\u202E","")
+                .replace("@everyone", "@\u0435veryone") // cyrillic letter e
+                .replace("@here", "@h\u0435re") // cyrillic letter e
+                .trim();
     }
 }

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

@@ -17,11 +17,12 @@ 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.io.*;
+import java.net.URISyntaxException;
 import java.net.URL;
 import java.net.URLConnection;
+import java.nio.file.Path;
+import java.nio.file.Paths;
 import net.dv8tion.jda.core.OnlineStatus;
 import net.dv8tion.jda.core.entities.Game;
 import okhttp3.*;
@@ -39,7 +40,58 @@ public class OtherUtil
                     + "Current version: %s\n"
                     + "New Version: %s\n\n"
                     + "Please visit https://github.com/jagrosh/MusicBot/releases/latest to get the latest release.";
+    private final static String WINDOWS_INVALID_PATH = "c:\\windows\\system32\\";
     
+    /**
+     * gets a Path from a String
+     * also fixes the windows tendency to try to start in system32
+     * any time the bot tries to access this path, it will instead start in the location of the jar file
+     * 
+     * @param path the string path
+     * @return the Path object
+     */
+    public static Path getPath(String path)
+    {
+        // special logic to prevent trying to access system32
+        if(path.toLowerCase().startsWith(WINDOWS_INVALID_PATH))
+        {
+            String filename = path.substring(WINDOWS_INVALID_PATH.length());
+            try
+            {
+                path = new File(JMusicBot.class.getProtectionDomain().getCodeSource().getLocation().toURI()).getParentFile().getPath() + File.separator + filename;
+            }
+            catch(URISyntaxException ex) {}
+        }
+        return Paths.get(path);
+    }
+    
+    /**
+     * Loads a resource from the jar as a string
+     * 
+     * @param clazz class base object
+     * @param name name of resource
+     * @return string containing the contents of the resource
+     */
+    public static String loadResource(Object clazz, String name)
+    {
+        try(BufferedReader reader = new BufferedReader(new InputStreamReader(clazz.getClass().getResourceAsStream(name))))
+        {
+            StringBuilder sb = new StringBuilder();
+            reader.lines().forEach(line -> sb.append("\r\n").append(line));
+            return sb.toString().trim();
+        }
+        catch(IOException ex)
+        {
+            return null;
+        }
+    }
+    
+    /**
+     * Loads image data from a URL
+     * 
+     * @param url url of image
+     * @return inputstream of url
+     */
     public static InputStream imageFromUrl(String url)
     {
         if(url==null)
@@ -55,29 +107,40 @@ public class OtherUtil
         return null;
     }
     
+    /**
+     * Parses an activity from a string
+     * 
+     * @param game the game, including the action such as 'playing' or 'watching'
+     * @return the parsed activity
+     */
     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());
+            return Game.playing(makeNonEmpty(game.substring(7).trim()));
         if(lower.startsWith("listening to"))
-            return Game.listening(game.substring(12).trim());
+            return Game.listening(makeNonEmpty(game.substring(12).trim()));
         if(lower.startsWith("listening"))
-            return Game.listening(game.substring(9).trim());
+            return Game.listening(makeNonEmpty(game.substring(9).trim()));
         if(lower.startsWith("watching"))
-            return Game.watching(game.substring(8).trim());
+            return Game.watching(makeNonEmpty(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.streaming(makeNonEmpty(parts[1]), "https://twitch.tv/"+parts[0]);
             }
         }
         return Game.playing(game);
     }
+   
+    public static String makeNonEmpty(String str)
+    {
+        return str == null || str.isEmpty() ? "\u200B" : str;
+    }
     
     public static OnlineStatus parseStatus(String status)
     {

src/main/resources/reference.conf

@@ -1,3 +1,4 @@
+/// START OF JMUSICBOT CONFIG ///
 /////////////////////////////////////////////////////////
 // Config for the JMusicBot                            //
 /////////////////////////////////////////////////////////
@@ -20,7 +21,7 @@ token = BOT_TOKEN_HERE
 // 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
+owner = 0 // OWNER ID
 
 
 // This sets the prefix for the bot
@@ -119,9 +120,52 @@ updatealerts=true
 // If you are interested in contributing a provider, please see
 // https://github.com/jagrosh/JLyrics
 
-lyrics.default = "MusicMatch"
+lyrics.default = "A-Z Lyrics"
 
 
+// These settings allow you to configure custom aliases for all commands.
+// Multiple aliases may be given, separated by commas.
+//
+// Example 1: Giving command "play" the alias "p":
+// play = [ p ]
+//
+// Example 2: Giving command "search" the aliases "yts" and "find":
+// search = [ yts, find ]
+
+aliases {
+  // General commands
+  settings = [ status ]
+
+  // Music commands
+  lyrics = []
+  nowplaying = [ np, current ]
+  play = []
+  playlists = [ pls ]
+  queue = [ list ]
+  remove = [ delete ]
+  scsearch = []
+  search = [ ytsearch ]
+  shuffle = []
+  skip = [ voteskip ]
+
+  // Admin commands
+  prefix = [ setprefix ]
+  setdj = []
+  settc = []
+  setvc = []
+
+  // DJ Commands
+  forceremove = [ forcedelete, modremove, moddelete, modelete ]
+  forceskip = [ modskip ]
+  movetrack = [ move ]
+  pause = []
+  playnext = []
+  repeat = []
+  skipto = [ jumpto ]
+  stop = []
+  volume = [ vol ]
+}
+
 // 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.
 //
@@ -134,3 +178,6 @@ lyrics.default = "MusicMatch"
 // IF SOMEONE ASKS YOU TO ENABLE THIS, THERE IS AN 11/10 CHANCE THEY ARE TRYING TO SCAM YOU
 
 eval=false
+
+
+/// END OF JMUSICBOT CONFIG ///