update deps, minor code cleanup

.github/workflows/make-release.yml

@@ -62,6 +62,7 @@ jobs:
           artifacts: "*.jar"
           body: |
             ${{ github.event.inputs.info }}
+            
             ---
             ### Setup
             https://jmusicbot.com/setup  

pom.xml

@@ -20,15 +20,28 @@
         <repository>
             <id>jitpack.io</id>
             <url>https://jitpack.io</url>
+            <snapshots>
+                <enabled>true</enabled>
+                <updatePolicy>always</updatePolicy>
+            </snapshots>
         </repository>
     </repositories>
 
     <dependencies>
+        <!-- Discord Dependencies -->
         <dependency>
             <groupId>net.dv8tion</groupId> 
             <artifactId>JDA</artifactId> 
-            <version>4.3.0_324</version>
+            <version>4.4.0_352</version>
         </dependency>
+        <dependency>
+            <groupId>com.jagrosh</groupId>
+            <artifactId>jda-utilities</artifactId>
+            <version>3.0.5</version>
+            <type>pom</type>
+        </dependency>
+
+        <!-- Music Dependencies -->
         <!-- using a fork of this to fix some issues faster -->
         <!-- dependency>
             <groupId>com.sedmelluq</groupId>
@@ -46,23 +59,13 @@
             <artifactId>lavaplayer-natives-extra</artifactId>
             <version>1.3.13</version>
         </dependency-->
-        <dependency>
-            <groupId>com.jagrosh</groupId>
-            <artifactId>jda-utilities</artifactId>
-            <version>3.0.5</version>
-            <type>pom</type>
-        </dependency>
-        <!-- jitpack for now, we need to version this correctly later -->
 	<dependency>
 	    <groupId>com.github.jagrosh</groupId>
 	    <artifactId>JLyrics</artifactId>
-	    <version>-SNAPSHOT</version>
+	    <version>master-SNAPSHOT</version>
 	</dependency>
-        <!--dependency>
-            <groupId>com.jagrosh</groupId>
-            <artifactId>JLyrics</artifactId>
-            <version>0.6</version>
-        </dependency-->
+
+        <!-- Misc Internal Dependencies -->
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
@@ -78,6 +81,8 @@
             <artifactId>jsoup</artifactId>
             <version>1.14.2</version>
         </dependency>
+
+        <!-- Testing Dependencies -->
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>

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

@@ -23,7 +23,6 @@
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
-import java.util.Collections;
 import net.dv8tion.jda.api.OnlineStatus;
 import net.dv8tion.jda.api.entities.Activity;
 
@@ -63,13 +62,7 @@ public void load()
         try 
         {
             // get the path to the config, default config.txt
-            path = OtherUtil.getPath(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", path.toAbsolutePath().toString()));
-                ConfigFactory.invalidateCaches();
-            }
+            path = getConfigPath();
 
             // load in the config file, plus the default values
             //Config config = ConfigFactory.parseFile(path.toFile()).withFallback(ConfigFactory.load());
@@ -161,19 +154,9 @@ public void load()
 
     private void writeToFile()
     {
-        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)
+        byte[] bytes = loadDefaultConfig().replace("BOT_TOKEN_HERE", token)
                 .replace("0 // OWNER ID", Long.toString(owner))
                 .trim().getBytes();
-        }
         try 
         {
             Files.write(path, bytes);
@@ -186,6 +169,43 @@ private void writeToFile()
         }
     }
 
+    private static String loadDefaultConfig()
+    {
+        String original = OtherUtil.loadResource(new JMusicBot(), "/reference.conf");
+        return original==null 
+                ? "token = BOT_TOKEN_HERE\r\nowner = 0 // OWNER ID" 
+                : original.substring(original.indexOf(START_TOKEN)+START_TOKEN.length(), original.indexOf(END_TOKEN)).trim();
+    }
+
+    private static Path getConfigPath()
+    {
+        Path path = OtherUtil.getPath(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", path.toAbsolutePath().toString()));
+            ConfigFactory.invalidateCaches();
+        }
+        return path;
+    }
+
+    public static void writeDefaultConfig()
+    {
+        Prompt prompt = new Prompt(null, null, true, true);
+        prompt.alert(Prompt.Level.INFO, "JMusicBot Config", "Generating default config file");
+        Path path = BotConfig.getConfigPath();
+        byte[] bytes = BotConfig.loadDefaultConfig().getBytes();
+        try
+        {
+            prompt.alert(Prompt.Level.INFO, "JMusicBot Config", "Writing default config file to " + path.toAbsolutePath().toString());
+            Files.write(path, bytes);
+        }
+        catch(Exception ex)
+        {
+            prompt.alert(Prompt.Level.ERROR, "JMusicBot Config", "An error occurred writing the default config file: " + ex.getMessage());
+        }
+    }
+
     public boolean isValid()
     {
         return valid;

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

@@ -43,44 +43,51 @@
  */
 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 Logger LOG = LoggerFactory.getLogger(JMusicBot.class);
     public final static Permission[] RECOMMENDED_PERMS = {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};
     public final static GatewayIntent[] INTENTS = {GatewayIntent.DIRECT_MESSAGES, GatewayIntent.GUILD_MESSAGES, GatewayIntent.GUILD_MESSAGE_REACTIONS, GatewayIntent.GUILD_VOICE_STATES};
+
     /**
      * @param args the command line arguments
      */
     public static void main(String[] args)
     {
-        // startup log
-        Logger log = LoggerFactory.getLogger("Startup");
-
+        if(args.length > 0)
+            switch(args[0].toLowerCase())
+            {
+                case "generate-config":
+                    BotConfig.writeDefaultConfig();
+                    return;
+                default:
+            }
+        startBot();
+    }
+
+    private static void startBot()
+    {
         // 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.");
-
-        // get and check latest version
-        String version = OtherUtil.checkVersion(prompt);
+        Prompt prompt = new Prompt("JMusicBot");
 
-        // check for valid java version
-        if(!System.getProperty("java.vm.name").contains("64"))
-            prompt.alert(Prompt.Level.WARNING, "Java Version", "It appears that you may not be using a supported Java version. Please use 64-bit java.");
+        // startup checks
+        OtherUtil.checkVersion(prompt);
+        OtherUtil.checkJavaVersion(prompt);
 
         // load config
         BotConfig config = new BotConfig(prompt);
         config.load();
         if(!config.isValid())
             return;
+        LOG.info("Loaded config from " + config.getConfigLocation());
 
         // 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+")",
+                                "a music bot that is [easy to host yourself!](https://github.com/jagrosh/MusicBot) (v" + OtherUtil.getCurrentVersion() + ")",
                                 new String[]{"High-quality music playback", "FairQueue™ Technology", "Easy to host yourself"},
                                 RECOMMENDED_PERMS);
         aboutCommand.setIsAuthor(false);
@@ -160,14 +167,12 @@ else if(config.getGame().getName().equalsIgnoreCase("none"))
             } 
             catch(Exception e) 
             {
-                log.error("Could not start GUI. If you are "
+                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
         {

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

@@ -46,6 +46,10 @@
  */
 public class AudioHandler extends AudioEventAdapter implements AudioSendHandler 
 {
+    public final static String PLAY_EMOJI  = "\u25B6"; // ▶
+    public final static String PAUSE_EMOJI = "\u23F8"; // ⏸
+    public final static String STOP_EMOJI  = "\u23F9"; // ⏹
+
     private final FairQueue<QueuedTrack> queue = new FairQueue<>();
     private final List<AudioTrack> defaultQueue = new LinkedList<>();
     private final Set<String> votes = new HashSet<>();
@@ -233,12 +237,12 @@ public Message getNowPlaying(JDA jda)
                 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)
+            eb.setDescription(getStatusEmoji()
                     + " "+FormatUtil.progressBar(progress)
                     + " `[" + FormatUtil.formatTime(track.getPosition()) + "/" + FormatUtil.formatTime(track.getDuration()) + "]` "
                     + FormatUtil.volumeIcon(audioPlayer.getVolume()));
 
-            return mb.setEmbed(eb.build()).build();
+            return mb.setEmbeds(eb.build()).build();
         }
         else return null;
     }
@@ -248,9 +252,9 @@ public Message getNoMusicPlaying(JDA jda)
         Guild guild = guild(jda);
         return new MessageBuilder()
                 .setContent(FormatUtil.filter(manager.getBot().getConfig().getSuccess()+" **Now Playing...**"))
-                .setEmbed(new EmbedBuilder()
+                .setEmbeds(new EmbedBuilder()
                 .setTitle("No music playing")
-                .setDescription(JMusicBot.STOP_EMOJI+" "+FormatUtil.progressBar(-1)+" "+FormatUtil.volumeIcon(audioPlayer.getVolume()))
+                .setDescription(STOP_EMOJI+" "+FormatUtil.progressBar(-1)+" "+FormatUtil.volumeIcon(audioPlayer.getVolume()))
                 .setColor(guild.getSelfMember().getColor())
                 .build()).build();
     }
@@ -265,11 +269,16 @@ public String getTopicFormat(JDA jda)
             if(title==null || title.equals("Unknown Title"))
                 title = track.getInfo().uri;
             return "**"+title+"** ["+(userid==0 ? "autoplay" : "<@"+userid+">")+"]"
-                    + "\n" + (audioPlayer.isPaused() ? JMusicBot.PAUSE_EMOJI : JMusicBot.PLAY_EMOJI) + " "
+                    + "\n" + getStatusEmoji() + " "
                     + "[" + FormatUtil.formatTime(track.getDuration()) + "] "
                     + FormatUtil.volumeIcon(audioPlayer.getVolume());
         }
-        else return "No music playing " + JMusicBot.STOP_EMOJI + " " + FormatUtil.volumeIcon(audioPlayer.getVolume());
+        else return "No music playing " + STOP_EMOJI + " " + FormatUtil.volumeIcon(audioPlayer.getVolume());
+    }
+
+    public String getStatusEmoji()
+    {
+        return audioPlayer.isPaused() ? PAUSE_EMOJI : PLAY_EMOJI;
     }
 
     // Audio Send Handler methods

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

@@ -20,7 +20,6 @@
 import com.sedmelluq.discord.lavaplayer.player.DefaultAudioPlayerManager;
 import com.sedmelluq.discord.lavaplayer.source.AudioSourceManagers;
 import com.sedmelluq.discord.lavaplayer.source.youtube.YoutubeAudioSourceManager;
-import com.typesafe.config.Config;
 import net.dv8tion.jda.api.entities.Guild;
 
 /**

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

@@ -68,7 +68,7 @@ protected void execute(CommandEvent event)
                 .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();
+        event.getChannel().sendMessage(builder.setEmbeds(ebuilder.build()).build()).queue();
     }
 
 }

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

@@ -173,7 +173,12 @@ else if (playlist.getSelectedTrack()!=null)
             else
             {
                 int count = loadPlaylist(playlist, null);
-                if(count==0)
+                if(playlist.getTracks().size() == 0)
+                {
+                    m.editMessage(FormatUtil.filter(event.getClient().getWarning()+" The playlist "+(playlist.getName()==null ? "" : "(**"+playlist.getName()
+                            +"**) ")+" could not be loaded or contained 0 entries")).queue();
+                }
+                else 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();

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

@@ -78,7 +78,7 @@ public void doCommand(CommandEvent event)
             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();
+                    .setEmbeds((nowp==null ? nonowp : nowp).getEmbeds().get(0)).build();
             event.reply(built, m -> 
             {
                 if(nowp!=null)
@@ -108,7 +108,7 @@ private String getQueueTitle(AudioHandler ah, String success, int songslength, l
         StringBuilder sb = new StringBuilder();
         if(ah.getPlayer().getPlayingTrack()!=null)
         {
-            sb.append(ah.getPlayer().isPaused() ? JMusicBot.PAUSE_EMOJI : JMusicBot.PLAY_EMOJI).append(" **")
+            sb.append(ah.getStatusEmoji()).append(" **")
                     .append(ah.getPlayer().getPlayingTrack().getInfo().title).append("**\n");
         }
         return FormatUtil.filter(sb.append(success).append(" Current Queue | ").append(songslength)

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

@@ -53,7 +53,7 @@ public List<String> getPlaylistNames()
         else
         {
             createFolder();
-            return Collections.EMPTY_LIST;
+            return Collections.emptyList();
         }
     }
 

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

@@ -130,7 +130,7 @@ public double getSkipRatio()
     @Override
     public Collection<String> getPrefixes()
     {
-        return prefix == null ? Collections.EMPTY_SET : Collections.singleton(prefix);
+        return prefix == null ? Collections.emptySet() : Collections.singleton(prefix);
     }
 
     // Setters

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

@@ -150,7 +150,14 @@ public static OnlineStatus parseStatus(String status)
         return st == null ? OnlineStatus.ONLINE : st;
     }
 
-    public static String checkVersion(Prompt prompt)
+    public static void checkJavaVersion(Prompt prompt)
+    {
+        if(!System.getProperty("java.vm.name").contains("64"))
+            prompt.alert(Prompt.Level.WARNING, "Java Version", 
+                    "It appears that you may not be using a supported Java version. Please use 64-bit java.");
+    }
+
+    public static void checkVersion(Prompt prompt)
     {
         // Get current version number
         String version = getCurrentVersion();
@@ -160,11 +167,8 @@ public static String checkVersion(Prompt prompt)
 
         if(latestVersion!=null && !latestVersion.equals(version))
         {
-            prompt.alert(Prompt.Level.WARNING, "Version", String.format(NEW_VERSION_AVAILABLE, version, latestVersion));
+            prompt.alert(Prompt.Level.WARNING, "JMusicBot Version", String.format(NEW_VERSION_AVAILABLE, version, latestVersion));
         }
-
-        // Return the current version
-        return version;
     }
 
     public static String getCurrentVersion()