Added auto-disconnect for music player and improved scheduler

src/main/java/netneutrality/music/MusicManager.java

@@ -16,22 +16,26 @@ import com.sedmelluq.discord.lavaplayer.track.AudioPlaylist;
 import com.sedmelluq.discord.lavaplayer.track.AudioTrack;
 import net.dv8tion.jda.api.entities.*;
 import netneutrality.MusicBot;
+import netneutrality.ThreadManager;
 import netneutrality.handler.LogHandler;
 import netneutrality.utils.MessageFunction;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.TimeUnit;
 
 public class MusicManager {
 
+    private final static Logger logger = LoggerFactory.getLogger(MusicManager.class);
     private final static AudioPlayerManager playerManager = new DefaultAudioPlayerManager();
-    private AudioPlayer player;
-    private TrackScheduler scheduler;
+    private final AudioPlayer player;
+    private final TrackScheduler scheduler;
     private final static Map<String, MusicManager> managers = new ConcurrentHashMap<>();
-    private long guildId;
-    private boolean isPlaying = false;
+    private final long guildId;
     private String topic;
 
     private MusicManager(Guild guild) {
@@ -65,6 +69,11 @@ public class MusicManager {
         if (vChannel != null && !isConnectedTo(vChannel)) {
             Guild guild = MusicBot.getJDA().getGuildById(guildId);
             guild.getAudioManager().openAudioConnection(vChannel);
+
+            ThreadManager.scheduler.scheduleWithFixedDelay(() -> {
+                if (getCurrentlyPlaying() == null && scheduler.queue.isEmpty())
+                    leave();
+            }, 10, 10, TimeUnit.SECONDS);
         } else
             MusicBot.LOGGER.error("Error connecting!");
     }
@@ -74,11 +83,11 @@ public class MusicManager {
         return guild != null && guild.getAudioManager().getConnectedChannel() != null;
     }
 
-    public AudioTrack getCurrentlyPlaying() {
+    public synchronized AudioTrack getCurrentlyPlaying() {
         return player.getPlayingTrack();
     }
 
-    public void leave() {
+    public synchronized void leave() {
         if (isConnected()) {
             stopMusic();
         }
@@ -97,25 +106,26 @@ public class MusicManager {
         player.destroy();
     }
 
-    public static void disconnectPlayers() {
+    public synchronized static void disconnectPlayers() {
         for (MusicManager mm : managers.values()) {
             mm.leave();
         }
     }
 
-    public synchronized void play(String url, TextChannel channel, Member user, boolean silent ) {
+    public synchronized void play(String url, TextChannel channel, Member user, boolean silent) {
 
-        String identifier = SourceFinder.getIdentifier(url, channel);
-        System.out.println(identifier);
+        String identifier = SourceFinder.getIdentifier(url);
+        logger.debug(identifier);
         scheduler.setTextChannel(channel);
 
         if (identifier != null) {
             playerManager.loadItem(identifier, new AudioLoadResultHandler() {
                 @Override
                 public void trackLoaded(AudioTrack audioTrack) {
-                    if (!silent)
-                        channel.sendMessage(MessageFunction.buildAddingTrackMessage(audioTrack, user)).queue();
 
+                    if (!silent) {
+                        channel.sendMessage(MessageFunction.buildAddingTrackMessage(audioTrack, user)).queue();
+                    }
 
                     scheduler.queue(audioTrack);
                 }
@@ -124,7 +134,10 @@ public class MusicManager {
                 public void playlistLoaded(AudioPlaylist playlist) {
 
                     if (identifier.startsWith("ytsearch:")) {
-                        scheduler.queue(playlist.getTracks().get(0));
+                        AudioTrack track = playlist.getTracks().get(0);
+
+                        channel.sendMessage(MessageFunction.buildAddingTrackMessage(track, user)).queue();
+                        scheduler.queue(track);
                     } else {
                         for (AudioTrack track : playlist.getTracks()) {
                             scheduler.queue(track);
@@ -134,7 +147,7 @@ public class MusicManager {
 
                 @Override
                 public void noMatches() {
-                    System.out.println("Oh shit! I got nothing");
+                    channel.sendMessage("No matches found").queue();
                 }
 
                 @Override
@@ -144,17 +157,22 @@ public class MusicManager {
             });
 
 
+        } else {
+            channel.sendMessage("No source found to play the given url").queue();
+            leave();
         }
     }
 
     public synchronized void skip() {
         if (!scheduler.queue.isEmpty()) {
             scheduler.nextTrack();
-        } else
+        } else {
             stopMusic();
+            leave();
+        }
     }
 
-    public void setVolume(int volume) {
+    public synchronized void setVolume(int volume) {
         player.setVolume(volume);
     }
 

src/main/java/netneutrality/music/SourceFinder.java

@@ -21,9 +21,9 @@ enum SourceEnum {
 }
 
 public class SourceFinder {
-    private static Pattern youtubePattern = Pattern.compile("^(?:https?://)?(?:(?:www\\.)?)?(?:youtube\\.com|youtu\\.be)/.*?(?:embed|e|v|watch.*?v=)?/?([-_a-z0-9]{10,})?(?:&?index=\\d+)?(?>(?:playlist\\?|&)?list=([^#\\\\&\\?]{12,}))?", Pattern.CASE_INSENSITIVE);
+    private static final Pattern youtubePattern = Pattern.compile("^(?:https?://)?(?:(?:www\\.)?)?(?:youtube\\.com|youtu\\.be)/.*?(?:embed|e|v|watch.*?v=)?/?([-_a-z0-9]{10,})?(?:&?index=\\d+)?(?>(?:playlist\\?|&)?list=([^#\\\\&\\?]{12,}))?", Pattern.CASE_INSENSITIVE);
+    private static final Pattern soundcloudPattern  = Pattern.compile("^(?:https?://)?(?:www\\.)?(?:m\\.)?soundcloud\\.com/([a-zA-Z0-9-_]+)/([a-zA-Z0-9-_]+)(?:\\\\?.*|)$", Pattern.CASE_INSENSITIVE);
     private static Matcher youtubeMatcher;
-    private static Pattern soundcloudPattern  = Pattern.compile("^(?:https?://)?(?:www\\.)?(?:m\\.)?soundcloud\\.com/([a-zA-Z0-9-_]+)/([a-zA-Z0-9-_]+)(?:\\\\?.*|)$", Pattern.CASE_INSENSITIVE);
     private static Matcher soundcloudMatcher;
     private static Matcher BandcampMatcher;
     private static Matcher vimeoMatcher;
@@ -38,13 +38,13 @@ public class SourceFinder {
         if (soundcloudMatcher.find())
             return SourceEnum.Soundcloud;
 
-        if (url.startsWith("ytsearch:"))
+        if (!(url.startsWith("http://") || url.startsWith("https://")))
             return SourceEnum.YTSearch;
 
         return SourceEnum.Nothing;
     }
 
-    public static String getIdentifier(String url, TextChannel channel) {
+    public static String getIdentifier(String url) {
         String identifier = null;
 
         switch (getSource(url)) {
@@ -56,11 +56,10 @@ public class SourceFinder {
                 identifier = url;
                 break;
             case YTSearch:
-                identifier = url;
+                identifier = "ytsearch:" + url;
                 break;
             case Nothing:
                 identifier = null;
-                channel.sendMessage("No source found to play the given url").queue();
                 break;
         }
 

src/main/java/netneutrality/music/TrackScheduler.java

@@ -28,7 +28,7 @@ public class TrackScheduler extends AudioEventAdapter {
         this.queue = new LinkedBlockingQueue<>();
     }
 
-    public void queue(AudioTrack track) {
+    public synchronized void queue(AudioTrack track) {
         // Calling startTrack with the noInterrupt set to true will start the track only if nothing is currently playing. If
         // something is playing, it returns false and does nothing. In that case the player was already playing so this
         // track goes to the queue instead.
@@ -67,11 +67,14 @@ public class TrackScheduler extends AudioEventAdapter {
         // Start the next track, regardless of if something is already playing or not. In case queue was empty, we are
         // giving null to startTrack, which is a valid argument and will simply stop the player.
         AudioTrack track = queue.poll();
-        if (track != null)
+        if (track != null) {
             channel.getManager().setTopic(":speaker: Now playing : " + track.getInfo().title).queue();
-        else
+            player.startTrack(track, false);
+        } else {
             channel.getManager().setTopic(topic).queue();
-        player.startTrack(track, false);
+
+        }
+
     }
 
     @Override