🐛 Duplicated singleton services and playlist ending

src/clients/discord/discord.voice.service.ts

@@ -170,27 +170,44 @@ export class DiscordVoiceService {
         `Initialized new instance of Audio Player because it has not been defined yet`,
       );
       this.audioPlayer = createAudioPlayer();
-      this.audioPlayer.on('debug', (message) => {
-        this.logger.debug(message);
-      });
-      this.audioPlayer.on('error', (message) => {
-        this.logger.error(message);
-      });
-      this.audioPlayer.on('stateChange', (statusChange) => {
-        if (statusChange.status !== AudioPlayerStatus.AutoPaused) {
-          return;
-        }
-
-        if (!this.playbackService.hasNextTrack()) {
-          return;
-        }
-
-        this.playbackService.nextTrack();
-      });
+      this.attachEventListenersToAudioPlayer();
       this.voiceConnection.subscribe(this.audioPlayer);
       return this.audioPlayer;
     }
 
     return this.audioPlayer;
   }
+
+  private attachEventListenersToAudioPlayer() {
+    this.audioPlayer.on('debug', (message) => {
+      this.logger.debug(message);
+    });
+    this.audioPlayer.on('error', (message) => {
+      this.logger.error(message);
+    });
+    this.audioPlayer.on('stateChange', (previousState) => {
+      if (previousState.status !== AudioPlayerStatus.Playing) {
+        return;
+      }
+
+      if (this.audioPlayer.state.status !== AudioPlayerStatus.Idle) {
+        return;
+      }
+
+      const hasNextTrack = this.playbackService.hasNextTrack();
+
+      this.logger.debug(
+        `Deteced audio player status change from ${previousState.status} to ${
+          this.audioPlayer.state.status
+        }. Has next track: ${hasNextTrack ? 'yes' : 'no'}`,
+      );
+
+      if (!hasNextTrack) {
+        this.logger.debug(`Audio Player has reached the end of the playlist`);
+        return;
+      }
+
+      this.playbackService.nextTrack();
+    });
+  }
 }

src/commands/command.module.ts

@@ -1,17 +1,16 @@
 import { DiscordModule } from '@discord-nestjs/core';
 import { Module } from '@nestjs/common';
 
-import { DiscordMessageService } from '../clients/discord/discord.message.service';
 import { DiscordClientModule } from '../clients/discord/discord.module';
 import { JellyfinClientModule } from '../clients/jellyfin/jellyfin.module';
-import { PlaybackService } from '../playback/playback.service';
+import { PlaybackModule } from '../playback/playback.module';
 import { CurrentTrackCommand } from './current.command';
 import { DisconnectCommand } from './disconnect.command';
 import { EnqueueCommand } from './enqueue.command';
 import { HelpCommand } from './help.command';
 import { PausePlaybackCommand } from './pause.command';
-import { PreviousTrackCommand } from './previous.command';
 import { PlayItemCommand } from './play.comands';
+import { PreviousTrackCommand } from './previous.command';
 import { SkipTrackCommand } from './skip.command';
 import { StatusCommand } from './status.command';
 import { StopPlaybackCommand } from './stop.command';
@@ -22,6 +21,7 @@ import { SummonCommand } from './summon.command';
     DiscordModule.forFeature(),
     JellyfinClientModule,
     DiscordClientModule,
+    PlaybackModule,
   ],
   controllers: [],
   providers: [
@@ -36,8 +36,6 @@ import { SummonCommand } from './summon.command';
     SummonCommand,
     PlayItemCommand,
     PreviousTrackCommand,
-    DiscordMessageService,
-    PlaybackService,
   ],
   exports: [],
 })

src/commands/current.command.ts

@@ -44,7 +44,7 @@ export class CurrentTrackCommand implements DiscordCommand {
           3,
         )}${formatMillisecondsAsHumanReadable(
           track.track.durationInMilliseconds,
-        )} ${isCurrent && ' *(active track)*'}`;
+        )} ${isCurrent ? ' *(active track)*' : ''}`;
       })
       .join(',\n');
 

src/main.ts

@@ -3,6 +3,7 @@ import { AppModule } from './app.module';
 
 async function bootstrap() {
   const app = await NestFactory.create(AppModule);
+  app.enableShutdownHooks();
   await app.listen(3000);
 }
 bootstrap();