Merge Player and Queue services

package.json

@@ -73,6 +73,7 @@
     "dotenv": "^8.2.0",
     "fluent-ffmpeg": "^2.1.2",
     "fs-capacitor": "^6.1.0",
+    "get-youtube-id": "^1.0.1",
     "got": "^10.6.0",
     "hasha": "^5.2.0",
     "inversify": "^5.0.1",

src/bot.ts

@@ -90,8 +90,8 @@ export default class {
 
         await handler.execute(msg, args);
       } catch (error) {
-        console.error(error);
-        await msg.channel.send(errorMsg('¯\\_(ツ)_/¯'));
+        debug(error);
+        await msg.channel.send(errorMsg(error.message.toLowerCase()));
       }
     });
 

src/commands/clear.ts

@@ -1,7 +1,7 @@
 import {Message} from 'discord.js';
 import {TYPES} from '../types';
 import {inject, injectable} from 'inversify';
-import QueueManager from '../managers/queue';
+import PlayerManager from '../managers/player';
 import Command from '.';
 
 @injectable()
@@ -14,14 +14,14 @@ export default class implements Command {
 
   public requiresVC = true;
 
-  private readonly queueManager: QueueManager;
+  private readonly playerManager: PlayerManager;
 
-  constructor(@inject(TYPES.Managers.Queue) queueManager: QueueManager) {
-    this.queueManager = queueManager;
+  constructor(@inject(TYPES.Managers.Player) playerManager: PlayerManager) {
+    this.playerManager = playerManager;
   }
 
   public async execute(msg: Message, _: string []): Promise<void> {
-    this.queueManager.get(msg.guild!.id).clear();
+    this.playerManager.get(msg.guild!.id).clear();
 
     await msg.channel.send('clearer than a field after a fresh harvest');
   }

src/commands/fseek.ts

@@ -2,7 +2,6 @@ import {Message, TextChannel} from 'discord.js';
 import {TYPES} from '../types';
 import {inject, injectable} from 'inversify';
 import PlayerManager from '../managers/player';
-import QueueManager from '../managers/queue';
 import LoadingMessage from '../utils/loading-message';
 import errorMsg from '../utils/error-msg';
 import Command from '.';
@@ -18,17 +17,15 @@ export default class implements Command {
   public requiresVC = true;
 
   private readonly playerManager: PlayerManager;
-  private readonly queueManager: QueueManager;
 
-  constructor(@inject(TYPES.Managers.Player) playerManager: PlayerManager, @inject(TYPES.Managers.Queue) queueManager: QueueManager) {
+  constructor(@inject(TYPES.Managers.Player) playerManager: PlayerManager) {
     this.playerManager = playerManager;
-    this.queueManager = queueManager;
   }
 
   public async execute(msg: Message, args: string []): Promise<void> {
-    const queue = this.queueManager.get(msg.guild!.id);
+    const player = this.playerManager.get(msg.guild!.id);
 
-    const currentSong = queue.getCurrent();
+    const currentSong = player.getCurrent();
 
     if (!currentSong) {
       await msg.channel.send(errorMsg('nothing is playing'));
@@ -42,7 +39,7 @@ export default class implements Command {
 
     const seekTime = parseInt(args[0], 10);
 
-    if (seekTime + this.playerManager.get(msg.guild!.id).getPosition() > currentSong.length) {
+    if (seekTime + player.getPosition() > currentSong.length) {
       await msg.channel.send(errorMsg('can\'t seek past the end of the song'));
       return;
     }
@@ -52,7 +49,7 @@ export default class implements Command {
     await loading.start();
 
     try {
-      await this.playerManager.get(msg.guild!.id).forwardSeek(seekTime);
+      await player.forwardSeek(seekTime);
 
       await loading.stop();
     } catch (error) {

src/commands/play.ts

@@ -2,9 +2,8 @@ import {TextChannel, Message} from 'discord.js';
 import {URL} from 'url';
 import {TYPES} from '../types';
 import {inject, injectable} from 'inversify';
-import {QueuedSong} from '../services/queue';
+import {QueuedSong} from '../services/player';
 import {STATUS} from '../services/player';
-import QueueManager from '../managers/queue';
 import PlayerManager from '../managers/player';
 import {getMostPopularVoiceChannel} from '../utils/channels';
 import LoadingMessage from '../utils/loading-message';
@@ -28,12 +27,10 @@ export default class implements Command {
 
   public requiresVC = true;
 
-  private readonly queueManager: QueueManager;
   private readonly playerManager: PlayerManager;
   private readonly getSongs: GetSongs;
 
-  constructor(@inject(TYPES.Managers.Queue) queueManager: QueueManager, @inject(TYPES.Managers.Player) playerManager: PlayerManager, @inject(TYPES.Services.GetSongs) getSongs: GetSongs) {
-    this.queueManager = queueManager;
+  constructor(@inject(TYPES.Managers.Player) playerManager: PlayerManager, @inject(TYPES.Services.GetSongs) getSongs: GetSongs) {
     this.playerManager = playerManager;
     this.getSongs = getSongs;
   }
@@ -44,11 +41,10 @@ export default class implements Command {
     const res = new LoadingMessage(msg.channel as TextChannel);
     await res.start();
 
-    const queue = this.queueManager.get(msg.guild!.id);
     const player = this.playerManager.get(msg.guild!.id);
 
-    const queueOldSize = queue.size();
-    const wasPlayingSong = queue.getCurrent() !== null;
+    const queueOldSize = player.queueSize();
+    const wasPlayingSong = player.getCurrent() !== null;
 
     if (args.length === 0) {
       if (player.status === STATUS.PLAYING) {
@@ -57,7 +53,7 @@ export default class implements Command {
       }
 
       // Must be resuming play
-      if (queue.get().length === 0 && !queue.getCurrent()) {
+      if (!wasPlayingSong) {
         await res.stop(errorMsg('nothing to play'));
         return;
       }
@@ -101,11 +97,15 @@ export default class implements Command {
           extraMsg = 'a random sample of 50 songs was taken';
         }
 
+        if (totalSongs > 50 && nSongsNotFound !== 0) {
+          extraMsg += ' and ';
+        }
+
         if (nSongsNotFound !== 0) {
           if (nSongsNotFound === 1) {
-            extraMsg += 'and 1 song was not found';
+            extraMsg += '1 song was not found';
           } else {
-            extraMsg += `and ${nSongsNotFound.toString()} songs were not found`;
+            extraMsg += `${nSongsNotFound.toString()} songs were not found`;
           }
         }
 
@@ -130,7 +130,7 @@ export default class implements Command {
       return;
     }
 
-    newSongs.forEach(song => queue.add(song));
+    newSongs.forEach(song => player.add(song));
 
     const firstSong = newSongs[0];
 

src/commands/queue.ts

@@ -1,13 +1,13 @@
 import {Message, MessageEmbed} from 'discord.js';
 import {TYPES} from '../types';
 import {inject, injectable} from 'inversify';
-import QueueManager from '../managers/queue';
 import PlayerManager from '../managers/player';
 import {STATUS} from '../services/player';
 import Command from '.';
 import getProgressBar from '../utils/get-progress-bar';
 import errorMsg from '../utils/error-msg';
 import {prettyTime} from '../utils/time';
+import getYouTubeID from 'get-youtube-id';
 
 const PAGE_SIZE = 10;
 
@@ -19,22 +19,19 @@ export default class implements Command {
     ['queue', 'shows current queue']
   ];
 
-  private readonly queueManager: QueueManager;
   private readonly playerManager: PlayerManager;
 
-  constructor(@inject(TYPES.Managers.Queue) queueManager: QueueManager, @inject(TYPES.Managers.Player) playerManager: PlayerManager) {
-    this.queueManager = queueManager;
+  constructor(@inject(TYPES.Managers.Player) playerManager: PlayerManager) {
     this.playerManager = playerManager;
   }
 
   public async execute(msg: Message, args: string []): Promise<void> {
-    const queue = this.queueManager.get(msg.guild!.id);
     const player = this.playerManager.get(msg.guild!.id);
 
-    const currentlyPlaying = queue.getCurrent();
+    const currentlyPlaying = player.getCurrent();
 
     if (currentlyPlaying) {
-      const queueSize = queue.size();
+      const queueSize = player.queueSize();
       const queuePage = args[0] ? parseInt(args[0], 10) : 1;
 
       if (queuePage * PAGE_SIZE > queueSize && queuePage > Math.ceil((queueSize + 1) / PAGE_SIZE)) {
@@ -45,23 +42,30 @@ export default class implements Command {
       const embed = new MessageEmbed();
 
       embed.setTitle(currentlyPlaying.title);
-      embed.setURL(`https://www.youtube.com/watch?v=${currentlyPlaying.url}`);
-      embed.setFooter(`Source: ${currentlyPlaying.artist}`);
+      embed.setURL(`https://www.youtube.com/watch?v=${currentlyPlaying.url.length === 11 ? currentlyPlaying.url : getYouTubeID(currentlyPlaying.url) ?? ''}`);
 
       let description = player.status === STATUS.PLAYING ? '⏹️' : '▶️';
       description += ' ';
       description += getProgressBar(20, player.getPosition() / currentlyPlaying.length);
       description += ' ';
-      description += `\`[${prettyTime(player.getPosition())}/${prettyTime(currentlyPlaying.length)}]\``;
+      description += `\`[${prettyTime(player.getPosition())}/${currentlyPlaying.isLive ? 'live' : prettyTime(currentlyPlaying.length)}]\``;
       description += ' 🔉';
-      description += queue.isEmpty() ? '' : '\n\n**Next up:**';
+      description += player.isQueueEmpty() ? '' : '\n\n**Next up:**';
 
       embed.setDescription(description);
 
+      let footer = `Source: ${currentlyPlaying.artist}`;
+
+      if (currentlyPlaying.playlist) {
+        footer += ` (${currentlyPlaying.playlist.title})`;
+      }
+
+      embed.setFooter(footer);
+
       const queuePageBegin = (queuePage - 1) * PAGE_SIZE;
       const queuePageEnd = queuePageBegin + PAGE_SIZE;
 
-      queue.get().slice(queuePageBegin, queuePageEnd).forEach((song, i) => {
+      player.getQueue().slice(queuePageBegin, queuePageEnd).forEach((song, i) => {
         embed.addField(`${(i + 1 + queuePageBegin).toString()}/${queueSize.toString()}`, song.title, false);
       });
 

src/commands/seek.ts

@@ -2,7 +2,6 @@ import {Message, TextChannel} from 'discord.js';
 import {TYPES} from '../types';
 import {inject, injectable} from 'inversify';
 import PlayerManager from '../managers/player';
-import QueueManager from '../managers/queue';
 import LoadingMessage from '../utils/loading-message';
 import errorMsg from '../utils/error-msg';
 import Command from '.';
@@ -20,17 +19,15 @@ export default class implements Command {
   public requiresVC = true;
 
   private readonly playerManager: PlayerManager;
-  private readonly queueManager: QueueManager;
 
-  constructor(@inject(TYPES.Managers.Player) playerManager: PlayerManager, @inject(TYPES.Managers.Queue) queueManager: QueueManager) {
+  constructor(@inject(TYPES.Managers.Player) playerManager: PlayerManager) {
     this.playerManager = playerManager;
-    this.queueManager = queueManager;
   }
 
   public async execute(msg: Message, args: string []): Promise<void> {
-    const queue = this.queueManager.get(msg.guild!.id);
+    const player = this.playerManager.get(msg.guild!.id);
 
-    const currentSong = queue.getCurrent();
+    const currentSong = player.getCurrent();
 
     if (!currentSong) {
       await msg.channel.send(errorMsg('nothing is playing'));
@@ -69,7 +66,7 @@ export default class implements Command {
     await loading.start();
 
     try {
-      await this.playerManager.get(msg.guild!.id).seek(seekTime);
+      await player.seek(seekTime);
 
       await loading.stop();
     } catch (error) {

src/commands/shuffle.ts

@@ -1,7 +1,7 @@
 import {Message} from 'discord.js';
 import {TYPES} from '../types';
 import {inject, injectable} from 'inversify';
-import QueueManager from '../managers/queue';
+import PlayerManager from '../managers/player';
 import errorMsg from '../utils/error-msg';
 import Command from '.';
 
@@ -15,23 +15,22 @@ export default class implements Command {
 
   public requiresVC = true;
 
-  private readonly queueManager: QueueManager;
+  private readonly playerManager: PlayerManager;
 
-  constructor(@inject(TYPES.Managers.Queue) queueManager: QueueManager) {
-    this.queueManager = queueManager;
+  constructor(@inject(TYPES.Managers.Player) playerManager: PlayerManager) {
+    this.playerManager = playerManager;
   }
 
   public async execute(msg: Message, _: string []): Promise<void> {
-    const queue = this.queueManager.get(msg.guild!.id).get();
+    const player = this.playerManager.get(msg.guild!.id);
 
-    if (queue.length <= 2) {
+    if (player.isQueueEmpty()) {
       await msg.channel.send(errorMsg('not enough songs to shuffle'));
       return;
     }
 
-    this.queueManager.get(msg.guild!.id).shuffle();
+    player.shuffle();
 
-    // TODO: better response
     await msg.channel.send('shuffled');
   }
 }

src/commands/skip.ts

@@ -1,9 +1,10 @@
-import {Message} from 'discord.js';
+import {Message, TextChannel} from 'discord.js';
 import {TYPES} from '../types';
 import {inject, injectable} from 'inversify';
 import PlayerManager from '../managers/player';
-import QueueManager from '../managers/queue';
 import Command from '.';
+import LoadingMessage from '../utils/loading-message';
+import errorMsg from '../utils/error-msg';
 
 @injectable()
 export default class implements Command {
@@ -15,29 +16,24 @@ export default class implements Command {
 
   public requiresVC = true;
 
-  private readonly queueManager: QueueManager;
   private readonly playerManager: PlayerManager;
 
-  constructor(@inject(TYPES.Managers.Queue) queueManager: QueueManager, @inject(TYPES.Managers.Player) playerManager: PlayerManager) {
-    this.queueManager = queueManager;
+  constructor(@inject(TYPES.Managers.Player) playerManager: PlayerManager) {
     this.playerManager = playerManager;
   }
 
   public async execute(msg: Message, _: string []): Promise<void> {
-    const queue = this.queueManager.get(msg.guild!.id);
     const player = this.playerManager.get(msg.guild!.id);
 
+    const loader = new LoadingMessage(msg.channel as TextChannel);
+
     try {
-      queue.forward();
-      player.resetPosition();
+      await loader.start();
+      await player.forward();
 
-      if (queue.isEmpty() && !queue.getCurrent()) {
-        player.disconnect();
-      }
-
-      await msg.channel.send('keep \'er movin\'');
+      await loader.stop('keep \'er movin\'');
     } catch (_) {
-      await msg.channel.send('no song to skip to');
+      await loader.stop(errorMsg('no song to skip to'));
     }
   }
 }

src/commands/unskip.ts

@@ -2,7 +2,6 @@ import {Message} from 'discord.js';
 import {TYPES} from '../types';
 import {inject, injectable} from 'inversify';
 import PlayerManager from '../managers/player';
-import QueueManager from '../managers/queue';
 import errorMsg from '../utils/error-msg';
 import Command from '.';
 
@@ -16,21 +15,17 @@ export default class implements Command {
 
   public requiresVC = true;
 
-  private readonly queueManager: QueueManager;
   private readonly playerManager: PlayerManager;
 
-  constructor(@inject(TYPES.Managers.Queue) queueManager: QueueManager, @inject(TYPES.Managers.Player) playerManager: PlayerManager) {
-    this.queueManager = queueManager;
+  constructor(@inject(TYPES.Managers.Player) playerManager: PlayerManager) {
     this.playerManager = playerManager;
   }
 
   public async execute(msg: Message, _: string []): Promise<void> {
-    const queue = this.queueManager.get(msg.guild!.id);
     const player = this.playerManager.get(msg.guild!.id);
 
     try {
-      queue.back();
-      player.resetPosition();
+      await player.back();
 
       await msg.channel.send('back \'er up\'');
     } catch (_) {

src/inversify.config.ts

@@ -17,7 +17,6 @@ import {
 
 // Managers
 import PlayerManager from './managers/player';
-import QueueManager from './managers/queue';
 
 // Helpers
 import GetSongs from './services/get-songs';
@@ -47,7 +46,6 @@ container.bind<Client>(TYPES.Client).toConstantValue(new Client());
 
 // Managers
 container.bind<PlayerManager>(TYPES.Managers.Player).to(PlayerManager).inSingletonScope();
-container.bind<QueueManager>(TYPES.Managers.Queue).to(QueueManager).inSingletonScope();
 
 // Helpers
 container.bind<GetSongs>(TYPES.Services.GetSongs).to(GetSongs).inSingletonScope();

src/managers/player.ts

@@ -1,25 +1,22 @@
 import {inject, injectable} from 'inversify';
 import {TYPES} from '../types';
 import Player from '../services/player';
-import QueueManager from './queue';
 
 @injectable()
 export default class {
   private readonly guildPlayers: Map<string, Player>;
   private readonly cacheDir: string;
-  private readonly queueManager: QueueManager;
 
-  constructor(@inject(TYPES.Config.CACHE_DIR) cacheDir: string, @inject(TYPES.Managers.Queue) queueManager: QueueManager) {
+  constructor(@inject(TYPES.Config.CACHE_DIR) cacheDir: string) {
     this.guildPlayers = new Map();
     this.cacheDir = cacheDir;
-    this.queueManager = queueManager;
   }
 
   get(guildId: string): Player {
     let player = this.guildPlayers.get(guildId);
 
     if (!player) {
-      player = new Player(this.queueManager.get(guildId), this.cacheDir);
+      player = new Player(this.cacheDir);
 
       this.guildPlayers.set(guildId, player);
     }

src/managers/queue.ts

@@ -1,23 +0,0 @@
-import {injectable} from 'inversify';
-import Queue from '../services/queue';
-
-@injectable()
-export default class {
-  private readonly guildQueues: Map<string, Queue>;
-
-  constructor() {
-    this.guildQueues = new Map();
-  }
-
-  get(guildId: string): Queue {
-    let queue = this.guildQueues.get(guildId);
-
-    if (!queue) {
-      queue = new Queue();
-
-      this.guildQueues.set(guildId, queue);
-    }
-
-    return queue;
-  }
-}

src/services/get-songs.ts

@@ -8,8 +8,9 @@ import ytsr from 'ytsr';
 import YouTube from 'youtube.ts';
 import pLimit from 'p-limit';
 import uniqueRandomArray from 'unique-random-array';
-import {QueuedSong, QueuedPlaylist} from '../services/queue';
+import {QueuedSong, QueuedPlaylist} from '../services/player';
 import {TYPES} from '../types';
+import {parseTime} from '../utils/time';
 
 @injectable()
 export default class {
@@ -186,7 +187,7 @@ export default class {
       return {
         title: video.title,
         artist: track.artists[0].name,
-        length: track.duration_ms / 1000,
+        length: parseTime(video.duration),
         url: video.link,
         playlist,
         isLive: video.live

src/services/natural-language-commands.ts

@@ -2,17 +2,14 @@ import {inject, injectable} from 'inversify';
 import {Message} from 'discord.js';
 import {TYPES} from '../types';
 import PlayerManager from '../managers/player';
-import QueueManager from '../managers/queue';
 import {getMostPopularVoiceChannel} from '../utils/channels';
 
 @injectable()
 export default class {
   private readonly playerManager: PlayerManager;
-  private readonly queueManager: QueueManager;
 
-  constructor(@inject(TYPES.Managers.Player) playerManager: PlayerManager, @inject(TYPES.Managers.Queue) queueManager: QueueManager) {
+  constructor(@inject(TYPES.Managers.Player) playerManager: PlayerManager) {
     this.playerManager = playerManager;
-    this.queueManager = queueManager;
   }
 
   async execute(msg: Message): Promise<boolean> {
@@ -24,7 +21,6 @@ export default class {
     }
 
     if (msg.content.includes('packers')) {
-      const queue = this.queueManager.get(msg.guild!.id);
       const player = this.playerManager.get(msg.guild!.id);
 
       const [channel, n] = getMostPopularVoiceChannel(msg.guild!);
@@ -39,14 +35,15 @@ export default class {
         await player.connect(channel);
       }
 
-      const isPlaying = queue.getCurrent() !== null;
+      const isPlaying = player.getCurrent() !== null;
       let oldPosition = 0;
 
-      queue.add({title: 'GO PACKERS!', artist: 'Unknown', url: 'https://www.youtube.com/watch?v=qkdtID7mY3E', length: 204, playlist: null, isLive: false});
+      player.add({title: 'GO PACKERS!', artist: 'Unknown', url: 'https://www.youtube.com/watch?v=qkdtID7mY3E', length: 204, playlist: null, isLive: false}, {immediate: true});
 
       if (isPlaying) {
         oldPosition = player.getPosition();
-        queue.forward();
+
+        await player.forward();
       }
 
       await player.seek(8);
@@ -54,10 +51,10 @@ export default class {
       return new Promise((resolve, reject) => {
         try {
           setTimeout(async () => {
-            queue.removeCurrent();
+            player.removeCurrent();
 
             if (isPlaying) {
-              queue.back();
+              await player.back();
               await player.seek(oldPosition);
             } else {
               player.disconnect();

src/services/player.ts

@@ -6,7 +6,21 @@ import hasha from 'hasha';
 import ytdl from 'ytdl-core';
 import {WriteStream} from 'fs-capacitor';
 import ffmpeg from 'fluent-ffmpeg';
-import Queue, {QueuedSong} from './queue';
+import shuffle from 'array-shuffle';
+
+export interface QueuedPlaylist {
+  title: string;
+  source: string;
+}
+
+export interface QueuedSong {
+  title: string;
+  artist: string;
+  url: string;
+  length: number;
+  playlist: QueuedPlaylist | null;
+  isLive: boolean;
+}
 
 export enum STATUS {
   PLAYING,
@@ -16,7 +30,8 @@ export enum STATUS {
 export default class {
   public status = STATUS.PAUSED;
   public voiceConnection: VoiceConnection | null = null;
-  private readonly queue: Queue;
+  private queue: QueuedSong[] = [];
+  private queuePosition = 0;
   private readonly cacheDir: string;
   private dispatcher: StreamDispatcher | null = null;
   private nowPlaying: QueuedSong | null = null;
@@ -25,8 +40,7 @@ export default class {
 
   private positionInSeconds = 0;
 
-  constructor(queue: Queue, cacheDir: string) {
-    this.queue = queue;
+  constructor(cacheDir: string) {
     this.cacheDir = cacheDir;
   }
 
@@ -58,7 +72,7 @@ export default class {
       throw new Error('Not connected to a voice channel.');
     }
 
-    const currentSong = this.queue.getCurrent();
+    const currentSong = this.getCurrent();
 
     if (!currentSong) {
       throw new Error('No song currently playing');
@@ -90,14 +104,14 @@ export default class {
       throw new Error('Not connected to a voice channel.');
     }
 
-    const currentSong = this.queue.getCurrent();
+    const currentSong = this.getCurrent();
 
     if (!currentSong) {
       throw new Error('Queue empty.');
     }
 
     // Resume from paused state
-    if (this.status === STATUS.PAUSED && this.getPosition() !== 0 && currentSong.url === this.nowPlaying?.url) {
+    if (this.status === STATUS.PAUSED && currentSong.url === this.nowPlaying?.url) {
       if (this.dispatcher) {
         this.dispatcher.resume();
         this.status = STATUS.PLAYING;
@@ -109,20 +123,25 @@ export default class {
       return this.seek(this.getPosition());
     }
 
-    const stream = await this.getStream(currentSong.url);
-    this.dispatcher = this.voiceConnection.play(stream, {type: 'webm/opus'});
+    try {
+      const stream = await this.getStream(currentSong.url);
+      this.dispatcher = this.voiceConnection.play(stream, {type: 'webm/opus'});
 
-    this.attachListeners();
+      this.attachListeners();
 
-    this.status = STATUS.PLAYING;
-    this.nowPlaying = currentSong;
+      this.status = STATUS.PLAYING;
+      this.nowPlaying = currentSong;
 
-    if (currentSong.url === this.lastSongURL) {
-      this.startTrackingPosition();
-    } else {
-      // Reset position counter
-      this.startTrackingPosition(0);
-      this.lastSongURL = currentSong.url;
+      if (currentSong.url === this.lastSongURL) {
+        this.startTrackingPosition();
+      } else {
+        // Reset position counter
+        this.startTrackingPosition(0);
+        this.lastSongURL = currentSong.url;
+      }
+    } catch (error) {
+      this.removeCurrent();
+      throw error;
     }
   }
 
@@ -140,8 +159,103 @@ export default class {
     this.stopTrackingPosition();
   }
 
-  resetPosition(): void {
-    this.positionInSeconds = 0;
+  async forward(): Promise<void> {
+    if (this.queuePosition < this.queueSize() + 1) {
+      this.queuePosition++;
+
+      try {
+        if (this.getCurrent() && this.status !== STATUS.PAUSED) {
+          await this.play();
+        } else {
+          this.status = STATUS.PAUSED;
+          this.disconnect();
+        }
+      } catch (error) {
+        this.queuePosition--;
+        throw error;
+      }
+    } else {
+      throw new Error('No songs in queue to forward to.');
+    }
+  }
+
+  async back(): Promise<void> {
+    if (this.queuePosition - 1 >= 0) {
+      this.queuePosition--;
+      this.positionInSeconds = 0;
+
+      if (this.status !== STATUS.PAUSED) {
+        await this.play();
+      }
+    } else {
+      throw new Error('No songs in queue to go back to.');
+    }
+  }
+
+  getCurrent(): QueuedSong | null {
+    if (this.queue[this.queuePosition]) {
+      return this.queue[this.queuePosition];
+    }
+
+    return null;
+  }
+
+  getQueue(): QueuedSong[] {
+    return this.queue.slice(this.queuePosition + 1);
+  }
+
+  add(song: QueuedSong, {immediate = false} = {}): void {
+    if (song.playlist) {
+      // Add to end of queue
+      this.queue.push(song);
+    } else {
+      // Not from playlist, add immediately
+      let insertAt = this.queuePosition + 1;
+
+      if (!immediate) {
+      // Loop until playlist song
+        this.queue.some(song => {
+          if (song.playlist) {
+            return true;
+          }
+
+          insertAt++;
+          return false;
+        });
+      }
+
+      this.queue = [...this.queue.slice(0, insertAt), song, ...this.queue.slice(insertAt)];
+    }
+  }
+
+  shuffle(): void {
+    this.queue = [...this.queue.slice(0, this.queuePosition + 1), ...shuffle(this.queue.slice(this.queuePosition + 1))];
+  }
+
+  clear(): void {
+    const newQueue = [];
+
+    // Don't clear curently playing song
+    const current = this.getCurrent();
+
+    if (current) {
+      newQueue.push(current);
+    }
+
+    this.queuePosition = 0;
+    this.queue = newQueue;
+  }
+
+  removeCurrent(): void {
+    this.queue = [...this.queue.slice(0, this.queuePosition), ...this.queue.slice(this.queuePosition + 1)];
+  }
+
+  queueSize(): number {
+    return this.getQueue().length;
+  }
+
+  isQueueEmpty(): boolean {
+    return this.queueSize() === 0;
   }
 
   private getCachedPath(url: string): string {
@@ -271,30 +385,23 @@ export default class {
       return;
     }
 
-    this.voiceConnection.on('disconnect', () => {
-      this.disconnect(false);
-    });
+    this.voiceConnection.on('disconnect', this.onVoiceConnectionDisconnect.bind(this));
 
     if (!this.dispatcher) {
       return;
     }
 
-    this.dispatcher.on('speaking', async isSpeaking => {
-      // Automatically advance queued song at end
-      if (!isSpeaking && this.status === STATUS.PLAYING) {
-        if (this.queue.size() >= 0) {
-          this.queue.forward();
+    this.dispatcher.on('speaking', this.onVoiceConnectionSpeaking.bind(this));
+  }
 
-          this.positionInSeconds = 0;
+  private onVoiceConnectionDisconnect(): void {
+    this.disconnect(false);
+  }
 
-          if (this.queue.getCurrent()) {
-            await this.play();
-          } else {
-            this.status = STATUS.PAUSED;
-            this.disconnect();
-          }
-        }
-      }
-    });
+  private async onVoiceConnectionSpeaking(isSpeaking: boolean): Promise<void> {
+    // Automatically advance queued song at end
+    if (!isSpeaking && this.status === STATUS.PLAYING) {
+      await this.forward();
+    }
   }
 }

src/services/queue.ts

@@ -1,97 +0,0 @@
-import shuffle from 'array-shuffle';
-
-export interface QueuedPlaylist {
-  title: string;
-  source: string;
-}
-
-export interface QueuedSong {
-  title: string;
-  artist: string;
-  url: string;
-  length: number;
-  playlist: QueuedPlaylist | null;
-  isLive: boolean;
-}
-
-export default class {
-  private queue: QueuedSong[] = [];
-  private position = 0;
-
-  forward(): void {
-    if (this.position < this.size() + 1) {
-      this.position++;
-    } else {
-      throw new Error('No songs in queue to forward to.');
-    }
-  }
-
-  back(): void {
-    if (this.position - 1 >= 0) {
-      this.position--;
-    } else {
-      throw new Error('No songs in queue to go back to.');
-    }
-  }
-
-  getCurrent(): QueuedSong | null {
-    if (this.queue[this.position]) {
-      return this.queue[this.position];
-    }
-
-    return null;
-  }
-
-  get(): QueuedSong[] {
-    return this.queue.slice(this.position + 1);
-  }
-
-  add(song: QueuedSong): void {
-    if (song.playlist) {
-      // Add to end of queue
-      this.queue.push(song);
-    } else {
-      // Not from playlist, add immediately
-      let insertAt = this.position;
-
-      // Loop until playlist song
-      this.queue.some(song => {
-        if (song.playlist) {
-          return true;
-        }
-
-        insertAt++;
-        return false;
-      });
-
-      this.queue = [...this.queue.slice(0, insertAt), song, ...this.queue.slice(insertAt)];
-    }
-  }
-
-  shuffle(): void {
-    this.queue = [...this.queue.slice(0, this.position), this.queue[this.position], this.queue[0], ...shuffle(this.queue.slice(this.position + 1))];
-  }
-
-  clear(): void {
-    const newQueue = [];
-
-    // Don't clear curently playing song
-    if (this.queue.length > 0) {
-      newQueue.push(this.queue[this.position]);
-    }
-
-    this.queue = newQueue;
-  }
-
-  removeCurrent(): void {
-    this.queue = [...this.queue.slice(0, this.position), ...this.queue.slice(this.position + 1)];
-  }
-
-  size(): number {
-    return this.get().length;
-  }
-
-  isEmpty(): boolean {
-    return this.get().length === 0;
-  }
-}

src/types.ts

@@ -14,8 +14,7 @@ export const TYPES = {
     Spotify: Symbol('Spotify')
   },
   Managers: {
-    Player: Symbol('PlayerManager'),
-    Queue: Symbol('QueueManager')
+    Player: Symbol('PlayerManager')
   },
   Services: {
     GetSongs: Symbol('GetSongs'),

src/utils/loading-message.ts

@@ -60,10 +60,16 @@ export default class {
   }
 
   async stop(str = 'u betcha'): Promise<Message> {
+    const wasAlreadyStopped = this.isStopped;
+
     this.isStopped = true;
 
     if (str) {
-      await Promise.all([this.msg.reactions.removeAll(), this.msg.edit(str)]);
+      if (wasAlreadyStopped) {
+        await this.msg.edit(str);
+      } else {
+        await Promise.all([this.msg.reactions.removeAll(), this.msg.edit(str)]);
+      }
     } else {
       await this.msg.reactions.removeAll();
     }

src/utils/time.ts

@@ -13,3 +13,5 @@ export const prettyTime = (seconds: number): string => {
 
   return res;
 };
+
+export const parseTime = (str: string): number => str.split(':').reduce((acc, time) => (60 * acc) + parseInt(time, 10), 0);

yarn.lock

@@ -1160,6 +1160,11 @@ get-stream@^5.0.0, get-stream@^5.1.0:
   dependencies:
     pump "^3.0.0"
 
+get-youtube-id@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/get-youtube-id/-/get-youtube-id-1.0.1.tgz#adb6f475e292d98f98ed5bfb530887656193e157"
+  integrity sha512-5yidLzoLXbtw82a/Wb7LrajkGn29BM6JuLWeHyNfzOGp1weGyW4+7eMz6cP23+etqj27VlOFtq8fFFDMLq/FXQ==
+
 getpass@^0.1.1:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/getpass/-/getpass-0.1.7.tgz#5eff8e3e684d569ae4cb2b1282604e8ba62149fa"