Merge branch 'master' into play-behavior-fix-gpg

12 files changed, 167 insertions, 65 deletions

diff --git a/src/bot.ts b/src/bot.ts
index 5d2e97e..b49c1f6 100644
--- a/src/bot.ts
+++ b/src/bot.ts
@@ -11,6 +11,7 @@ import handleVoiceStateUpdate from './events/voice-state-update.js';
 import errorMsg from './utils/error-msg.js';
 import {isUserInVoice} from './utils/channels.js';
 import Config from './services/config.js';
+import {generateDependencyReport} from '@discordjs/voice';
 
 @injectable()
 export default class {
@@ -34,7 +35,7 @@ export default class {
       commandNames.forEach(commandName => this.commands.set(commandName, command));
     });
 
-    this.client.on('message', async (msg: Message) => {
+    this.client.on('messageCreate', async (msg: Message) => {
       // Get guild settings
       if (!msg.guild) {
         return;
@@ -44,7 +45,8 @@ export default class {
 
       if (!settings) {
         // Got into a bad state, send owner welcome message
-        return this.client.emit('guildCreate', msg.guild);
+        this.client.emit('guildCreate', msg.guild);
+        return;
       }
 
       const {prefix, channel} = settings;
@@ -95,6 +97,7 @@ export default class {
     });
 
     this.client.on('ready', async () => {
+      debug(generateDependencyReport());
       console.log(`Ready! Invite the bot with https://discordapp.com/oauth2/authorize?client_id=${this.client.user?.id ?? ''}&scope=bot&permissions=36752448`);
     });
 
diff --git a/src/commands/config.ts b/src/commands/config.ts
index 0e5728a..8f3e0aa 100644
--- a/src/commands/config.ts
+++ b/src/commands/config.ts
@@ -1,4 +1,4 @@
-import {TextChannel, Message, GuildChannel} from 'discord.js';
+import {TextChannel, Message, GuildChannel, ThreadChannel} from 'discord.js';
 import {injectable} from 'inversify';
 import {Settings} from '../models/index.js';
 import errorMsg from '../utils/error-msg.js';
@@ -20,6 +20,7 @@ export default class implements Command {
 
       if (settings) {
         let response = `prefix: \`${settings.prefix}\`\n`;
+        // eslint-disable-next-line @typescript-eslint/no-base-to-string
         response += `channel: ${msg.guild!.channels.cache.get(settings.channel)!.toString()}`;
 
         await msg.channel.send(response);
@@ -35,7 +36,7 @@ export default class implements Command {
       return;
     }
 
-    if (msg.author.id !== msg.guild!.owner!.id) {
+    if (msg.author.id !== msg.guild!.ownerId) {
       await msg.channel.send(errorMsg('not authorized'));
       return;
     }
@@ -51,7 +52,7 @@ export default class implements Command {
       }
 
       case 'channel': {
-        let channel: GuildChannel | undefined;
+        let channel: GuildChannel | ThreadChannel | undefined;
 
         if (args[1].includes('<#') && args[1].includes('>')) {
           channel = msg.guild!.channels.cache.find(c => c.id === args[1].slice(2, args[1].indexOf('>')));
@@ -59,7 +60,7 @@ export default class implements Command {
           channel = msg.guild!.channels.cache.find(c => c.name === args[1]);
         }
 
-        if (channel && channel.type === 'text') {
+        if (channel && channel.type === 'GUILD_TEXT') {
           await Settings.update({channel: channel.id}, {where: {guildId: msg.guild!.id}});
 
           await Promise.all([
diff --git a/src/commands/help.ts b/src/commands/help.ts
index f150c54..7058efd 100644
--- a/src/commands/help.ts
+++ b/src/commands/help.ts
@@ -1,4 +1,4 @@
-import {Message} from 'discord.js';
+import {Message, Util} from 'discord.js';
 import {injectable} from 'inversify';
 import Command from '.';
 import {TYPES} from '../types.js';
@@ -29,7 +29,7 @@ export default class implements Command {
 
     const {prefix} = settings;
 
-    const res = this.commands.sort((a, b) => a.name.localeCompare(b.name)).reduce((content, command) => {
+    const res = Util.splitMessage(this.commands.sort((a, b) => a.name.localeCompare(b.name)).reduce((content, command) => {
       const aliases = command.aliases.reduce((str, alias, i) => {
         str += alias;
 
@@ -53,9 +53,13 @@ export default class implements Command {
       content += '\n';
 
       return content;
-    }, '');
+    }, ''));
+
+    for (const r of res) {
+      // eslint-disable-next-line no-await-in-loop
+      await msg.author.send(r);
+    }
 
-    await msg.author.send(res, {split: true});
     await msg.react('🇩');
     await msg.react('🇲');
   }
diff --git a/src/commands/play.ts b/src/commands/play.ts
index a0e5bb6..8fb5775 100644
--- a/src/commands/play.ts
+++ b/src/commands/play.ts
@@ -37,6 +37,7 @@ export default class implements Command {
     this.getSongs = getSongs;
   }
 
+  // eslint-disable-next-line complexity
   public async execute(msg: Message, args: string[]): Promise<void> {
     const [targetVoiceChannel] = getMemberVoiceChannel(msg.member!) ?? getMostPopularVoiceChannel(msg.guild!);
 
@@ -130,7 +131,6 @@ export default class implements Command {
       if (song) {
         newSongs.push(song);
       } else {
-        console.log(_);
         await res.stop(errorMsg('that doesn\'t exist'));
         return;
       }
diff --git a/src/commands/queue.ts b/src/commands/queue.ts
index 85420e8..1c0735c 100644
--- a/src/commands/queue.ts
+++ b/src/commands/queue.ts
@@ -74,7 +74,7 @@ export default class implements Command {
 
       embed.addField('Page', `${queuePage} out of ${maxQueuePage}`, false);
 
-      await msg.channel.send(embed);
+      await msg.channel.send({embeds: [embed]});
     } else {
       await msg.channel.send('queue empty');
     }
diff --git a/src/commands/remove.ts b/src/commands/remove.ts
new file mode 100644
index 0000000..9c40a71
--- /dev/null
+++ b/src/commands/remove.ts
@@ -0,0 +1,76 @@
+import {Message} from 'discord.js';
+import {inject, injectable} from 'inversify';
+import {TYPES} from '../types.js';
+import PlayerManager from '../managers/player.js';
+import Command from '.';
+import errorMsg from '../utils/error-msg.js';
+
+@injectable()
+export default class implements Command {
+  public name = 'remove';
+  public aliases = ['rm'];
+  public examples = [
+    ['remove 1', 'removes the next song in the queue'],
+    ['rm 5-7', 'remove every song in range 5 - 7 (inclusive) from the queue'],
+  ];
+
+  private readonly playerManager: PlayerManager;
+
+  constructor(@inject(TYPES.Managers.Player) playerManager: PlayerManager) {
+    this.playerManager = playerManager;
+  }
+
+  public async execute(msg: Message, args: string []): Promise<void> {
+    const player = this.playerManager.get(msg.guild!.id);
+
+    if (args.length === 0) {
+      await msg.channel.send(errorMsg('missing song position or range'));
+      return;
+    }
+
+    const reg = /^(\d+)-(\d+)$|^(\d+)$/g; // Expression has 3 groups: x-y or z. x-y is range, z is a single digit.
+    const match = reg.exec(args[0]);
+
+    if (match === null) {
+      await msg.channel.send(errorMsg('incorrect format'));
+      return;
+    }
+
+    if (match[3] === undefined) { // 3rd group (z) doesn't exist -> a range
+      const range = [parseInt(match[1], 10), parseInt(match[2], 10)];
+
+      if (range[0] < 1) {
+        await msg.channel.send(errorMsg('position must be greater than 0'));
+        return;
+      }
+
+      if (range[1] > player.queueSize()) {
+        await msg.channel.send(errorMsg('position is outside of the queue\'s range'));
+        return;
+      }
+
+      if (range[0] < range[1]) {
+        player.removeFromQueue(range[0], range[1] - range[0] + 1);
+      } else {
+        await msg.channel.send(errorMsg('range is backwards'));
+        return;
+      }
+    } else { // 3rd group exists -> just one song
+      const index = parseInt(match[3], 10);
+
+      if (index < 1) {
+        await msg.channel.send(errorMsg('position must be greater than 0'));
+        return;
+      }
+
+      if (index > player.queueSize()) {
+        await msg.channel.send(errorMsg('position is outside of the queue\'s range'));
+        return;
+      }
+
+      player.removeFromQueue(index, 1);
+    }
+
+    await msg.channel.send(':wastebasket: removed');
+  }
+}
diff --git a/src/commands/shortcuts.ts b/src/commands/shortcuts.ts
index 109d5fc..929a5c1 100644
--- a/src/commands/shortcuts.ts
+++ b/src/commands/shortcuts.ts
@@ -55,7 +55,7 @@ export default class implements Command {
           const newShortcut = {shortcut: shortcutName, command, guildId: msg.guild!.id, authorId: msg.author.id};
 
           if (shortcut) {
-            if (shortcut.authorId !== msg.author.id && msg.author.id !== msg.guild!.owner!.id) {
+            if (shortcut.authorId !== msg.author.id && msg.author.id !== msg.guild!.ownerId) {
               await msg.channel.send(errorMsg('you do\'nt have permission to do that'));
               return;
             }
@@ -80,7 +80,7 @@ export default class implements Command {
           }
 
           // Check permissions
-          if (shortcut.authorId !== msg.author.id && msg.author.id !== msg.guild!.owner!.id) {
+          if (shortcut.authorId !== msg.author.id && msg.author.id !== msg.guild!.ownerId) {
             await msg.channel.send(errorMsg('you don\'t have permission to do that'));
             return;
           }
diff --git a/src/events/guild-create.ts b/src/events/guild-create.ts
index 3bcf281..01f0910 100644
--- a/src/events/guild-create.ts
+++ b/src/events/guild-create.ts
@@ -9,7 +9,7 @@ const DEFAULT_PREFIX = '!';
 export default async (guild: Guild): Promise<void> => {
   await Settings.upsert({guildId: guild.id, prefix: DEFAULT_PREFIX});
 
-  const owner = await guild.client.users.fetch(guild.ownerID);
+  const owner = await guild.client.users.fetch(guild.ownerId);
 
   let firstStep = '👋 Hi!\n';
   firstStep += 'I just need to ask a few questions before you start listening to music.\n\n';
@@ -27,7 +27,7 @@ export default async (guild: Guild): Promise<void> => {
   const emojiChannels: EmojiChannel[] = [];
 
   for (const [channelId, channel] of guild.channels.cache) {
-    if (channel.type === 'text') {
+    if (channel.type === 'GUILD_TEXT') {
       emojiChannels.push({
         name: channel.name,
         id: channelId,
@@ -65,7 +65,7 @@ export default async (guild: Guild): Promise<void> => {
 
   await owner.send(secondStep);
 
-  const prefixResponses = await firstStepMsg.channel.awaitMessages((r: Message) => r.content.length === 1, {max: 1});
+  const prefixResponses = await firstStepMsg.channel.awaitMessages({filter: (r: Message) => r.content.length === 1, max: 1});
 
   const prefixCharacter = prefixResponses.first()!.content;
 
diff --git a/src/events/voice-state-update.ts b/src/events/voice-state-update.ts
index 6440949..69b4504 100644
--- a/src/events/voice-state-update.ts
+++ b/src/events/voice-state-update.ts
@@ -1,4 +1,4 @@
-import {VoiceState} from 'discord.js';
+import {VoiceChannel, VoiceState} from 'discord.js';
 import container from '../inversify.config.js';
 import {TYPES} from '../types.js';
 import PlayerManager from '../managers/player.js';
@@ -10,7 +10,8 @@ export default (oldState: VoiceState, _: VoiceState): void => {
   const player = playerManager.get(oldState.guild.id);
 
   if (player.voiceConnection) {
-    if (getSizeWithoutBots(player.voiceConnection.channel) === 0) {
+    const voiceChannel: VoiceChannel = oldState.guild.channels.cache.get(player.voiceConnection.joinConfig.channelId!) as VoiceChannel;
+    if (!voiceChannel || getSizeWithoutBots(voiceChannel) === 0) {
       player.disconnect();
     }
   }
diff --git a/src/inversify.config.ts b/src/inversify.config.ts
index 00a2507..ae17791 100644
--- a/src/inversify.config.ts
+++ b/src/inversify.config.ts
@@ -2,7 +2,7 @@ import 'reflect-metadata';
 import {Container} from 'inversify';
 import {TYPES} from './types.js';
 import Bot from './bot.js';
-import {Client} from 'discord.js';
+import {Client, Intents} from 'discord.js';
 import ConfigProvider from './services/config.js';
 
 // Managers
@@ -21,7 +21,8 @@ import ForwardSeek from './commands/fseek.js';
 import Help from './commands/help.js';
 import Pause from './commands/pause.js';
 import Play from './commands/play.js';
-import QueueCommad from './commands/queue.js';
+import QueueCommand from './commands/queue.js';
+import Remove from './commands/remove.js';
 import Seek from './commands/seek.js';
 import Shortcuts from './commands/shortcuts.js';
 import Shuffle from './commands/shuffle.js';
@@ -32,9 +33,17 @@ import CacheProvider from './services/cache.js';
 
 const container = new Container();
 
+// Intents
+const intents = new Intents();
+intents.add(Intents.FLAGS.GUILDS); // To listen for guildCreate event
+intents.add(Intents.FLAGS.GUILD_MESSAGES); // To listen for messages (messageCreate event)
+intents.add(Intents.FLAGS.DIRECT_MESSAGE_REACTIONS); // To listen for message reactions (messageReactionAdd event)
+intents.add(Intents.FLAGS.DIRECT_MESSAGES); // To receive the prefix message
+intents.add(Intents.FLAGS.GUILD_VOICE_STATES); // To listen for voice state changes (voiceStateUpdate event)
+
 // Bot
 container.bind<Bot>(TYPES.Bot).to(Bot).inSingletonScope();
-container.bind<Client>(TYPES.Client).toConstantValue(new Client());
+container.bind<Client>(TYPES.Client).toConstantValue(new Client({intents}));
 
 // Managers
 container.bind<PlayerManager>(TYPES.Managers.Player).to(PlayerManager).inSingletonScope();
@@ -52,7 +61,8 @@ container.bind<NaturalLanguage>(TYPES.Services.NaturalLanguage).to(NaturalLangua
   Help,
   Pause,
   Play,
-  QueueCommad,
+  QueueCommand,
+  Remove,
   Seek,
   Shortcuts,
   Shuffle,
diff --git a/src/services/player.ts b/src/services/player.ts
index a74cb37..33cb4c2 100644
--- a/src/services/player.ts
+++ b/src/services/player.ts
@@ -1,4 +1,4 @@
-import {VoiceConnection, VoiceChannel, StreamDispatcher, Snowflake, Client, TextChannel} from 'discord.js';
+import {VoiceChannel, Snowflake, Client, TextChannel} from 'discord.js';
 import {promises as fs, createWriteStream} from 'fs';
 import {Readable, PassThrough} from 'stream';
 import path from 'path';
@@ -8,6 +8,7 @@ import {WriteStream} from 'fs-capacitor';
 import ffmpeg from 'fluent-ffmpeg';
 import shuffle from 'array-shuffle';
 import errorMsg from '../utils/error-msg.js';
+import {AudioPlayer, AudioPlayerStatus, createAudioPlayer, createAudioResource, joinVoiceChannel, StreamType, VoiceConnection, VoiceConnectionStatus} from '@discordjs/voice';
 
 export interface QueuedPlaylist {
   title: string;
@@ -35,7 +36,7 @@ export default class {
   private queue: QueuedSong[] = [];
   private queuePosition = 0;
   private readonly cacheDir: string;
-  private dispatcher: StreamDispatcher | null = null;
+  private audioPlayer: AudioPlayer | null = null;
   private nowPlaying: QueuedSong | null = null;
   private playPositionInterval: NodeJS.Timeout | undefined;
   private lastSongURL = '';
@@ -50,23 +51,26 @@ export default class {
   }
 
   async connect(channel: VoiceChannel): Promise<void> {
-    const conn = await channel.join();
+    const conn = joinVoiceChannel({
+      channelId: channel.id,
+      guildId: channel.guild.id,
+      adapterCreator: channel.guild.voiceAdapterCreator,
+    });
 
     this.voiceConnection = conn;
   }
 
-  disconnect(breakConnection = true): void {
+  disconnect(): void {
     if (this.voiceConnection) {
       if (this.status === STATUS.PLAYING) {
         this.pause();
       }
 
-      if (breakConnection) {
-        this.voiceConnection.disconnect();
-      }
+      this.voiceConnection.destroy();
+      this.audioPlayer?.stop();
 
       this.voiceConnection = null;
-      this.dispatcher = null;
+      this.audioPlayer = null;
     }
   }
 
@@ -88,8 +92,11 @@ export default class {
     }
 
     const stream = await this.getStream(currentSong.url, {seek: positionSeconds});
-    this.dispatcher = this.voiceConnection.play(stream, {type: 'webm/opus', bitrate: 'auto'});
-
+    this.audioPlayer = createAudioPlayer();
+    this.voiceConnection.subscribe(this.audioPlayer);
+    this.audioPlayer.play(createAudioResource(stream, {
+      inputType: StreamType.WebmOpus,
+    }));
     this.attachListeners();
     this.startTrackingPosition(positionSeconds);
 
@@ -117,8 +124,8 @@ export default class {
 
     // Resume from paused state
     if (this.status === STATUS.PAUSED && currentSong.url === this.nowPlaying?.url) {
-      if (this.dispatcher) {
-        this.dispatcher.resume();
+      if (this.audioPlayer) {
+        this.audioPlayer.unpause();
         this.status = STATUS.PLAYING;
         this.startTrackingPosition();
         return;
@@ -132,7 +139,11 @@ export default class {
 
     try {
       const stream = await this.getStream(currentSong.url);
-      this.dispatcher = this.voiceConnection.play(stream, {type: 'webm/opus'});
+      this.audioPlayer = createAudioPlayer();
+      this.voiceConnection.subscribe(this.audioPlayer);
+      this.audioPlayer.play(createAudioResource(stream, {
+        inputType: StreamType.WebmOpus,
+      }));
 
       this.attachListeners();
 
@@ -170,8 +181,8 @@ export default class {
 
     this.status = STATUS.PAUSED;
 
-    if (this.dispatcher) {
-      this.dispatcher.pause();
+    if (this.audioPlayer) {
+      this.audioPlayer.pause();
     }
 
     this.stopTrackingPosition();
@@ -230,25 +241,12 @@ export default class {
   }
 
   add(song: QueuedSong, {immediate = false} = {}): void {
-    if (song.playlist) {
+    if (song.playlist || !immediate) {
       // 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;
-        });
-      }
-
+      // Add as the next song to be played
+      const insertAt = this.queuePosition + 1;
       this.queue = [...this.queue.slice(0, insertAt), song, ...this.queue.slice(insertAt)];
     }
   }
@@ -273,6 +271,10 @@ export default class {
     this.queue = newQueue;
   }
 
+  removeFromQueue(index: number, amount = 1): void {
+    this.queue.splice(this.queuePosition + index, amount);
+  }
+
   removeCurrent(): void {
     this.queue = [...this.queue.slice(0, this.queuePosition), ...this.queue.slice(this.queuePosition + 1)];
   }
@@ -369,6 +371,7 @@ export default class {
         '1',
         '-reconnect_delay_max',
         '5',
+        '-re',
       ]);
 
       if (options.seek) {
@@ -440,22 +443,26 @@ export default class {
       return;
     }
 
-    this.voiceConnection.on('disconnect', this.onVoiceConnectionDisconnect.bind(this));
+    if (this.voiceConnection.listeners(VoiceConnectionStatus.Disconnected).length === 0) {
+      this.voiceConnection.on(VoiceConnectionStatus.Disconnected, this.onVoiceConnectionDisconnect.bind(this));
+    }
 
-    if (!this.dispatcher) {
+    if (!this.audioPlayer) {
       return;
     }
 
-    this.dispatcher.on('speaking', this.onVoiceConnectionSpeaking.bind(this));
+    if (this.audioPlayer.listeners('stateChange').length === 0) {
+      this.audioPlayer.on('stateChange', this.onAudioPlayerStateChange.bind(this));
+    }
   }
 
   private onVoiceConnectionDisconnect(): void {
-    this.disconnect(false);
+    this.disconnect();
   }
 
-  private async onVoiceConnectionSpeaking(isSpeaking: boolean): Promise<void> {
+  private async onAudioPlayerStateChange(_oldState: {status: AudioPlayerStatus}, newState: {status: AudioPlayerStatus}): Promise<void> {
     // Automatically advance queued song at end
-    if (!isSpeaking && this.status === STATUS.PLAYING) {
+    if (newState.status === AudioPlayerStatus.Idle && this.status === STATUS.PLAYING) {
       await this.forward(1);
     }
   }
diff --git a/src/utils/channels.ts b/src/utils/channels.ts
index 4c5b6b0..2d074b4 100644
--- a/src/utils/channels.ts
+++ b/src/utils/channels.ts
@@ -3,8 +3,8 @@ import {Guild, VoiceChannel, User, GuildMember} from 'discord.js';
 export const isUserInVoice = (guild: Guild, user: User): boolean => {
   let inVoice = false;
 
-  guild.channels.cache.filter(channel => channel.type === 'voice').forEach(channel => {
-    if (channel.members.array().find(member => member.id === user.id)) {
+  guild.channels.cache.filter(channel => channel.type === 'GUILD_VOICE').forEach(channel => {
+    if ((channel as VoiceChannel).members.find(member => member.id === user.id)) {
       inVoice = true;
     }
   });
@@ -12,7 +12,7 @@ export const isUserInVoice = (guild: Guild, user: User): boolean => {
   return inVoice;
 };
 
-export const getSizeWithoutBots = (channel: VoiceChannel): number => channel.members.array().reduce((s, member) => {
+export const getSizeWithoutBots = (channel: VoiceChannel): number => channel.members.reduce((s, member) => {
   if (!member.user.bot) {
     s++;
   }
@@ -22,7 +22,7 @@ export const getSizeWithoutBots = (channel: VoiceChannel): number => channel.mem
 
 export const getMemberVoiceChannel = (member?: GuildMember): [VoiceChannel, number] | null => {
   const channel = member?.voice?.channel;
-  if (channel && channel.type === 'voice') {
+  if (channel && channel.type === 'GUILD_VOICE') {
     return [
       channel,
       getSizeWithoutBots(channel),
@@ -41,7 +41,7 @@ export const getMostPopularVoiceChannel = (guild: Guild): [VoiceChannel, number]
   const voiceChannels: PopularResult[] = [];
 
   for (const [_, channel] of guild.channels.cache) {
-    if (channel.type === 'voice') {
+    if (channel.type === 'GUILD_VOICE') {
       const size = getSizeWithoutBots(channel as VoiceChannel);
 
       voiceChannels.push({