Modularized audio backend

1 files changed, 57 insertions, 0 deletions

diff --git a/backend/VoiceInitialization.js b/backend/VoiceInitialization.js
new file mode 100644
index 0000000..61d4734
--- /dev/null
+++ b/backend/VoiceInitialization.js
@@ -0,0 +1,57 @@
+/**************************************************************************
+ *
+ *  DLAP Bot: A Discord bot that plays local audio tracks.
+ *  (C) Copyright 2022
+ *  Programmed by Andrew Lee
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ ***************************************************************************/
+import { readFileSync } from 'node:fs';
+import { createAudioPlayer, joinVoiceChannel, VoiceConnectionStatus } from '@discordjs/voice';
+import { nextAudio } from './AudioControl.js';
+import { shufflePlaylist, orderPlaylist } from './QueueSystem.js';
+
+const { voiceChannel, shuffle } = JSON.parse(readFileSync('./config.json', 'utf-8'));
+export const player = createAudioPlayer();
+export async function voiceInit(bot) {
+  bot.channels.fetch(voiceChannel).then(async channel => {
+    const connection = joinVoiceChannel({
+      channelId: channel.id,
+      guildId: channel.guild.id,
+      adapterCreator: channel.guild.voiceAdapterCreator
+    });
+
+    connection.on(VoiceConnectionStatus.Ready, async() => {
+      console.log('Ready to blast some beats!');
+      return (shuffle === true) ? await shufflePlaylist(bot) : await orderPlaylist(bot);
+    });
+
+    connection.on(VoiceConnectionStatus.Destroyed, () => {
+      console.log('Destroyed the beats...');
+    });
+
+    player.on('error', error => {
+      console.error(error);
+      nextAudio(bot);
+    });
+
+    player.on('idle', () => {
+      console.log('Beat has finished playing, now playing next beat...');
+      nextAudio(bot);
+    });
+
+    return connection.subscribe(player);
+  }).catch(e => { console.error(e); });
+}