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  1. const { Client, Util } = require('discord.js');
  2. const { TOKEN, GOOGLE_API_KEY } = require('./config');
  3. const YouTube = require('simple-youtube-api');
  4. const ytdl = require('ytdl-core');
  5.  
  6. const client = new Client({ disableEveryone: true });
  7.  
  8. const youtube = new YouTube(GOOGLE_API_KEY);
  9.  
  10. const queue = new Map();
  11.  
  12. client.on('warn', console.warn);
  13.  
  14. client.on('error', console.error);
  15.  
  16. client.on('ready', () => console.log('Yo this ready!'));
  17.  
  18. client.on('disconnect', () => console.log('I just disconnected, making sure you know, I will reconnect now...'));
  19.  
  20. client.on('reconnecting', () => console.log('I am reconnecting now!'));
  21.  
  22. client.on('message', async msg => {
  23.     con.query(`SELECT * FROM prefix WHERE id = '${message.guild.id}' `, (err, rows) => {
  24.         if(err) throw err;
  25.         let PEWFIX = rows[0].prefix;
  26.     if (msg.author.bot) return undefined;
  27.     if (!msg.content.startsWith(PREFIX)) return undefined;
  28.  
  29.     const args = msg.content.split(' ');
  30.     const searchString = args.slice(1).join(' ');
  31.     const url = args[1] ? args[1].replace(/<(.+)>/g, '$1') : '';
  32.     const serverQueue = queue.get(msg.guild.id);
  33.  
  34.     let command = msg.content.toLowerCase().split(' ')[0];
  35.     command = command.slice(PREFIX.length)
  36.  
  37.     if (command === 'play') {
  38.         const voiceChannel = msg.member.voiceChannel;
  39.         if (!voiceChannel) return msg.channel.send('I\'m sorry but you need to be in a voice channel to play music!');
  40.         const permissions = voiceChannel.permissionsFor(msg.client.user);
  41.         if (!permissions.has('CONNECT')) {
  42.             return msg.channel.send('I cannot connect to your voice channel, make sure I have the proper permissions!');
  43.         }
  44.         if (!permissions.has('SPEAK')) {
  45.             return msg.channel.send('I cannot speak in this voice channel, make sure I have the proper permissions!');
  46.         }
  47.  
  48.         if (url.match(/^https?:\/\/(www.youtube.com|youtube.com)\/playlist(.*)$/)) {
  49.             const playlist = await youtube.getPlaylist(url);
  50.             const videos = await playlist.getVideos();
  51.             for (const video of Object.values(videos)) {
  52.                 const video2 = await youtube.getVideoByID(video.id); // eslint-disable-line no-await-in-loop
  53.                 await handleVideo(video2, msg, voiceChannel, true); // eslint-disable-line no-await-in-loop
  54.             }
  55.             return msg.channel.send(`✅ Playlist: **${playlist.title}** has been added to the queue!`);
  56.         } else {
  57.             try {
  58.                 var video = await youtube.getVideo(url);
  59.             } catch (error) {
  60.                 try {
  61.                     var videos = await youtube.searchVideos(searchString, 10);
  62.                     let index = 0;
  63.                     msg.channel.send(`
  64. __**Song selection:**__
  65. ${videos.map(video2 => `**${++index} -** ${video2.title}`).join('\n')}
  66. Please provide a value to select one of the search results ranging from 1-10.
  67.                     `);
  68.                     // eslint-disable-next-line max-depth
  69.                     try {
  70.                         var response = await msg.channel.awaitMessages(msg2 => msg2.content > 0 && msg2.content < 11, {
  71.                             maxMatches: 1,
  72.                             time: 10000,
  73.                             errors: ['time']
  74.                         });
  75.                     } catch (err) {
  76.                         console.error(err);
  77.                         return msg.channel.send('No or invalid value entered, cancelling video selection.');
  78.                     }
  79.                     const videoIndex = parseInt(response.first().content);
  80.                     var video = await youtube.getVideoByID(videos[videoIndex - 1].id);
  81.                 } catch (err) {
  82.                     console.error(err);
  83.                     return msg.channel.send('🆘 I could not obtain any search results.');
  84.                 }
  85.             }
  86.             return handleVideo(video, msg, voiceChannel);
  87.         }
  88.     } else if (command === 'skip') {
  89.         if (!msg.member.voiceChannel) return msg.channel.send('You are not in a voice channel!');
  90.         if (!serverQueue) return msg.channel.send('There is nothing playing that I could skip for you.');
  91.         serverQueue.connection.dispatcher.end('Skip command has been used!');
  92.         return undefined;
  93.     } else if (command === 'stop') {
  94.         if (!msg.member.voiceChannel) return msg.channel.send('You are not in a voice channel!');
  95.         if (!serverQueue) return msg.channel.send('There is nothing playing that I could stop for you.');
  96.         serverQueue.songs = [];
  97.         serverQueue.connection.dispatcher.end('Stop command has been used!');
  98.         return undefined;
  99.     } else if (command === 'volume') {
  100.         if (!msg.member.voiceChannel) return msg.channel.send('You are not in a voice channel!');
  101.         if (!serverQueue) return msg.channel.send('There is nothing playing.');
  102.         if (!args[1]) return msg.channel.send(`The current volume is: **${serverQueue.volume}**`);
  103.         serverQueue.volume = args[1];
  104.         serverQueue.connection.dispatcher.setVolumeLogarithmic(args[1] / 100);
  105.         return msg.channel.send(`I set the volume to: **${args[1]}**`);
  106.     } else if (command === 'np') {
  107.         if (!serverQueue) return msg.channel.send('There is nothing playing.');
  108.         return msg.channel.send(`🎶 Now playing: **${serverQueue.songs[0].title}**`);
  109.     } else if (command === 'queue') {
  110.         if (!serverQueue) return msg.channel.send('There is nothing playing.');
  111.         return msg.channel.send(`
  112. __**Song queue:**__
  113. ${serverQueue.songs.map(song => `**-** ${song.title}`).join('\n')}
  114. **Now playing:** ${serverQueue.songs[0].title}
  115.         `);
  116.     } else if (command === 'pause') {
  117.         if (serverQueue && serverQueue.playing) {
  118.             serverQueue.playing = false;
  119.             serverQueue.connection.dispatcher.pause();
  120.             return msg.channel.send('⏸ Paused the music for you!');
  121.         }
  122.         return msg.channel.send('There is nothing playing.');
  123.     } else if (command === 'resume') {
  124.         if (serverQueue && !serverQueue.playing) {
  125.             serverQueue.playing = true;
  126.             serverQueue.connection.dispatcher.resume();
  127.             return msg.channel.send('▶ Resumed the music for you!');
  128.         }
  129.         return msg.channel.send('There is nothing playing.');
  130.     }
  131.  
  132.     return undefined;
  133. });
  134.  
  135. async function handleVideo(video, msg, voiceChannel, playlist = false) {
  136.     const serverQueue = queue.get(msg.guild.id);
  137.     console.log(video);
  138.     const song = {
  139.         id: video.id,
  140.         title: Util.escapeMarkdown(video.title),
  141.         url: `https://www.youtube.com/watch?v=${video.id}`
  142.     };
  143.     if (!serverQueue) {
  144.         const queueConstruct = {
  145.             textChannel: msg.channel,
  146.             voiceChannel: voiceChannel,
  147.             connection: null,
  148.             songs: [],
  149.             volume: 100,
  150.             playing: true
  151.         };
  152.         queue.set(msg.guild.id, queueConstruct);
  153.  
  154.         queueConstruct.songs.push(song);
  155.  
  156.         try {
  157.             var connection = await voiceChannel.join();
  158.             queueConstruct.connection = connection;
  159.             play(msg.guild, queueConstruct.songs[0]);
  160.         } catch (error) {
  161.             console.error(`I could not join the voice channel: ${error}`);
  162.             queue.delete(msg.guild.id);
  163.             return msg.channel.send(`I could not join the voice channel: ${error}`);
  164.         }
  165.     } else {
  166.         serverQueue.songs.push(song);
  167.         console.log(serverQueue.songs);
  168.         if (playlist) return undefined;
  169.         else return msg.channel.send(`✅ **${song.title}** has been added to the queue!`);
  170.     }
  171.     return undefined;
  172. }
  173.  
  174. function play(guild, song) {
  175.     const serverQueue = queue.get(guild.id);
  176.  
  177.     if (!song) {
  178.         serverQueue.voiceChannel.leave();
  179.         queue.delete(guild.id);
  180.         return;
  181.     }
  182.     console.log(serverQueue.songs);
  183.  
  184.     const dispatcher = serverQueue.connection.playStream(ytdl(song.url))
  185.         .on('end', reason => {
  186.             if (reason === 'Stream is not generating quickly enough.') console.log('Song ended.');
  187.             else console.log(reason);
  188.             serverQueue.songs.shift();
  189.             play(guild, serverQueue.songs[0]);
  190.         })
  191.         .on('error', error => console.error(error));
  192.     dispatcher.setVolumeLogarithmic(serverQueue.volume / 100);
  193.  
  194.     serverQueue.textChannel.send(`🎶 Start playing: **${song.title}**`);
  195. }
  196. })
  197.  
  198. client.login(TOKEN);
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