const logger = require("./logger.js"); const fetch = require("node-fetch"); const fs = require("fs"); const format = require("format-duration"); const { Manager } = require("lavacord"); let nodes; exports.players = new Map(); exports.queues = new Map(); exports.skipVotes = new Map(); exports.manager; exports.status = false; exports.connected = false; exports.checkStatus = async () => { const json = await fs.promises.readFile("./servers.json", { encoding: "utf8" }); nodes = JSON.parse(json).lava; const newNodes = []; for (const node of nodes) { try { const response = await fetch(`http://${node.host}:${node.port}/version`, { headers: { Authorization: node.password } }).then(res => res.text()); if (response) newNodes.push(node); } catch { logger.error(`Failed to get status of Lavalink node ${node.host}.`); } } nodes = newNodes; this.status = newNodes.length === 0 ? true : false; return this.status; }; exports.connect = async (client) => { this.manager = new Manager(nodes, { user: client.user.id, shards: client.shards.size || 1, send: (packet) => { const guild = client.guilds.get(packet.d.guild_id); if (!guild) return; return guild.shard.sendWS(packet.op, packet.d); } }); const { length } = await this.manager.connect(); logger.log(`Successfully connected to ${length} Lavalink node(s).`); exports.connected = true; this.manager.on("error", (error, node) => { logger.error(`An error occurred on Lavalink node ${node}: ${error}`); }); return length; }; exports.play = async (client, sound, message, music = false) => { if (!this.manager) return "The sound commands are still starting up!"; if (!message.channel.guild) return "This command only works in servers!"; if (!message.member.voiceState.channelID) return "You need to be in a voice channel first!"; if (!message.channel.permissionsOf(client.user.id).has("voiceConnect")) return "I can't join this voice channel!"; const voiceChannel = message.channel.guild.channels.get(message.member.voiceState.channelID); if (!voiceChannel.permissionsOf(client.user.id).has("voiceConnect")) return "I don't have permission to join this voice channel!"; const player = this.players.get(message.channel.guild.id); if (!music && this.manager.voiceStates.has(message.channel.guild.id) && (player && player.type === "music")) return "I can't play a sound effect while playing music!"; const node = this.manager.idealNodes[0]; if (!music && !nodes.filter(obj => obj.host === node.host)[0].local) { sound = sound.replace(/\.\//, "https://raw.githubusercontent.com/esmBot/esmBot/master/"); } const { tracks } = await fetch(`http://${node.host}:${node.port}/loadtracks?identifier=${sound}`, { headers: { Authorization: node.password } }).then(res => res.json()); const oldQueue = this.queues.get(voiceChannel.guild.id); if (!tracks || tracks.length === 0) return "I couldn't find that song!"; if (music) { this.queues.set(voiceChannel.guild.id, oldQueue ? [...oldQueue, tracks[0].track] : [tracks[0].track]); } let connection; if (player) { connection = player.player; } else { connection = await this.manager.join({ guild: voiceChannel.guild.id, channel: voiceChannel.id, node: node.id }); } if (oldQueue && music) { return `Your tune \`${tracks[0].info.title}\` has been added to the queue!`; } else { this.nextSong(client, message, connection, tracks[0].track, tracks[0].info, music, voiceChannel, player ? player.loop : false); return; } }; exports.nextSong = async (client, message, connection, track, info, music, voiceChannel, loop = false, inQueue = false, lastTrack = null) => { const parts = Math.floor((0 / info.length) * 10); let playingMessage; if (!music && this.players.get(voiceChannel.guild.id)) { const playMessage = this.players.get(voiceChannel.guild.id).playMessage; if (playMessage.channel.messages.get(playMessage.id)) playMessage.delete(); } if (lastTrack === track) { playingMessage = this.players.get(voiceChannel.guild.id).playMessage; } else { playingMessage = await client.createMessage(message.channel.id, !music ? "🔊 Playing sound..." : { "embed": { "color": 16711680, "author": { "name": "Now Playing", "icon_url": client.user.avatarURL }, "fields": [{ "name": "ℹī¸ Title:", "value": info.title }, { "name": "🎤 Artist:", "value": info.author }, { "name": "đŸ’Ŧ Channel:", "value": voiceChannel.name }, { "name": `${"â–Ŧ".repeat(parts)}🔘${"â–Ŧ".repeat(10 - parts)}`, "value": `0:00/${info.isStream ? "∞" : format(info.length)}` }] } }); } await connection.play(track); this.players.set(voiceChannel.guild.id, { player: connection, type: music ? "music" : "sound", host: message.author.id, voiceChannel: voiceChannel, originalChannel: message.channel, loop: loop, playMessage: playingMessage }); if (inQueue && connection.listeners("error").length === 0) { connection.on("error", (error) => { if (playingMessage.channel.messages.get(playingMessage.id)) playingMessage.delete(); const playMessage = this.players.get(voiceChannel.guild.id).playMessage; if (playMessage.channel.messages.get(playMessage.id)) playMessage.delete(); this.manager.leave(voiceChannel.guild.id); connection.destroy(); this.players.delete(voiceChannel.guild.id); this.queues.delete(voiceChannel.guild.id); logger.error(error); }); } if (connection.listeners("end").length === 0) { connection.on("end", async (data) => { if (data.reason === "REPLACED") return; const queue = this.queues.get(voiceChannel.guild.id); const player = this.players.get(voiceChannel.guild.id); let newQueue; if (player.loop) { queue.push(queue.shift()); newQueue = queue; } else { newQueue = queue ? queue.slice(1) : []; } this.queues.set(voiceChannel.guild.id, newQueue); if (newQueue.length === 0) { this.manager.leave(voiceChannel.guild.id); connection.destroy(); this.players.delete(voiceChannel.guild.id); this.queues.delete(voiceChannel.guild.id); if (music) await client.createMessage(message.channel.id, "🔊 The current voice channel session has ended."); try { if (playingMessage.channel.messages.get(playingMessage.id)) await playingMessage.delete(); if (player.playMessage.channel.messages.get(player.playMessage.id)) await player.playMessage.delete(); } catch { // no-op } } else { const newTrack = await fetch(`http://${connection.node.host}:${connection.node.port}/decodetrack?track=${encodeURIComponent(newQueue[0])}`, { headers: { Authorization: connection.node.password } }).then(res => res.json()); this.nextSong(client, message, connection, newQueue[0], newTrack, music, voiceChannel, player.loop, true, track); try { if (newQueue[0] !== track && playingMessage.channel.messages.get(playingMessage.id)) await playingMessage.delete(); if (newQueue[0] !== track && player.playMessage.channel.messages.get(player.playMessage.id)) await player.playMessage.delete(); } catch { // no-op } } }); } };