mrmBot-Matrix/utils/soundplayer.js

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import * as logger from "./logger.js";
import fetch from "node-fetch";
import fs from "fs";
import format from "format-duration";
import { Manager, Rest } from "lavacord";
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let nodes;
export const players = new Map();
export const queues = new Map();
export const skipVotes = new Map();
export let manager;
export let status = false;
export let connected = false;
export async function checkStatus() {
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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;
status = newNodes.length === 0 ? true : false;
return status;
}
export async function connect(client) {
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 manager.connect();
logger.log(`Successfully connected to ${length} Lavalink node(s).`);
connected = true;
manager.on("error", (error, node) => {
logger.error(`An error occurred on Lavalink node ${node}: ${error}`);
});
return length;
}
export async function play(client, sound, message, music = false) {
if (!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!";
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if (!message.channel.guild.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 = players.get(message.channel.guild.id);
if (!music && manager.voiceStates.has(message.channel.guild.id) && (player && player.type === "music")) return "I can't play a sound effect while playing music!";
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let node = manager.idealNodes[0];
if (!node) {
const status = await checkStatus();
if (!status) {
await connect(client);
node = manager.idealNodes[0];
}
}
if (!music && !nodes.filter(obj => obj.host === node.host)[0].local) {
sound = sound.replace(/\.\//, "https://raw.githubusercontent.com/esmBot/esmBot/master/");
}
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let tracks, playlistInfo;
try {
({ tracks, playlistInfo } = await Rest.load(node, sound));
} catch {
return "🔊 Hmmm, seems that all of the audio servers are down. Try again in a bit.";
}
const oldQueue = queues.get(voiceChannel.guild.id);
if (!tracks || tracks.length === 0) return "I couldn't find that song!";
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if (music) {
const sortedTracks = tracks.map((val) => { return val.track; });
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const playlistTracks = playlistInfo.selectedTrack ? sortedTracks : [sortedTracks[0]];
queues.set(voiceChannel.guild.id, oldQueue ? [...oldQueue, ...playlistTracks] : playlistTracks);
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}
const connection = await manager.join({
guild: voiceChannel.guild.id,
channel: voiceChannel.id,
node: node.id
}, { selfdeaf: true });
if (oldQueue && oldQueue.length !== 0 && music) {
return `Your ${playlistInfo.name ? "playlist" : "tune"} \`${playlistInfo.name ? playlistInfo.name.trim() : (tracks[0].info.title !== "" ? tracks[0].info.title.trim() : "(blank)")}\` has been added to the queue!`;
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} else {
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nextSong(client, message, connection, tracks[0].track, tracks[0].info, music, voiceChannel, player ? player.host : message.author.id, player ? player.loop : false, player ? player.shuffle : false);
return;
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}
}
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export async function nextSong(client, message, connection, track, info, music, voiceChannel, host, loop = false, shuffle = false, lastTrack = null) {
skipVotes.delete(voiceChannel.guild.id);
const parts = Math.floor((0 / info.length) * 10);
let playingMessage;
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if (!music && players.has(voiceChannel.guild.id)) {
const playMessage = players.get(voiceChannel.guild.id).playMessage;
try {
players.delete(voiceChannel.guild.id);
await playMessage.delete();
} catch {
// no-op
}
}
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if (music && lastTrack === track && players.has(voiceChannel.guild.id)) {
playingMessage = players.get(voiceChannel.guild.id).playMessage;
} else {
try {
playingMessage = await client.createMessage(message.channel.id, !music ? "🔊 Playing sound..." : {
embeds: [{
color: 16711680,
author: {
name: "Now Playing",
icon_url: client.user.avatarURL
},
fields: [{
name: " Title:",
value: info.title && info.title.trim() !== "" ? info.title : "(blank)"
},
{
name: "🎤 Artist:",
value: info.title && info.author.trim() !== "" ? info.author : "(blank)"
},
{
name: "💬 Channel:",
value: voiceChannel.name
},
{
name: `${"▬".repeat(parts)}🔘${"▬".repeat(10 - parts)}`,
value: `0:00/${info.isStream ? "∞" : format(info.length)}`
}]
}]
});
} catch {
// no-op
}
}
connection.removeAllListeners("error");
connection.removeAllListeners("end");
await connection.play(track);
await connection.volume(75);
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players.set(voiceChannel.guild.id, { player: connection, type: music ? "music" : "sound", host: host, voiceChannel: voiceChannel, originalChannel: message.channel, loop: loop, shuffle: shuffle, playMessage: playingMessage });
connection.once("error", async (error) => {
try {
if (playingMessage.channel.messages.get(playingMessage.id)) await playingMessage.delete();
const playMessage = players.get(voiceChannel.guild.id).playMessage;
if (playMessage.channel.messages.get(playMessage.id)) await playMessage.delete();
} catch {
// no-op
}
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try {
await manager.leave(voiceChannel.guild.id);
await connection.destroy();
} catch {
// no-op
}
connection.removeAllListeners("end");
players.delete(voiceChannel.guild.id);
queues.delete(voiceChannel.guild.id);
logger.error(error);
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await client.createMessage(message.channel.id, `🔊 Looks like there was an error regarding sound playback:\n\`\`\`${error.type}: ${error.error}\`\`\``);
});
connection.on("end", async (data) => {
if (data.reason === "REPLACED") return;
let queue = queues.get(voiceChannel.guild.id);
const player = players.get(voiceChannel.guild.id);
if (player && process.env.STAYVC === "true") {
player.type = "idle";
players.set(voiceChannel.guild.id, player);
}
let newQueue;
if (player && player.shuffle) {
if (player.loop) {
queue.push(queue.shift());
} else {
queue = queue.slice(1);
}
queue.unshift(queue.splice(Math.floor(Math.random() * queue.length), 1)[0]);
newQueue = queue;
} else if (player && player.loop) {
queue.push(queue.shift());
newQueue = queue;
} else {
newQueue = queue ? queue.slice(1) : [];
}
queues.set(voiceChannel.guild.id, newQueue);
if (newQueue.length !== 0) {
const newTrack = await Rest.decode(connection.node, newQueue[0]);
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nextSong(client, message, connection, newQueue[0], newTrack, music, voiceChannel, host, player.loop, player.shuffle, 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
}
} else if (process.env.STAYVC !== "true") {
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await manager.leave(voiceChannel.guild.id);
await connection.destroy();
players.delete(voiceChannel.guild.id);
queues.delete(voiceChannel.guild.id);
skipVotes.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 && player.playMessage.channel.messages.get(player.playMessage.id)) await player.playMessage.delete();
} catch {
// no-op
}
} else {
try {
if (playingMessage.channel.messages.get(playingMessage.id)) await playingMessage.delete();
if (player && player.playMessage.channel.messages.get(player.playMessage.id)) await player.playMessage.delete();
} catch {
// no-op
}
}
});
}