plugins-evert/jukebox/plugin.ts

318 lines
8.8 KiB
TypeScript

import { fullIDMatcher } from '@squeebot/core/lib/common';
import { logger } from '@squeebot/core/lib/core';
import {
Plugin,
Configurable,
EventListener,
DependencyLoad
} from '@squeebot/core/lib/plugin';
import { IMessage, MessageResolver } from '@squeebot/core/lib/types';
import { Readable } from 'stream';
import ytdl from 'ytdl-core';
import ytsr, { Video } from 'ytsr';
import { Client, Message, VoiceChannel, VoiceConnection } from 'discord.js';
interface Configuration {
control: string[];
voice?: string;
leaveAfter?: number;
}
interface Cached {
playing: boolean;
config: Configuration;
readable: Readable;
url: string;
connection?: VoiceConnection;
queue: string[];
}
/*
Discord config example: {
"control": ["discord/testing/s:<guild id>/*"],
"voice": "<voice channel id>",
}
*/
@Configurable({
youtube: true,
discord: [],
icecast: [],
})
class JukeboxPlugin extends Plugin {
public cache: Cached[] = [];
@EventListener('pluginUnload')
public unloadEventHandler(plugin: string | Plugin): void {
if (plugin === this.name || plugin === this) {
this.emit('pluginUnloaded', this);
}
}
getConfigByMessage(msg: IMessage): Configuration | null {
const rm = msg.fullRoomID;
if (!rm) {
return null;
}
for (const cfg of this.config.get('discord', []) as Configuration[]) {
let roomMatch = false;
for (const room of cfg.control) {
if (fullIDMatcher(rm, room)) {
roomMatch = true;
}
}
if (!roomMatch) {
continue;
}
return cfg;
}
return null;
}
getCachedConfig(cfg: Configuration): Cached | null {
for (const ch of this.cache) {
if (ch.config === cfg) {
return ch;
}
}
return null;
}
async getStream(link: string): Promise<Readable> {
if (link.indexOf('http') !== 0) {
const search = await ytsr(link, { limit: 1 });
link = (search.items[0] as Video).link;
}
return ytdl(link, { quality: 'highestaudio', dlChunkSize: 0 });
}
async playToDiscord(discord: Client, cfg: Configuration, link: string, msg: IMessage): Promise<void> {
const cached = this.getCachedConfig(cfg);
if (cached && cached.readable) {
cached.readable.destroy();
}
let channel;
if (!cfg.voice) {
const member = (msg.data as Message).member;
if (member && member.voice) {
const avc = member.voice.channel;
if (avc && avc.joinable) {
channel = avc;
}
}
} else {
channel = await discord.channels.fetch(cfg.voice as string);
}
if (!channel || channel.type !== 'voice') {
throw new Error('Invalid voice channel.');
}
const vc = await (channel as VoiceChannel).join();
const str = await this.getStream(link);
vc.play(str).on('finish', () => {
str.destroy();
const cacheCurrent = this.getCachedConfig(cfg);
if (!cacheCurrent) {
vc.disconnect();
return;
}
cacheCurrent.playing = false;
if (!cacheCurrent.queue || !cacheCurrent.queue.length) {
vc.disconnect();
cacheCurrent.connection = undefined;
return;
}
const next = cacheCurrent.queue.shift() as string;
this.playToDiscord(discord, cfg, next, msg).catch((e) => {
logger.error('[%s] Autoplay threw an error:', this.name, e.stack);
msg.resolve('Playing of the next track in the queue failed.');
});
});
if (cached) {
cached.playing = true;
cached.readable = str;
cached.url = link;
cached.connection = vc;
} else {
this.cache.push({
playing: true,
readable: str,
url: link,
config: cfg,
connection: vc,
queue: [],
});
}
}
@DependencyLoad('simplecommands')
addCommands(cmd: any): void {
const roomsWithJukeboxes = [];
for (const cfg of this.config.get('discord', []) as Configuration[]) {
roomsWithJukeboxes.push(...cfg.control);
}
cmd.registerCommand([{
name: 'play',
plugin: this.name,
execute: async (msg: IMessage, msr: MessageResolver, spec: any, prefix: string, ...simplified: any[]): Promise<boolean> => {
if (!simplified[0]) {
msg.resolve('Please provide an URL or search term to play!');
return true;
}
const vcConfig = this.getConfigByMessage(msg);
if (!vcConfig) {
msg.resolve('This channel has no configuration for jukeboxes.');
return true;
}
if (msg.source.type !== 'DiscordProtocol') {
msg.resolve('Currently, only Discord is supported.');
return true;
}
try {
await this.playToDiscord((msg.source as any).client, vcConfig, simplified.join(' '), msg);
} catch (e) {
msg.resolve('Something went wrong!');
logger.error('[%s] Threw an error:', this.name, e.stack);
}
return true;
},
source: roomsWithJukeboxes,
usage: '<url>',
description: 'Play something',
},
{
name: 'stop',
plugin: this.name,
execute: async (msg: IMessage, msr: MessageResolver, spec: any, prefix: string, ...simplified: any[]): Promise<boolean> => {
const vcConfig = this.getConfigByMessage(msg);
if (!vcConfig) {
msg.resolve('This channel has no configuration for jukeboxes.');
return true;
}
if (msg.source.type !== 'DiscordProtocol') {
msg.resolve('Currently, only Discord is supported.');
return true;
}
const cached = this.getCachedConfig(vcConfig);
if (cached && cached.playing) {
cached.playing = false;
cached.readable.destroy();
if (cached.connection) {
try {
cached.connection.disconnect();
cached.connection = undefined;
} catch (e) {}
}
msg.resolve('Stopped currently playing.');
}
return true;
},
source: roomsWithJukeboxes,
description: 'Stop the currently playing track',
},
{
name: 'enqueue',
plugin: this.name,
execute: async (msg: IMessage, msr: MessageResolver, spec: any, prefix: string, ...simplified: any[]): Promise<boolean> => {
if (!simplified[0]) {
msg.resolve('Please provide an URL or search term to play!');
return true;
}
const vcConfig = this.getConfigByMessage(msg);
if (!vcConfig) {
msg.resolve('This channel has no configuration for jukeboxes.');
return true;
}
if (msg.source.type !== 'DiscordProtocol') {
msg.resolve('Currently, only Discord is supported.');
return true;
}
const track = simplified.join(' ');
const cached = this.getCachedConfig(vcConfig);
if (cached && cached.playing) {
cached.queue.push(track);
} else {
try {
await this.playToDiscord((msg.source as any).client, vcConfig, track, msg);
} catch (e) {
msg.resolve('Something went wrong!');
logger.error('[%s] Threw an error:', this.name, e.stack);
}
}
return true;
},
source: roomsWithJukeboxes,
usage: '<url>',
description: 'Queue a track',
aliases: ['queue'],
},
{
name: 'skip',
plugin: this.name,
execute: async (msg: IMessage, msr: MessageResolver, spec: any, prefix: string, ...simplified: any[]): Promise<boolean> => {
const vcConfig = this.getConfigByMessage(msg);
if (!vcConfig) {
msg.resolve('This channel has no configuration for jukeboxes.');
return true;
}
if (msg.source.type !== 'DiscordProtocol') {
msg.resolve('Currently, only Discord is supported.');
return true;
}
const cached = this.getCachedConfig(vcConfig);
if (cached) {
if (cached.playing) {
cached.readable.destroy();
cached.playing = false;
if (cached.connection) {
try {
cached.connection.disconnect();
cached.connection = undefined;
} catch (e) {}
}
}
if (cached.queue.length) {
const next = cached.queue.shift() as string;
try {
await this.playToDiscord((msg.source as any).client, vcConfig, next, msg);
} catch (e) {
msg.resolve('Something went wrong!');
logger.error('[%s] Threw an error:', this.name, e.stack);
}
return true;
}
}
msg.resolve('The queue is empty.');
return true;
},
aliases: ['next'],
source: roomsWithJukeboxes,
description: 'Skip the current track',
}]);
}
}
module.exports = JukeboxPlugin;