mirror of
https://github.com/BluemediaDev/muse.git
synced 2025-05-11 20:31:35 +02:00
Merge branch 'master' into playlist-limit-config
This commit is contained in:
commit
d8086be5cf
31 changed files with 1214 additions and 753 deletions
|
@ -1,6 +1,8 @@
|
|||
import dotenv from 'dotenv';
|
||||
import {injectable} from 'inversify';
|
||||
import path from 'path';
|
||||
import xbytes from 'xbytes';
|
||||
import {ConditionalKeys} from 'type-fest';
|
||||
dotenv.config();
|
||||
|
||||
export const DATA_DIR = path.resolve(process.env.DATA_DIR ? process.env.DATA_DIR : './data');
|
||||
|
@ -12,6 +14,7 @@ const CONFIG_MAP = {
|
|||
SPOTIFY_CLIENT_SECRET: process.env.SPOTIFY_CLIENT_SECRET,
|
||||
DATA_DIR,
|
||||
CACHE_DIR: path.join(DATA_DIR, 'cache'),
|
||||
CACHE_LIMIT_IN_BYTES: xbytes.parseSize(process.env.CACHE_LIMIT ?? '2GB'),
|
||||
} as const;
|
||||
|
||||
@injectable()
|
||||
|
@ -22,6 +25,7 @@ export default class Config {
|
|||
readonly SPOTIFY_CLIENT_SECRET!: string;
|
||||
readonly DATA_DIR!: string;
|
||||
readonly CACHE_DIR!: string;
|
||||
readonly CACHE_LIMIT_IN_BYTES!: number;
|
||||
|
||||
constructor() {
|
||||
for (const [key, value] of Object.entries(CONFIG_MAP)) {
|
||||
|
@ -30,7 +34,13 @@ export default class Config {
|
|||
process.exit(1);
|
||||
}
|
||||
|
||||
this[key as keyof typeof CONFIG_MAP] = value;
|
||||
if (typeof value === 'number') {
|
||||
this[key as ConditionalKeys<typeof CONFIG_MAP, number>] = value;
|
||||
} else if (typeof value === 'string') {
|
||||
this[key as ConditionalKeys<typeof CONFIG_MAP, string>] = value;
|
||||
} else {
|
||||
throw new Error(`Unsupported type for ${key}`);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
117
src/services/file-cache.ts
Normal file
117
src/services/file-cache.ts
Normal file
|
@ -0,0 +1,117 @@
|
|||
import {promises as fs, createWriteStream} from 'fs';
|
||||
import path from 'path';
|
||||
import {inject, injectable} from 'inversify';
|
||||
import sequelize from 'sequelize';
|
||||
import {FileCache} from '../models/index.js';
|
||||
import {TYPES} from '../types.js';
|
||||
import Config from './config.js';
|
||||
|
||||
@injectable()
|
||||
export default class FileCacheProvider {
|
||||
private readonly config: Config;
|
||||
|
||||
constructor(@inject(TYPES.Config) config: Config) {
|
||||
this.config = config;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns path to cached file if it exists, otherwise throws an error.
|
||||
* Updates the `accessedAt` property of the cached file.
|
||||
* @param hash lookup key
|
||||
*/
|
||||
async getPathFor(hash: string): Promise<string> {
|
||||
const model = await FileCache.findByPk(hash);
|
||||
|
||||
if (!model) {
|
||||
throw new Error('File is not cached');
|
||||
}
|
||||
|
||||
const resolvedPath = path.join(this.config.CACHE_DIR, hash);
|
||||
|
||||
try {
|
||||
await fs.access(resolvedPath);
|
||||
} catch (_: unknown) {
|
||||
await FileCache.destroy({where: {hash}});
|
||||
|
||||
throw new Error('File is not cached');
|
||||
}
|
||||
|
||||
await model.update({accessedAt: new Date()});
|
||||
|
||||
return resolvedPath;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns a write stream for the given hash key.
|
||||
* The stream handles saving a new file and will
|
||||
* update the database after the stream is closed.
|
||||
* @param hash lookup key
|
||||
*/
|
||||
createWriteStream(hash: string) {
|
||||
const tmpPath = path.join(this.config.CACHE_DIR, 'tmp', hash);
|
||||
const finalPath = path.join(this.config.CACHE_DIR, hash);
|
||||
|
||||
const stream = createWriteStream(tmpPath);
|
||||
|
||||
stream.on('close', async () => {
|
||||
// Only move if size is non-zero (may have errored out)
|
||||
const stats = await fs.stat(tmpPath);
|
||||
|
||||
if (stats.size !== 0) {
|
||||
await fs.rename(tmpPath, finalPath);
|
||||
}
|
||||
|
||||
await FileCache.create({hash, bytes: stats.size, accessedAt: new Date()});
|
||||
|
||||
await this.evictOldestIfNecessary();
|
||||
});
|
||||
|
||||
return stream;
|
||||
}
|
||||
|
||||
/**
|
||||
* Deletes orphaned cache files and evicts files if
|
||||
* necessary. Should be run on program startup so files
|
||||
* will be evicted if the cache limit has changed.
|
||||
*/
|
||||
async cleanup() {
|
||||
await this.removeOrphans();
|
||||
await this.evictOldestIfNecessary();
|
||||
}
|
||||
|
||||
private async evictOldestIfNecessary() {
|
||||
const [{dataValues: {totalSizeBytes}}] = await FileCache.findAll({
|
||||
attributes: [
|
||||
[sequelize.fn('sum', sequelize.col('bytes')), 'totalSizeBytes'],
|
||||
],
|
||||
}) as unknown as [{dataValues: {totalSizeBytes: number}}];
|
||||
|
||||
if (totalSizeBytes > this.config.CACHE_LIMIT_IN_BYTES) {
|
||||
const oldest = await FileCache.findOne({
|
||||
order: [
|
||||
['accessedAt', 'ASC'],
|
||||
],
|
||||
});
|
||||
|
||||
if (oldest) {
|
||||
await oldest.destroy();
|
||||
await fs.unlink(path.join(this.config.CACHE_DIR, oldest.hash));
|
||||
}
|
||||
|
||||
// Continue to evict until we're under the limit
|
||||
await this.evictOldestIfNecessary();
|
||||
}
|
||||
}
|
||||
|
||||
private async removeOrphans() {
|
||||
for await (const dirent of await fs.opendir(this.config.CACHE_DIR)) {
|
||||
if (dirent.isFile()) {
|
||||
const model = await FileCache.findByPk(dirent.name);
|
||||
|
||||
if (!model) {
|
||||
await fs.unlink(path.join(this.config.CACHE_DIR, dirent.name));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
|
@ -14,7 +14,7 @@ import {TYPES} from '../types.js';
|
|||
import {cleanUrl} from '../utils/url.js';
|
||||
import ThirdParty from './third-party.js';
|
||||
import Config from './config.js';
|
||||
import CacheProvider from './cache.js';
|
||||
import KeyValueCacheProvider from './key-value-cache.js';
|
||||
|
||||
type QueuedSongWithoutChannel = Except<QueuedSong, 'addedInChannelId'>;
|
||||
|
||||
|
@ -26,14 +26,14 @@ export default class {
|
|||
private readonly youtube: YouTube;
|
||||
private readonly youtubeKey: string;
|
||||
private readonly spotify: Spotify;
|
||||
private readonly cache: CacheProvider;
|
||||
private readonly cache: KeyValueCacheProvider;
|
||||
|
||||
private readonly ytsrQueue: PQueue;
|
||||
|
||||
constructor(
|
||||
@inject(TYPES.ThirdParty) thirdParty: ThirdParty,
|
||||
@inject(TYPES.Config) config: Config,
|
||||
@inject(TYPES.Cache) cache: CacheProvider) {
|
||||
@inject(TYPES.KeyValueCache) cache: KeyValueCacheProvider) {
|
||||
this.youtube = thirdParty.youtube;
|
||||
this.youtubeKey = config.YOUTUBE_API_KEY;
|
||||
this.spotify = thirdParty.spotify;
|
||||
|
|
|
@ -1,5 +1,5 @@
|
|||
import {injectable} from 'inversify';
|
||||
import {Cache} from '../models/index.js';
|
||||
import {KeyValueCache} from '../models/index.js';
|
||||
import debug from '../utils/debug.js';
|
||||
|
||||
type Seconds = number;
|
||||
|
@ -12,7 +12,7 @@ type Options = {
|
|||
const futureTimeToDate = (time: Seconds) => new Date(new Date().getTime() + (time * 1000));
|
||||
|
||||
@injectable()
|
||||
export default class CacheProvider {
|
||||
export default class KeyValueCacheProvider {
|
||||
async wrap<T extends [...any[], Options], F>(func: (...options: any) => Promise<F>, ...options: T): Promise<F> {
|
||||
if (options.length === 0) {
|
||||
throw new Error('Missing cache options');
|
||||
|
@ -29,7 +29,7 @@ export default class CacheProvider {
|
|||
throw new Error(`Cache key ${key} is too short.`);
|
||||
}
|
||||
|
||||
const cachedResult = await Cache.findByPk(key);
|
||||
const cachedResult = await KeyValueCache.findByPk(key);
|
||||
|
||||
if (cachedResult) {
|
||||
if (new Date() < cachedResult.expiresAt) {
|
||||
|
@ -45,7 +45,7 @@ export default class CacheProvider {
|
|||
const result = await func(...options as any[]);
|
||||
|
||||
// Save result
|
||||
await Cache.upsert({
|
||||
await KeyValueCache.upsert({
|
||||
key,
|
||||
value: JSON.stringify(result),
|
||||
expiresAt: futureTimeToDate(expiresIn),
|
|
@ -1,13 +1,13 @@
|
|||
import {VoiceConnection, VoiceChannel, StreamDispatcher, Snowflake, Client, TextChannel} from 'discord.js';
|
||||
import {promises as fs, createWriteStream} from 'fs';
|
||||
import {Readable, PassThrough} from 'stream';
|
||||
import path from 'path';
|
||||
import {VoiceChannel, Snowflake, Client, TextChannel} from 'discord.js';
|
||||
import {Readable} from 'stream';
|
||||
import hasha from 'hasha';
|
||||
import ytdl from 'ytdl-core';
|
||||
import {WriteStream} from 'fs-capacitor';
|
||||
import ffmpeg from 'fluent-ffmpeg';
|
||||
import shuffle from 'array-shuffle';
|
||||
import errorMsg from '../utils/error-msg.js';
|
||||
import {AudioPlayer, AudioPlayerStatus, createAudioPlayer, createAudioResource, joinVoiceChannel, StreamType, VoiceConnection, VoiceConnectionStatus} from '@discordjs/voice';
|
||||
import FileCacheProvider from './file-cache.js';
|
||||
|
||||
export interface QueuedPlaylist {
|
||||
title: string;
|
||||
|
@ -34,8 +34,7 @@ export default class {
|
|||
public voiceConnection: VoiceConnection | null = null;
|
||||
private queue: QueuedSong[] = [];
|
||||
private queuePosition = 0;
|
||||
private readonly cacheDir: string;
|
||||
private dispatcher: StreamDispatcher | null = null;
|
||||
private audioPlayer: AudioPlayer | null = null;
|
||||
private nowPlaying: QueuedSong | null = null;
|
||||
private playPositionInterval: NodeJS.Timeout | undefined;
|
||||
private lastSongURL = '';
|
||||
|
@ -43,30 +42,34 @@ export default class {
|
|||
private positionInSeconds = 0;
|
||||
|
||||
private readonly discordClient: Client;
|
||||
private readonly fileCache: FileCacheProvider;
|
||||
|
||||
constructor(cacheDir: string, client: Client) {
|
||||
this.cacheDir = cacheDir;
|
||||
constructor(client: Client, fileCache: FileCacheProvider) {
|
||||
this.discordClient = client;
|
||||
this.fileCache = fileCache;
|
||||
}
|
||||
|
||||
async connect(channel: VoiceChannel): Promise<void> {
|
||||
const conn = await channel.join();
|
||||
const conn = joinVoiceChannel({
|
||||
channelId: channel.id,
|
||||
guildId: channel.guild.id,
|
||||
adapterCreator: channel.guild.voiceAdapterCreator,
|
||||
});
|
||||
|
||||
this.voiceConnection = conn;
|
||||
}
|
||||
|
||||
disconnect(breakConnection = true): void {
|
||||
disconnect(): void {
|
||||
if (this.voiceConnection) {
|
||||
if (this.status === STATUS.PLAYING) {
|
||||
this.pause();
|
||||
}
|
||||
|
||||
if (breakConnection) {
|
||||
this.voiceConnection.disconnect();
|
||||
}
|
||||
this.voiceConnection.destroy();
|
||||
this.audioPlayer?.stop();
|
||||
|
||||
this.voiceConnection = null;
|
||||
this.dispatcher = null;
|
||||
this.audioPlayer = null;
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -88,8 +91,11 @@ export default class {
|
|||
}
|
||||
|
||||
const stream = await this.getStream(currentSong.url, {seek: positionSeconds});
|
||||
this.dispatcher = this.voiceConnection.play(stream, {type: 'webm/opus', bitrate: 'auto'});
|
||||
|
||||
this.audioPlayer = createAudioPlayer();
|
||||
this.voiceConnection.subscribe(this.audioPlayer);
|
||||
this.audioPlayer.play(createAudioResource(stream, {
|
||||
inputType: StreamType.WebmOpus,
|
||||
}));
|
||||
this.attachListeners();
|
||||
this.startTrackingPosition(positionSeconds);
|
||||
|
||||
|
@ -117,8 +123,8 @@ export default class {
|
|||
|
||||
// Resume from paused state
|
||||
if (this.status === STATUS.PAUSED && currentSong.url === this.nowPlaying?.url) {
|
||||
if (this.dispatcher) {
|
||||
this.dispatcher.resume();
|
||||
if (this.audioPlayer) {
|
||||
this.audioPlayer.unpause();
|
||||
this.status = STATUS.PLAYING;
|
||||
this.startTrackingPosition();
|
||||
return;
|
||||
|
@ -132,7 +138,11 @@ export default class {
|
|||
|
||||
try {
|
||||
const stream = await this.getStream(currentSong.url);
|
||||
this.dispatcher = this.voiceConnection.play(stream, {type: 'webm/opus'});
|
||||
this.audioPlayer = createAudioPlayer();
|
||||
this.voiceConnection.subscribe(this.audioPlayer);
|
||||
this.audioPlayer.play(createAudioResource(stream, {
|
||||
inputType: StreamType.WebmOpus,
|
||||
}));
|
||||
|
||||
this.attachListeners();
|
||||
|
||||
|
@ -170,8 +180,8 @@ export default class {
|
|||
|
||||
this.status = STATUS.PAUSED;
|
||||
|
||||
if (this.dispatcher) {
|
||||
this.dispatcher.pause();
|
||||
if (this.audioPlayer) {
|
||||
this.audioPlayer.pause();
|
||||
}
|
||||
|
||||
this.stopTrackingPosition();
|
||||
|
@ -230,25 +240,12 @@ export default class {
|
|||
}
|
||||
|
||||
add(song: QueuedSong, {immediate = false} = {}): void {
|
||||
if (song.playlist) {
|
||||
if (song.playlist || !immediate) {
|
||||
// Add to end of queue
|
||||
this.queue.push(song);
|
||||
} else {
|
||||
// Not from playlist, add immediately
|
||||
let insertAt = this.queuePosition + 1;
|
||||
|
||||
if (!immediate) {
|
||||
// Loop until playlist song
|
||||
this.queue.some(song => {
|
||||
if (song.playlist) {
|
||||
return true;
|
||||
}
|
||||
|
||||
insertAt++;
|
||||
return false;
|
||||
});
|
||||
}
|
||||
|
||||
// Add as the next song to be played
|
||||
const insertAt = this.queuePosition + 1;
|
||||
this.queue = [...this.queue.slice(0, insertAt), song, ...this.queue.slice(insertAt)];
|
||||
}
|
||||
}
|
||||
|
@ -273,6 +270,10 @@ export default class {
|
|||
this.queue = newQueue;
|
||||
}
|
||||
|
||||
removeFromQueue(index: number, amount = 1): void {
|
||||
this.queue.splice(this.queuePosition + index, amount);
|
||||
}
|
||||
|
||||
removeCurrent(): void {
|
||||
this.queue = [...this.queue.slice(0, this.queuePosition), ...this.queue.slice(this.queuePosition + 1)];
|
||||
}
|
||||
|
@ -285,40 +286,24 @@ export default class {
|
|||
return this.queueSize() === 0;
|
||||
}
|
||||
|
||||
private getCachedPath(url: string): string {
|
||||
return path.join(this.cacheDir, hasha(url));
|
||||
}
|
||||
|
||||
private getCachedPathTemp(url: string): string {
|
||||
return path.join(this.cacheDir, 'tmp', hasha(url));
|
||||
}
|
||||
|
||||
private async isCached(url: string): Promise<boolean> {
|
||||
try {
|
||||
await fs.access(this.getCachedPath(url));
|
||||
|
||||
return true;
|
||||
} catch (_: unknown) {
|
||||
return false;
|
||||
}
|
||||
private getHashForCache(url: string): string {
|
||||
return hasha(url);
|
||||
}
|
||||
|
||||
private async getStream(url: string, options: {seek?: number} = {}): Promise<Readable> {
|
||||
const cachedPath = this.getCachedPath(url);
|
||||
|
||||
let ffmpegInput = '';
|
||||
const ffmpegInputOptions: string[] = [];
|
||||
let shouldCacheVideo = false;
|
||||
|
||||
let format: ytdl.videoFormat | undefined;
|
||||
|
||||
if (await this.isCached(url)) {
|
||||
ffmpegInput = cachedPath;
|
||||
try {
|
||||
ffmpegInput = await this.fileCache.getPathFor(this.getHashForCache(url));
|
||||
|
||||
if (options.seek) {
|
||||
ffmpegInputOptions.push('-ss', options.seek.toString());
|
||||
}
|
||||
} else {
|
||||
} catch {
|
||||
// Not yet cached, must download
|
||||
const info = await ytdl.getInfo(url);
|
||||
|
||||
|
@ -379,6 +364,17 @@ export default class {
|
|||
|
||||
// Create stream and pipe to capacitor
|
||||
return new Promise((resolve, reject) => {
|
||||
const capacitor = new WriteStream();
|
||||
|
||||
// Cache video if necessary
|
||||
if (shouldCacheVideo) {
|
||||
const cacheStream = this.fileCache.createWriteStream(this.getHashForCache(url));
|
||||
|
||||
capacitor.createReadStream().pipe(cacheStream);
|
||||
} else {
|
||||
ffmpegInputOptions.push('-re');
|
||||
}
|
||||
|
||||
const youtubeStream = ffmpeg(ffmpegInput)
|
||||
.inputOptions(ffmpegInputOptions)
|
||||
.noVideo()
|
||||
|
@ -387,29 +383,9 @@ export default class {
|
|||
.on('error', error => {
|
||||
console.error(error);
|
||||
reject(error);
|
||||
})
|
||||
.pipe() as PassThrough;
|
||||
|
||||
const capacitor = new WriteStream();
|
||||
|
||||
youtubeStream.pipe(capacitor);
|
||||
|
||||
// Cache video if necessary
|
||||
if (shouldCacheVideo) {
|
||||
const cacheTempPath = this.getCachedPathTemp(url);
|
||||
const cacheStream = createWriteStream(cacheTempPath);
|
||||
|
||||
cacheStream.on('finish', async () => {
|
||||
// Only move if size is non-zero (may have errored out)
|
||||
const stats = await fs.stat(cacheTempPath);
|
||||
|
||||
if (stats.size !== 0) {
|
||||
await fs.rename(cacheTempPath, cachedPath);
|
||||
}
|
||||
});
|
||||
|
||||
capacitor.createReadStream().pipe(cacheStream);
|
||||
}
|
||||
youtubeStream.pipe(capacitor);
|
||||
|
||||
resolve(capacitor.createReadStream());
|
||||
});
|
||||
|
@ -440,22 +416,26 @@ export default class {
|
|||
return;
|
||||
}
|
||||
|
||||
this.voiceConnection.on('disconnect', this.onVoiceConnectionDisconnect.bind(this));
|
||||
if (this.voiceConnection.listeners(VoiceConnectionStatus.Disconnected).length === 0) {
|
||||
this.voiceConnection.on(VoiceConnectionStatus.Disconnected, this.onVoiceConnectionDisconnect.bind(this));
|
||||
}
|
||||
|
||||
if (!this.dispatcher) {
|
||||
if (!this.audioPlayer) {
|
||||
return;
|
||||
}
|
||||
|
||||
this.dispatcher.on('speaking', this.onVoiceConnectionSpeaking.bind(this));
|
||||
if (this.audioPlayer.listeners('stateChange').length === 0) {
|
||||
this.audioPlayer.on('stateChange', this.onAudioPlayerStateChange.bind(this));
|
||||
}
|
||||
}
|
||||
|
||||
private onVoiceConnectionDisconnect(): void {
|
||||
this.disconnect(false);
|
||||
this.disconnect();
|
||||
}
|
||||
|
||||
private async onVoiceConnectionSpeaking(isSpeaking: boolean): Promise<void> {
|
||||
private async onAudioPlayerStateChange(_oldState: {status: AudioPlayerStatus}, newState: {status: AudioPlayerStatus}): Promise<void> {
|
||||
// Automatically advance queued song at end
|
||||
if (!isSpeaking && this.status === STATUS.PLAYING) {
|
||||
if (newState.status === AudioPlayerStatus.Idle && this.status === STATUS.PLAYING) {
|
||||
await this.forward(1);
|
||||
}
|
||||
}
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue