mirror of
https://github.com/qier222/YesPlayMusic.git
synced 2024-12-04 06:23:43 +08:00
290 lines
8.0 KiB
TypeScript
290 lines
8.0 KiB
TypeScript
import { db, Tables } from './db'
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import type { FetchTracksResponse } from '@/shared/api/Track'
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import { app } from 'electron'
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import { Request, Response } from 'express'
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import log from './log'
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import fs from 'fs'
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import * as musicMetadata from 'music-metadata'
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import { APIs, APIsParams, APIsResponse } from '@/shared/CacheAPIs'
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import { TablesStructures } from './db'
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class Cache {
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constructor() {
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//
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}
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async set(api: string, data: any, query: any = {}) {
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switch (api) {
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case APIs.UserPlaylist:
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case APIs.UserAccount:
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case APIs.Personalized:
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case APIs.RecommendResource:
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case APIs.UserAlbums:
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case APIs.UserArtists:
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case APIs.Likelist: {
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if (!data) return
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db.upsert(Tables.AccountData, {
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id: api,
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json: JSON.stringify(data),
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updatedAt: Date.now(),
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})
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break
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}
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case APIs.Track: {
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if (!data.songs) return
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const tracks = (data as FetchTracksResponse).songs.map(t => ({
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id: t.id,
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json: JSON.stringify(t),
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updatedAt: Date.now(),
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}))
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db.upsertMany(Tables.Track, tracks)
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break
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}
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case APIs.Album: {
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if (!data.album) return
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data.album.songs = data.songs
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db.upsert(Tables.Album, {
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id: data.album.id,
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json: JSON.stringify(data.album),
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updatedAt: Date.now(),
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})
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break
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}
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case APIs.Playlist: {
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if (!data.playlist) return
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db.upsert(Tables.Playlist, {
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id: data.playlist.id,
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json: JSON.stringify(data),
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updatedAt: Date.now(),
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})
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break
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}
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case APIs.Artist: {
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if (!data.artist) return
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db.upsert(Tables.Artist, {
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id: data.artist.id,
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json: JSON.stringify(data),
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updatedAt: Date.now(),
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})
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break
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}
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case APIs.ArtistAlbum: {
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if (!data.hotAlbums) return
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db.createMany(
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Tables.Album,
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data.hotAlbums.map((a: Album) => ({
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id: a.id,
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json: JSON.stringify(a),
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updatedAt: Date.now(),
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}))
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)
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const modifiedData = {
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...data,
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hotAlbums: data.hotAlbums.map((a: Album) => a.id),
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}
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db.upsert(Tables.ArtistAlbum, {
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id: data.artist.id,
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json: JSON.stringify(modifiedData),
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updatedAt: Date.now(),
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})
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break
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}
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case APIs.Lyric: {
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if (!data.lrc) return
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db.upsert(Tables.Lyric, {
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id: query.id,
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json: JSON.stringify(data),
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updatedAt: Date.now(),
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})
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break
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}
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case APIs.CoverColor: {
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if (!data.id || !data.color) return
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if (/^#([a-fA-F0-9]){3}$|[a-fA-F0-9]{6}$/.test(data.color) === false) {
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return
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}
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db.upsert(Tables.CoverColor, {
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id: data.id,
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color: data.color,
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})
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}
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}
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}
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get<T extends keyof APIsParams>(api: T, params: any): any {
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switch (api) {
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case APIs.UserPlaylist:
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case APIs.UserAccount:
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case APIs.Personalized:
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case APIs.RecommendResource:
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case APIs.UserArtists:
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case APIs.Likelist: {
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const data = db.find(Tables.AccountData, api)
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if (data?.json) return JSON.parse(data.json)
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break
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}
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case APIs.Track: {
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const ids: number[] = params?.ids
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.split(',')
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.map((id: string) => Number(id))
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if (ids.length === 0) return
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if (ids.includes(NaN)) return
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const tracksRaw = db.findMany(Tables.Track, ids)
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if (tracksRaw.length !== ids.length) {
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return
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}
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const tracks = ids.map(id => {
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const track = tracksRaw.find(t => t.id === Number(id)) as any
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return JSON.parse(track.json)
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})
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return {
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code: 200,
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songs: tracks,
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privileges: {},
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}
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}
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case APIs.Album: {
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if (isNaN(Number(params?.id))) return
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const data = db.find(Tables.Album, params.id)
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if (data?.json)
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return {
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resourceState: true,
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songs: [],
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code: 200,
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album: JSON.parse(data.json),
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}
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break
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}
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case APIs.Playlist: {
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if (isNaN(Number(params?.id))) return
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const data = db.find(Tables.Playlist, params.id)
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if (data?.json) return JSON.parse(data.json)
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break
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}
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case APIs.Artist: {
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if (isNaN(Number(params?.id))) return
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const data = db.find(Tables.Artist, params.id)
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if (data?.json) return JSON.parse(data.json)
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break
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}
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case APIs.ArtistAlbum: {
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if (isNaN(Number(params?.id))) return
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const artistAlbumsRaw = db.find(Tables.ArtistAlbum, params.id)
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if (!artistAlbumsRaw?.json) return
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const artistAlbums = JSON.parse(artistAlbumsRaw.json)
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const albumsRaw = db.findMany(Tables.Album, artistAlbums.hotAlbums)
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if (albumsRaw.length !== artistAlbums.hotAlbums.length) return
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const albums = albumsRaw.map(a => JSON.parse(a.json))
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artistAlbums.hotAlbums = artistAlbums.hotAlbums.map((id: number) =>
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albums.find(a => a.id === id)
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)
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return artistAlbums
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}
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case APIs.Lyric: {
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if (isNaN(Number(params?.id))) return
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const data = db.find(Tables.Lyric, params.id)
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if (data?.json) return JSON.parse(data.json)
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break
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}
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case APIs.CoverColor: {
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if (isNaN(Number(params?.id))) return
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return db.find(Tables.CoverColor, params.id)?.color
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}
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}
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}
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getForExpress(api: string, req: Request) {
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// Get track detail cache
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if (api === APIs.Track) {
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const cache = this.get(api, req.query)
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if (cache) {
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log.debug(`[cache] Cache hit for ${req.path}`)
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return cache
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}
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}
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}
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getAudio(fileName: string, res: Response) {
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if (!fileName) {
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return res.status(400).send({ error: 'No filename provided' })
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}
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const id = Number(fileName.split('-')[0])
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try {
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const path = `${app.getPath('userData')}/audio_cache/${fileName}`
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const audio = fs.readFileSync(path)
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if (audio.byteLength === 0) {
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db.delete(Tables.Audio, id)
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fs.unlinkSync(path)
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return res.status(404).send({ error: 'Audio not found' })
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}
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res
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.status(206)
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.setHeader('Accept-Ranges', 'bytes')
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.setHeader('Connection', 'keep-alive')
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.setHeader(
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'Content-Range',
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`bytes 0-${audio.byteLength - 1}/${audio.byteLength}`
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)
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.send(audio)
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} catch (error) {
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res.status(500).send({ error })
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}
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}
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async setAudio(buffer: Buffer, { id, url }: { id: number; url: string }) {
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const path = `${app.getPath('userData')}/audio_cache`
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try {
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fs.statSync(path)
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} catch (e) {
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fs.mkdirSync(path)
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}
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const meta = await musicMetadata.parseBuffer(buffer)
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const br =
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meta?.format?.codec === 'OPUS' ? 165000 : meta.format.bitrate ?? 0
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const type =
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{
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'MPEG 1 Layer 3': 'mp3',
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'Ogg Vorbis': 'ogg',
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AAC: 'm4a',
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FLAC: 'flac',
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OPUS: 'opus',
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}[meta.format.codec ?? ''] ?? 'unknown'
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let source: TablesStructures[Tables.Audio]['source'] = 'unknown'
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if (url.includes('googlevideo.com')) source = 'youtube'
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if (url.includes('126.net')) source = 'netease'
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if (url.includes('migu.cn')) source = 'migu'
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if (url.includes('kuwo.cn')) source = 'kuwo'
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if (url.includes('bilivideo.com')) source = 'bilibili'
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// TODO: missing kugou qq joox
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fs.writeFile(`${path}/${id}-${br}.${type}`, buffer, error => {
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if (error) {
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return log.error(`[cache] cacheAudio failed: ${error}`)
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}
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log.info(`Audio file ${id}-${br}.${type} cached!`)
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db.upsert(Tables.Audio, {
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id,
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br,
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type: type as TablesStructures[Tables.Audio]['type'],
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source,
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updatedAt: Date.now(),
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})
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log.info(`[cache] cacheAudio ${id}-${br}.${type}`)
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})
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}
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}
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export default new Cache()
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