deemix-js/deemix/itemgen.js
2021-06-08 18:53:33 +02:00

394 lines
11 KiB
JavaScript

const {
Single,
Collection
} = require('./types/DownloadObjects.js')
const { LyricsStatus } = require('deezer-js').gw
const { map_user_playlist } = require('deezer-js').utils
const { each } = require('async')
async function generateTrackItem(dz, id, bitrate, trackAPI, albumAPI){
// Check if is an isrc: url
if (String(id).startsWith("isrc")){
try {
trackAPI = await dz.api.get_track(id)
} catch (e){
console.trace(e)
throw new GenerationError(`https://deezer.com/track/${id}`, e.message)
}
if (trackAPI.id && trackAPI.title){
id = trackAPI.id
} else {
throw new ISRCnotOnDeezer(`https://deezer.com/track/${id}`)
}
}
if (!(/^\d+$/.test(id))) throw new InvalidID(`https://deezer.com/track/${id}`)
// Get essential track info
let trackAPI_gw
try {
trackAPI_gw = await dz.gw.get_track_with_fallback(id)
} catch (e){
console.trace(e)
throw new GenerationError(`https://deezer.com/track/${id}`, e.message)
}
let title = trackAPI_gw.SNG_TITLE.trim()
if (trackAPI_gw.VERSION && !title.includes(trackAPI_gw.VERSION.trim())){
title += ` ${trackAPI_gw.VERSION.trim()}`
}
const explicit = Boolean(parseInt(trackAPI_gw.EXPLICIT_LYRICS || "0"))
return new Single({
type: 'track',
id: id,
bitrate: bitrate,
title: title,
artist: trackAPI_gw.ART_NAME,
cover: `https://e-cdns-images.dzcdn.net/images/cover/${trackAPI_gw.ALB_PICTURE}/75x75-000000-80-0-0.jpg`,
explicit: explicit,
single: {
trackAPI_gw: trackAPI_gw,
trackAPI: trackAPI,
albumAPI: albumAPI
}
})
}
async function generateAlbumItem(dz, id, bitrate, rootArtist){
// Get essential album info
let albumAPI
if (String(id).startsWith('upc')){
let upcs = [id.slice(4)]
upcs.push(parseInt(upcs[0])) // Try UPC without leading zeros as well
let lastError
await each(upcs, async (upc)=>{
try {
albumAPI = await dz.api.get_album(`upc:${upc}`)
} catch (e) {
lastError = e
albumAPI = null
}
})
if (!albumAPI){
console.trace(lastError)
throw new GenerationError(`https://deezer.com/album/${id}`, lastError.message)
}
id = albumAPI.id
} else {
try{
albumAPI = await dz.api.get_album(id)
} catch (e){
console.trace(e)
throw new GenerationError(`https://deezer.com/album/${id}`, e.message)
}
}
if (!(/^\d+$/.test(id))) throw new InvalidID(`https://deezer.com/album/${id}`)
// Get extra info about album
// This saves extra api calls when downloading
let albumAPI_gw = await dz.gw.get_album(id)
albumAPI.nb_disk = albumAPI_gw.NUMBER_DISK
albumAPI.copyright = albumAPI_gw.COPYRIGHT
albumAPI.release_date = albumAPI_gw.PHYSICAL_RELEASE_DATE
albumAPI.root_artist = rootArtist
// If the album is a single download as a track
if (albumAPI.nb_tracks == 1){
if (albumAPI.tracks.data.length)
return generateTrackItem(dz, albumAPI.tracks.data[0].id, bitrate, null, albumAPI)
throw new GenerationError(`https://deezer.com/album/${id}`, "Single has no tracks.")
}
let tracksArray = await dz.gw.get_album_tracks(id)
let cover
if (albumAPI.cover_small){
cover = albumAPI.cover_small.slice(0, -24) + '/75x75-000000-80-0-0.jpg'
}else{
cover = `https://e-cdns-images.dzcdn.net/images/cover/${albumAPI_gw.ALB_PICTURE}/75x75-000000-80-0-0.jpg`
}
const totalSize = tracksArray.length
albumAPI.nb_tracks = totalSize
let collection = []
tracksArray.forEach((trackAPI, pos) => {
trackAPI.POSITION = pos+1
collection.push(trackAPI)
})
let explicit = [LyricsStatus.EXPLICIT, LyricsStatus.PARTIALLY_EXPLICIT].includes(albumAPI_gw.EXPLICIT_ALBUM_CONTENT.EXPLICIT_LYRICS_STATUS || LyricsStatus.UNKNOWN)
return new Collection({
type: 'album',
id: id,
bitrate: bitrate,
title: albumAPI.title,
artist: albumAPI.artist.name,
cover: cover,
explicit: explicit,
size: totalSize,
collection: {
tracks_gw: collection,
albumAPI: albumAPI
}
})
}
async function generatePlaylistItem(dz, id, bitrate, playlistAPI, playlistTracksAPI){
if (!playlistAPI){
if (!(/^\d+$/.test(id))) throw new InvalidID(`https://deezer.com/playlist/${id}`)
// Get essential playlist info
try{
playlistAPI = await dz.api.get_playlist(id)
}catch (e){
console.trace(e)
playlistAPI = null
}
// Fallback to gw api if the playlist is private
if (!playlistAPI){
try{
let userPlaylist = await dz.gw.get_playlist_page(id)
playlistAPI = map_user_playlist(userPlaylist['DATA'])
}catch (e){
console.trace(e)
throw new GenerationError(`https://deezer.com/playlist/${id}`, e.message)
}
}
// Check if private playlist and owner
if (!playlistAPI.public && playlistAPI.creator.id != dz.current_user.id){
throw new NotYourPrivatePlaylist(`https://deezer.com/playlist/${id}`)
}
}
if (!playlistTracksAPI){
playlistTracksAPI = await dz.gw.get_playlist_tracks(id)
}
playlistAPI.various_artist = await dz.api.get_artist(5080) // Useful for save as compilation
const totalSize = playlistTracksAPI.length
playlistAPI.nb_tracks = totalSize
let collection = []
playlistTracksAPI.forEach((trackAPI, pos) => {
if (trackAPI.EXPLICIT_TRACK_CONTENT && [LyricsStatus.EXPLICIT, LyricsStatus.PARTIALLY_EXPLICIT].includes(trackAPI.EXPLICIT_TRACK_CONTENT.EXPLICIT_LYRICS_STATUS))
playlistAPI.explicit = true
trackAPI.POSITION = pos+1
collection.push(trackAPI)
});
if (!playlistAPI.explicit) playlistAPI.explicit = false
return new Collection({
type: 'playlist',
id: id,
bitrate: bitrate,
title: playlistAPI.title,
artist: playlistAPI.creator.name,
cover: playlistAPI.picture_small.slice(0, -24) + '/75x75-000000-80-0-0.jpg',
explicit: playlistAPI.explicit,
size: totalSize,
collection: {
tracks_gw: collection,
playlistAPI: playlistAPI
}
})
}
async function generateArtistItem(dz, id, bitrate, listener){
if (!(/^\d+$/.test(id))) throw new InvalidID(`https://deezer.com/artist/${id}`)
// Get essential artist info
let artistAPI
try{
artistAPI = await dz.api.get_artist(id)
}catch (e){
console.trace(e)
throw new GenerationError(`https://deezer.com/artist/${id}`, e.message)
}
const rootArtist = {
id: artistAPI.id,
name: artistAPI.name,
picture_small: artistAPI.picture_small
}
if (listener) { listener.send("startAddingArtist", rootArtist) }
const artistDiscographyAPI = await dz.gw.get_artist_discography_tabs(id, 100)
const allReleases = artistDiscographyAPI.all || []
let albumList = []
await each(allReleases, async (album) =>{
try{
let albumData = await generateAlbumItem(dz, album.id, bitrate, rootArtist)
albumList.push(albumData)
}catch (e){
console.warn(album.id, "No Data", e)
}
})
if (listener) { listener.send("finishAddingArtist", rootArtist) }
return albumList
}
async function generateArtistDiscographyItem(dz, id, bitrate, listener){
if (!(/^\d+$/.test(id))) throw new InvalidID(`https://deezer.com/artist/${id}/discography`)
// Get essential artist info
let artistAPI
try{
artistAPI = await dz.api.get_artist(id)
}catch (e){
console.trace(e)
throw new GenerationError(`https://deezer.com/artist/${id}/discography`, e.message)
}
const rootArtist = {
id: artistAPI.id,
name: artistAPI.name,
picture_small: artistAPI.picture_small
}
if (listener) { listener.send("startAddingArtist", rootArtist) }
let artistDiscographyAPI = await dz.gw.get_artist_discography_tabs(id, 100)
delete artistDiscographyAPI.all
let albumList = []
await each(artistDiscographyAPI, async(type) => {
await each(type, async (album) =>{
try{
let albumData = await generateAlbumItem(dz, album.id, bitrate, rootArtist)
albumList.push(albumData)
}catch (e){
console.warn(album.id, "No Data", e)
}
});
});
if (listener) { listener.send("finishAddingArtist", rootArtist) }
return albumList
}
async function generateArtistTopItem(dz, id, bitrate){
if (!(/^\d+$/.test(id))) throw new InvalidID(`https://deezer.com/artist/${id}/top_track`)
// Get essential artist info
let artistAPI
try{
artistAPI = dz.api.get_artist(id)
}catch (e){
console.trace(e)
throw new GenerationError(`https://deezer.com/artist/${id}/top_track`, e.message)
}
// Emulate the creation of a playlist
// Can't use generatePlaylistItem directly as this is not a real playlist
const playlistAPI = {
id: artistAPI.id+"_top_track",
title: artistAPI.name+" - Top Tracks",
description: "Top Tracks for "+artistAPI.name,
duration: 0,
public: true,
is_loved_track: false,
collaborative: false,
nb_tracks: 0,
fans: artistAPI.nb_fan,
link: "https://www.deezer.com/artist/"+artistAPI.id+"/top_track",
share: null,
picture: artistAPI.picture,
picture_small: artistAPI.picture_small,
picture_medium: artistAPI.picture_medium,
picture_big: artistAPI.picture_big,
picture_xl: artistAPI.picture_xl,
checksum: null,
tracklist: "https://api.deezer.com/artist/"+artistAPI.id+"/top",
creation_date: "XXXX-00-00",
creator: {
id: "art_"+artistAPI.id,
name: artistAPI.name,
type: "user"
},
type: "playlist"
}
let artistTopTracksAPI_gw = await dz.gw.get_artist_toptracks(id)
return generatePlaylistItem(dz, playlistAPI.id, bitrate, playlistAPI, artistTopTracksAPI_gw)
}
class GenerationError extends Error {
constructor(link, message) {
super(message)
this.link = link
this.name = "GenerationError"
}
}
class ISRCnotOnDeezer extends GenerationError {
constructor(link) {
super(link, "Track ISRC is not available on deezer")
this.name = "ISRCnotOnDeezer"
this.errid = "ISRCnotOnDeezer"
}
}
class NotYourPrivatePlaylist extends GenerationError {
constructor(link) {
super(link, "You can't download others private playlists.")
this.name = "NotYourPrivatePlaylist"
this.errid = "notYourPrivatePlaylist"
}
}
class TrackNotOnDeezer extends GenerationError {
constructor(link) {
super(link, "Track not found on deezer!")
this.name = "TrackNotOnDeezer"
this.errid = "trackNotOnDeezer"
}
}
class AlbumNotOnDeezer extends GenerationError {
constructor(link) {
super(link, "Album not found on deezer!")
this.name = "AlbumNotOnDeezer"
this.errid = "albumNotOnDeezer"
}
}
class InvalidID extends GenerationError {
constructor(link) {
super(link, "Link ID is invalid!")
this.name = "InvalidID"
this.errid = "invalidID"
}
}
class LinkNotSupported extends GenerationError {
constructor(link) {
super(link, "Link is not supported.")
this.name = "LinkNotSupported"
this.errid = "unsupportedURL"
}
}
class LinkNotRecognized extends GenerationError {
constructor(link) {
super(link, "Link is not recognized.")
this.name = "LinkNotRecognized"
this.errid = "invalidURL"
}
}
module.exports = {
generateTrackItem,
generateAlbumItem,
generatePlaylistItem,
generateArtistItem,
generateArtistDiscographyItem,
generateArtistTopItem,
GenerationError,
ISRCnotOnDeezer,
NotYourPrivatePlaylist,
TrackNotOnDeezer,
AlbumNotOnDeezer,
InvalidID,
LinkNotSupported,
LinkNotRecognized
}