add playlists to qobuz and deezer

src/streamers/deezer/constants.ts

@@ -1,6 +1,6 @@
 export const GW_LIGHT_URL = 'https://www.deezer.com/ajax/gw-light.php'
 export const CLIENT_ID = '447462'
 export const CLIENT_SECRET = 'a83bf7f38ad2f137e444727cfc3775cf'
-export const SIZES = [32, 64, 128, 256, 512, 1024]
+export const SIZES = [128, 256, 512, 1024]
 
 export const BLOWFISH_SECRET = 'g4el58wc0zvf9na1'

src/streamers/deezer/main.ts

@@ -5,6 +5,7 @@ import {
 	GetByUrlResponse,
 	GetStreamResponse,
 	ItemType,
+	PlaylistGetByUrlResponse,
 	SearchResults,
 	StreamerAccount,
 	StreamerWithLogin,
@@ -15,6 +16,7 @@ import { createHash } from 'crypto'
 import {
 	DeezerAlbum,
 	DeezerArtist,
+	DeezerPlaylistMetadata,
 	DeezerFormat,
 	DeezerLoginResponse,
 	DeezerMediaResponse,
@@ -22,7 +24,8 @@ import {
 	DeezerUserData,
 	parseAlbum,
 	parseArtist,
-	parseTrack
+	parseTrack,
+	parsePlaylistMetadata
 } from './parse.js'
 import { Readable, Transform } from 'stream'
 import { Blowfish } from 'blowfish-cbc'
@@ -43,9 +46,15 @@ interface APIMethod {
 		DATA: DeezerAlbum
 		SONGS: { data: DeezerTrack[] }
 	}
+	'playlist.getSongs': {
+		data: DeezerTrack[]
+	}
 	'deezer.pageTrack': {
 		DATA: DeezerTrack
 	}
+	'deezer.pagePlaylist': {
+		DATA: DeezerPlaylistMetadata
+	}
 	'user.getArl': string
 	'search.music': { data: (DeezerArtist | DeezerAlbum | DeezerTrack)[] }
 	'song.getListData': { data: DeezerTrack[] }
@@ -272,7 +281,7 @@ export default class Deezer implements StreamerWithLogin {
 	async #getInfoFromUrl(url: URL): Promise<{ type: ItemType; id: number }> {
 		if (url.hostname == 'deezer.page.link') url = await this.#unshortenUrl(url)
 
-		const match = url.pathname.match(/^\/(?:[a-z]{2}\/)?(track|album|artist)\/(\d+)\/?$/)
+		const match = url.pathname.match(/^\/(?:[a-z]{2}\/)?(track|album|artist|playlist)\/(\d+)\/?$/)
 		if (!match) throw new Error('URL not supported')
 
 		const [, type, id] = match
@@ -317,6 +326,29 @@ export default class Deezer implements StreamerWithLogin {
 		return data
 	}
 
+	// Playlist
+
+	async #getPlaylist(id: number): Promise<PlaylistGetByUrlResponse> {
+		const playlistMetadata = (
+			await this.#apiCall('deezer.pagePlaylist', {
+				playlist_id: id
+			})
+		).DATA
+		const playlistTracks = (
+			await this.#apiCall('playlist.getSongs', {
+				playlist_id: id,
+				nb: 9999,
+				start: 0
+			})
+		).data
+
+		return {
+			type: 'playlist',
+			metadata: parsePlaylistMetadata(playlistMetadata),
+			tracks: playlistTracks.map(parseTrack)
+		}
+	}
+
 	// Track
 
 	async #getTrackData(id: number): Promise<DeezerTrack> {
@@ -501,6 +533,9 @@ export default class Deezer implements StreamerWithLogin {
 					}
 				}
 			}
+			case 'playlist': {
+				return await this.#getPlaylist(id)
+			}
 			default:
 				throw new Error('URL unrecognised')
 		}

src/streamers/deezer/parse.ts

@@ -1,4 +1,4 @@
-import { Album, Artist, CoverArtwork, Track } from '../../types.js'
+import { Album, Artist, CoverArtwork, Playlist, Track } from '../../types.js'
 import { SIZES } from './constants.js'
 
 export enum DeezerFormat {
@@ -185,3 +185,22 @@ export function parseArtwork(picture: string): CoverArtwork[] {
 		width: size
 	}))
 }
+
+export interface DeezerPlaylistMetadata {
+	PLAYLIST_ID: string
+	TITLE: string
+	DESCRIPTION: string
+	PLAYLIST_PICTURE: string
+	DURATION: number
+	NB_SONG: number
+}
+
+export function parsePlaylistMetadata(raw: DeezerPlaylistMetadata) {
+	return <Playlist>{
+		id: raw.PLAYLIST_ID,
+		title: raw.TITLE,
+		url: `https://www.deezer.com/playlist/${raw.PLAYLIST_ID}`,
+		coverArtwork: parseArtwork(raw.PLAYLIST_PICTURE),
+		trackCount: raw.NB_SONG
+	}
+}

src/streamers/qobuz/main.ts

@@ -10,7 +10,16 @@ import {
 	StreamerAccount
 } from '../../types.js'
 import { DEFAULT_HEADERS } from './constants.js'
-import { parseAlbum, parseTrack, parseArtist, RawAlbum, RawArtist, RawTrack } from './parse.js'
+import {
+	parseAlbum,
+	parseTrack,
+	parseArtist,
+	RawAlbum,
+	RawArtist,
+	RawTrack,
+	RawPlaylist,
+	parsePlaylist
+} from './parse.js'
 import { Readable } from 'stream'
 
 function headers(token?: string): HeadersInit {
@@ -207,6 +216,7 @@ export default class Qobuz implements StreamerWithLogin {
 			app_id: this.appId
 		})
 		return {
+			type: 'album',
 			metadata: { ...parseAlbum(albumResponse), trackCount: albumResponse.tracks?.items.length },
 			tracks: albumResponse.tracks?.items.map(parseTrack)
 		}
@@ -224,7 +234,21 @@ export default class Qobuz implements StreamerWithLogin {
 		)
 	}
 
-	#getUrlParts(url: string): ['artist' | 'album' | 'track', string] {
+	async #getPlaylist(id: string) {
+		const init = <RawPlaylist>await this.#get('playlist/get', {
+			playlist_id: id,
+			extra: 'tracks,getSimilarPlaylists',
+			offset: 0,
+			limit: 1000,
+			app_id: this.appId
+		})
+
+		if (init.tracks_count > 1000)
+			throw new Error('To be added, playlists with over a thousand tracks.')
+		else return parsePlaylist(init)
+	}
+
+	#getUrlParts(url: string): ['artist' | 'album' | 'track' | 'playlist', string] {
 		const urlObj = new URL(url)
 		if (urlObj.hostname == 'www.qobuz.com' || urlObj.hostname == 'qobuz.com') {
 			const urlParts = url
@@ -239,6 +263,8 @@ export default class Qobuz implements StreamerWithLogin {
 				case 'album':
 				case 'track':
 					return [type, id]
+				case 'playlists':
+					return ['playlist', id]
 				default:
 					throw new Error('URL unrecognised')
 			}
@@ -248,7 +274,12 @@ export default class Qobuz implements StreamerWithLogin {
 			?.slice(1, 3)
 		if (!urlParts) throw new Error('URL not supported')
 		urlParts[1] = urlParts[1].replace(/\?.*?$/, '')
-		if (urlParts[0] != 'artist' && urlParts[0] != 'album' && urlParts[0] != 'track') {
+		if (
+			urlParts[0] != 'artist' &&
+			urlParts[0] != 'album' &&
+			urlParts[0] != 'track' &&
+			urlParts[0] != 'playlist'
+		) {
 			throw new Error('URL unrecognised')
 		}
 		return [urlParts[0], urlParts[1]]
@@ -282,6 +313,9 @@ export default class Qobuz implements StreamerWithLogin {
 					metadata: await this.#getArtistMetadata(id)
 				}
 			}
+			case 'playlist': {
+				return await this.#getPlaylist(id)
+			}
 			default:
 				throw new Error('URL unrecognised')
 		}

src/streamers/qobuz/parse.ts

@@ -1,4 +1,4 @@
-import { Artist, Album, Track } from '../../types.js'
+import { Artist, Album, Track, PlaylistGetByUrlResponse } from '../../types.js'
 
 export interface RawArtist {
 	id: number
@@ -154,3 +154,37 @@ function parsePerformers(performers: string, track: Track) {
 
 	return track
 }
+
+export interface RawPlaylist {
+	owner: {
+		id: number
+		name: string
+	}
+	id: number
+	name: string
+	images: string[]
+	is_collaborative: boolean
+	description: string
+	created_at: number
+	duration: number
+	tracks_count: number
+	tracks: {
+		offset?: number
+		limit?: number
+		total?: number
+		items: RawTrack[]
+	}
+}
+
+export function parsePlaylist(raw: RawPlaylist) {
+	return <PlaylistGetByUrlResponse>{
+		type: 'playlist',
+		metadata: {
+			id: raw.id,
+			title: raw.name,
+			trackCount: raw?.tracks_count || raw?.tracks?.total,
+			url: `https://open.qobuz.com/playlist/${raw.id}`
+		},
+		tracks: raw.tracks?.items.map(parseTrack)
+	}
+}