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356
lib/api/deezer.dart
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356
lib/api/deezer.dart
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import 'package:dio/dio.dart';
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import 'package:cookie_jar/cookie_jar.dart';
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import 'package:dio_cookie_manager/dio_cookie_manager.dart';
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import 'dart:io';
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import 'dart:convert';
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import '../settings.dart';
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import 'definitions.dart';
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DeezerAPI deezerAPI = DeezerAPI();
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class DeezerAPI {
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String arl;
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DeezerAPI({this.arl});
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String token;
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String userId;
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String favoritesPlaylistId;
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String privateUrl = 'http://www.deezer.com/ajax/gw-light.php';
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Map<String, String> headers = {
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"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36",
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"Content-Language": '${settings.deezerLanguage??"en"}-${settings.deezerCountry??'US'}',
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"Cache-Control": "max-age=0",
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"Accept": "*/*",
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"Accept-Charset": "utf-8,ISO-8859-1;q=0.7,*;q=0.3",
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"Accept-Language": "${settings.deezerLanguage??"en"}-${settings.deezerCountry??'US'},${settings.deezerLanguage??"en"};q=0.9,en-US;q=0.8,en;q=0.7",
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"Connection": "keep-alive"
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};
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CookieJar _cookieJar = new CookieJar();
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//Call private api
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Future<Map<dynamic, dynamic>> callApi(String method, {Map<dynamic, dynamic> params, String gatewayInput}) async {
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Dio dio = Dio();
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//Add headers
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dio.interceptors.add(InterceptorsWrapper(
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onRequest: (RequestOptions options) {
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options.headers = this.headers;
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return options;
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}
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));
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//Add cookies
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List<Cookie> cookies = [Cookie('arl', this.arl)];
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_cookieJar.saveFromResponse(Uri.parse(this.privateUrl), cookies);
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dio.interceptors.add(CookieManager(_cookieJar));
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//Make request
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Response<dynamic> response = await dio.post(
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this.privateUrl,
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queryParameters: {
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'api_version': '1.0',
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'api_token': this.token,
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'input': '3',
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'method': method,
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//Used for homepage
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if (gatewayInput != null)
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'gateway_input': gatewayInput
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},
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data: jsonEncode(params??{}),
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options: Options(responseType: ResponseType.json, sendTimeout: 7000, receiveTimeout: 7000)
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);
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return response.data;
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}
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//Authorize, bool = success
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Future<bool> authorize() async {
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try {
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Map<dynamic, dynamic> data = await callApi('deezer.getUserData');
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if (data['results']['USER']['USER_ID'] == 0) {
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return false;
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} else {
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this.token = data['results']['checkForm'];
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this.userId = data['results']['USER']['USER_ID'].toString();
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this.favoritesPlaylistId = data['results']['USER']['LOVEDTRACKS_ID'];
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return true;
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}
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} catch (e) { return false; }
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}
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//Search
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Future<SearchResults> search(String query) async {
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Map<dynamic, dynamic> data = await callApi('deezer.pageSearch', params: {
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'nb': 50,
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'query': query,
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'start': 0
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});
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return SearchResults.fromPrivateJson(data['results']);
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}
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Future<Track> track(String id) async {
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Map<dynamic, dynamic> data = await callApi('song.getListData', params: {'sng_ids': [id]});
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return Track.fromPrivateJson(data['results']['data'][0]);
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}
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//Get album details, tracks
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Future<Album> album(String id) async {
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Map<dynamic, dynamic> data = await callApi('deezer.pageAlbum', params: {
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'alb_id': id,
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'header': true,
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'lang': 'us'
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});
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return Album.fromPrivateJson(data['results']['DATA'], songsJson: data['results']['SONGS']);
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}
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//Get artist details
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Future<Artist> artist(String id) async {
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Map<dynamic, dynamic> data = await callApi('deezer.pageArtist', params: {
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'art_id': id,
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'lang': 'us',
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});
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return Artist.fromPrivateJson(
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data['results']['DATA'],
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topJson: data['results']['TOP'],
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albumsJson: data['results']['ALBUMS']
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);
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}
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//Get playlist tracks at offset
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Future<List<Track>> playlistTracksPage(String id, int start, {int nb = 50}) async {
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Map data = await callApi('deezer.pagePlaylist', params: {
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'playlist_id': id,
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'lang': 'us',
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'nb': nb,
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'tags': true,
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'start': start
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});
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return data['results']['SONGS']['data'].map<Track>((json) => Track.fromPrivateJson(json)).toList();
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}
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//Get playlist details
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Future<Playlist> playlist(String id, {int nb = 100}) async {
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Map<dynamic, dynamic> data = await callApi('deezer.pagePlaylist', params: {
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'playlist_id': id,
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'lang': 'us',
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'nb': nb,
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'tags': true,
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'start': 0
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});
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return Playlist.fromPrivateJson(data['results']['DATA'], songsJson: data['results']['SONGS']);
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}
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//Get playlist with all tracks
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Future<Playlist> fullPlaylist(String id) async {
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Playlist p = await playlist(id, nb: 200);
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for (int i=200; i<p.trackCount; i++) {
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//Get another page of tracks
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List<Track> tracks = await playlistTracksPage(id, i, nb: 200);
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p.tracks.addAll(tracks);
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i += 200;
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continue;
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}
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return p;
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}
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//Add track to favorites
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Future addFavoriteTrack(String id) async {
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await callApi('favorite_song.add', params: {'SNG_ID': id});
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}
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//Add album to favorites/library
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Future addFavoriteAlbum(String id) async {
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await callApi('album.addFavorite', params: {'ALB_ID': id});
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}
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//Add artist to favorites/library
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Future addFavoriteArtist(String id) async {
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await callApi('artist.addFavorite', params: {'ART_ID': id});
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}
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//Remove artist from favorites/library
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Future removeArtist(String id) async {
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await callApi('artist.deleteFavorite', params: {'ART_ID': id});
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}
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//Add tracks to playlist
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Future addToPlaylist(String trackId, String playlistId, {int offset = -1}) async {
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await callApi('playlist.addSongs', params: {
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'offset': offset,
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'playlist_id': playlistId,
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'songs': [[trackId, 0]]
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});
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}
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//Remove track from playlist
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Future removeFromPlaylist(String trackId, String playlistId) async {
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await callApi('playlist.deleteSongs', params: {
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'playlist_id': playlistId,
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'songs': [[trackId, 0]]
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});
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}
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//Get users playlists
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Future<List<Playlist>> getPlaylists() async {
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Map data = await callApi('deezer.pageProfile', params: {
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'nb': 100,
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'tab': 'playlists',
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'user_id': this.userId
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});
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return data['results']['TAB']['playlists']['data'].map<Playlist>((json) => Playlist.fromPrivateJson(json, library: true)).toList();
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}
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//Get favorite albums
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Future<List<Album>> getAlbums() async {
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Map data = await callApi('deezer.pageProfile', params: {
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'nb': 50,
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'tab': 'albums',
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'user_id': this.userId
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});
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List albumList = data['results']['TAB']['albums']['data'];
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List<Album> albums = albumList.map<Album>((json) => Album.fromPrivateJson(json, library: true)).toList();
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return albums;
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}
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//Remove album from library
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Future removeAlbum(String id) async {
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await callApi('album.deleteFavorite', params: {
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'ALB_ID': id
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});
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}
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//Remove track from favorites
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Future removeFavorite(String id) async {
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await callApi('favorite_song.remove', params: {
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'SNG_ID': id
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});
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}
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//Get favorite artists
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Future<List<Artist>> getArtists() async {
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Map data = await callApi('deezer.pageProfile', params: {
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'nb': 40,
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'tab': 'artists',
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'user_id': this.userId
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});
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return data['results']['TAB']['artists']['data'].map<Artist>((json) => Artist.fromPrivateJson(json, library: true)).toList();
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}
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//Get lyrics by track id
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Future<Lyrics> lyrics(String trackId) async {
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Map data = await callApi('song.getLyrics', params: {
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'sng_id': trackId
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});
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if (data['error'] != null && data['error'].length > 0) return Lyrics().error;
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return Lyrics.fromPrivateJson(data['results']);
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}
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Future<SmartTrackList> smartTrackList(String id) async {
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Map data = await callApi('deezer.pageSmartTracklist', params: {
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'smarttracklist_id': id
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});
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return SmartTrackList.fromPrivateJson(data['results']['DATA'], songsJson: data['results']['SONGS']);
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}
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Future<List<Track>> flow() async {
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Map data = await callApi('radio.getUserRadio', params: {
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'user_id': userId
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});
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return data['results']['data'].map<Track>((json) => Track.fromPrivateJson(json)).toList();
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}
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//Get homepage/music library from deezer
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Future<HomePage> homePage() async {
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List grid = ['album', 'artist', 'channel', 'flow', 'playlist', 'radio', 'show', 'smarttracklist', 'track', 'user'];
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Map data = await callApi('page.get', gatewayInput: jsonEncode({
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"PAGE": "home",
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"VERSION": "2.3",
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"SUPPORT": {
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/*
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"deeplink-list": ["deeplink"],
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"list": ["episode"],
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"grid-preview-one": grid,
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"grid-preview-two": grid,
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"slideshow": grid,
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"message": ["call_onboarding"],
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*/
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"grid": grid,
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"horizontal-grid": grid,
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"item-highlight": ["radio"],
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"large-card": ["album", "playlist", "show", "video-link"],
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"ads": [] //Nope
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},
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"LANG": "us",
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"OPTIONS": []
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}));
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return HomePage.fromPrivateJson(data['results']);
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}
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//Log song listen to deezer
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Future logListen(String trackId) async {
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await callApi('log.listen', params: {'next_media': {'media': {'id': trackId, 'type': 'song'}}});
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}
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Future<HomePage> getChannel(String target) async {
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List grid = ['album', 'artist', 'channel', 'flow', 'playlist', 'radio', 'show', 'smarttracklist', 'track', 'user'];
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Map data = await callApi('page.get', gatewayInput: jsonEncode({
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'PAGE': target,
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"VERSION": "2.3",
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"SUPPORT": {
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/*
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"deeplink-list": ["deeplink"],
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"list": ["episode"],
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"grid-preview-one": grid,
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"grid-preview-two": grid,
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"slideshow": grid,
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"message": ["call_onboarding"],
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*/
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"grid": grid,
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"horizontal-grid": grid,
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"item-highlight": ["radio"],
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"large-card": ["album", "playlist", "show", "video-link"],
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"ads": [] //Nope
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},
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"LANG": "us",
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"OPTIONS": []
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}));
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return HomePage.fromPrivateJson(data['results']);
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}
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//Add playlist to library
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Future addPlaylist(String id) async {
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await callApi('playlist.addFavorite', params: {
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'parent_playlist_id': int.parse(id)
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});
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}
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//Remove playlist from library
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Future removePlaylist(String id) async {
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await callApi('playlist.deleteFavorite', params: {
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'playlist_id': int.parse(id)
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});
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}
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//Delete playlist
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Future deletePlaylist(String id) async {
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await callApi('playlist.delete', params: {
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'playlist_id': id
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});
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}
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//Create playlist
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//Status 1 - private, 2 - collaborative
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Future createPlaylist(String title, {String description = "", int status = 1, List<String> trackIds = const []}) async {
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Map data = await callApi('playlist.create', params: {
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'title': title,
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'description': description,
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'songs': trackIds.map<List>((id) => [int.parse(id), trackIds.indexOf(id)]).toList(),
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'status': status
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});
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//Return playlistId
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return data['results'];
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}
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}
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