Files
Musify/lib/API/musify.dart
Valeri Gokadze 4e5e9a03ab Improved code
2023-12-08 19:11:43 +04:00

539 lines
15 KiB
Dart

import 'dart:async';
import 'dart:convert';
import 'dart:math';
import 'package:flutter/widgets.dart';
import 'package:hive/hive.dart';
import 'package:http/http.dart' as http;
import 'package:musify/DB/albums.db.dart';
import 'package:musify/DB/playlists.db.dart';
import 'package:musify/enums/quality_enum.dart';
import 'package:musify/extensions/l10n.dart';
import 'package:musify/main.dart';
import 'package:musify/services/data_manager.dart';
import 'package:musify/services/lyrics_manager.dart';
import 'package:musify/services/settings_manager.dart';
import 'package:musify/utilities/flutter_toast.dart';
import 'package:musify/utilities/formatter.dart';
import 'package:youtube_explode_dart/youtube_explode_dart.dart';
final yt = YoutubeExplode();
final random = Random();
List globalSongs = [];
List playlists = [...playlistsDB, ...albumsDB];
List userPlaylists = Hive.box('user').get('playlists', defaultValue: []);
List userCustomPlaylists =
Hive.box('user').get('customPlaylists', defaultValue: []);
List userLikedSongsList = Hive.box('user').get('likedSongs', defaultValue: []);
List userLikedPlaylists =
Hive.box('user').get('likedPlaylists', defaultValue: []);
List userRecentlyPlayed =
Hive.box('user').get('recentlyPlayedSongs', defaultValue: []);
List suggestedPlaylists = [];
Map activePlaylist = {
'ytid': '',
'title': 'No Playlist',
'header_desc': '',
'image': '',
'list': [],
};
final currentLikedSongsLength = ValueNotifier<int>(userLikedSongsList.length);
final currentLikedPlaylistsLength =
ValueNotifier<int>(userLikedPlaylists.length);
final currentRecentlyPlayedLength =
ValueNotifier<int>(userRecentlyPlayed.length);
final lyrics = ValueNotifier<String?>(null);
String? lastFetchedLyrics;
int id = 0;
Future<List> fetchSongsList(String searchQuery) async {
try {
final List<Video> searchResults = await yt.search.search(searchQuery);
return searchResults.map((video) => returnSongLayout(0, video)).toList();
} catch (e) {
logger.log('Error in fetchSongsList: $e');
return [];
}
}
Future<List> getRecommendedSongs() async {
try {
final playlistSongs = [...userLikedSongsList, ...userRecentlyPlayed];
if (globalSongs.isEmpty) {
const playlistId = 'PLgzTt0k8mXzEk586ze4BjvDXR7c-TUSnx';
globalSongs = await getSongsFromPlaylist(playlistId);
}
playlistSongs.addAll(globalSongs.take(10));
if (userCustomPlaylists.isNotEmpty) {
for (final userPlaylist in userCustomPlaylists) {
final _list = userPlaylist['list'] as List;
_list.shuffle();
playlistSongs.addAll(_list.take(5));
}
}
playlistSongs.shuffle();
final seenYtIds = <String>{};
playlistSongs.removeWhere((song) => !seenYtIds.add(song['ytid']));
return playlistSongs.take(15).toList();
} catch (e) {
logger.log('Error in getRecommendedSongs: $e');
return [];
}
}
Future<List<dynamic>> getUserPlaylists() async {
final playlistsByUser = [...userCustomPlaylists];
for (final playlistID in userPlaylists) {
final plist = await yt.playlists.get(playlistID);
playlistsByUser.add({
'ytid': plist.id.toString(),
'title': plist.title,
'header_desc': plist.description.length < 120
? plist.description
: plist.description.substring(0, 120),
'image': '',
'list': [],
});
}
return playlistsByUser;
}
String addUserPlaylist(String playlistId, BuildContext context) {
if (playlistId.length != 34) {
return '${context.l10n!.notYTlist}!';
} else {
userPlaylists.add(playlistId);
addOrUpdateData('user', 'playlists', userPlaylists);
return '${context.l10n!.addedSuccess}!';
}
}
String createCustomPlaylist(
String playlistName,
String? image,
String? description,
BuildContext context,
) {
final customPlaylist = {
'title': playlistName,
'isCustom': true,
if (image != null) 'image': image,
if (description != null) 'header_desc': description,
'list': [],
};
userCustomPlaylists.add(customPlaylist);
addOrUpdateData('user', 'customPlaylists', userCustomPlaylists);
return '${context.l10n!.addedSuccess}!';
}
String addSongInCustomPlaylist(
String playlistName,
Map song, {
int? indexToInsert,
}) {
final customPlaylist = userCustomPlaylists.firstWhere(
(playlist) => playlist['title'] == playlistName,
orElse: () => null,
);
if (customPlaylist != null) {
final List<dynamic> playlistSongs = customPlaylist['list'];
indexToInsert != null
? playlistSongs.insert(indexToInsert, song)
: playlistSongs.add(song);
addOrUpdateData('user', 'customPlaylists', userCustomPlaylists);
return 'Song added to custom playlist: $playlistName';
} else {
return 'Custom playlist not found: $playlistName';
}
}
void removeSongFromPlaylist(
Map playlist,
Map songToRemove, {
int? removeOneAtIndex,
}) {
if (playlist['list'] == null) return;
final playlistSongs = List<dynamic>.from(playlist['list']);
removeOneAtIndex != null
? playlistSongs.removeAt(removeOneAtIndex)
: playlistSongs
.removeWhere((song) => song['ytid'] == songToRemove['ytid']);
playlist['list'] = playlistSongs;
if (playlist['isCustom'])
addOrUpdateData('user', 'customPlaylists', userCustomPlaylists);
else
addOrUpdateData('user', 'playlists', userPlaylists);
}
void removeUserPlaylist(String playlistId) {
userPlaylists.remove(playlistId);
addOrUpdateData('user', 'playlists', userPlaylists);
}
void removeUserCustomPlaylist(dynamic playlist) {
userCustomPlaylists.remove(playlist);
addOrUpdateData('user', 'customPlaylists', userCustomPlaylists);
}
Future<void> updateSongLikeStatus(dynamic songId, bool add) async {
if (add) {
userLikedSongsList
.add(await getSongDetails(userLikedSongsList.length, songId));
} else {
userLikedSongsList.removeWhere((song) => song['ytid'] == songId);
}
addOrUpdateData('user', 'likedSongs', userLikedSongsList);
}
void moveLikedSong(int oldIndex, int newIndex) {
final _song = userLikedSongsList[oldIndex];
userLikedSongsList.removeAt(oldIndex);
userLikedSongsList.insert(newIndex, _song);
currentLikedSongsLength.value = userLikedSongsList.length;
addOrUpdateData('user', 'likedSongs', userLikedSongsList);
}
Future<void> updatePlaylistLikeStatus(
String playlistId,
String playlistImage,
String playlistTitle,
bool add,
) async {
if (add) {
userLikedPlaylists.add({
'ytid': playlistId,
'title': playlistTitle,
'header_desc': '',
'image': playlistImage,
'list': [],
});
} else {
userLikedPlaylists
.removeWhere((playlist) => playlist['ytid'] == playlistId);
}
addOrUpdateData('user', 'likedPlaylists', userLikedPlaylists);
}
bool isSongAlreadyLiked(songIdToCheck) =>
userLikedSongsList.any((song) => song['ytid'] == songIdToCheck);
bool isPlaylistAlreadyLiked(playlistIdToCheck) =>
userLikedPlaylists.any((playlist) => playlist['ytid'] == playlistIdToCheck);
Future<List> getPlaylists({
String? query,
int? playlistsNum,
bool onlyLiked = false,
}) async {
if (playlistsNum != null && query == null) {
if (suggestedPlaylists.isEmpty) {
suggestedPlaylists = playlists.toList()..shuffle();
}
return suggestedPlaylists.take(playlistsNum).toList();
}
if (query != null && playlistsNum == null) {
final lowercaseQuery = query.toLowerCase();
return playlists.where((playlist) {
final lowercaseTitle = playlist['title'].toLowerCase();
return lowercaseTitle.contains(lowercaseQuery);
}).toList();
}
if (onlyLiked && playlistsNum == null && query == null) {
return userLikedPlaylists;
}
return playlists;
}
Future<List<String>> getSearchSuggestions(String query) async {
// Custom implementation:
// const baseUrl = 'https://suggestqueries.google.com/complete/search';
// final parameters = {
// 'client': 'firefox',
// 'ds': 'yt',
// 'q': query,
// };
// final uri = Uri.parse(baseUrl).replace(queryParameters: parameters);
// try {
// final response = await http.get(
// uri,
// headers: {
// 'User-Agent':
// 'Mozilla/5.0 (Windows NT 10.0; rv:96.0) Gecko/20100101 Firefox/96.0',
// },
// );
// if (response.statusCode == 200) {
// final suggestions = jsonDecode(response.body)[1] as List<dynamic>;
// final suggestionStrings = suggestions.cast<String>().toList();
// return suggestionStrings;
// }
// } catch (e) {
// logger.log('Error in getSearchSuggestions: $e');
// }
// Built-in implementation:
final suggestions = await yt.search.getQuerySuggestions(query);
return suggestions;
}
Future<List<Map<String, int>>> getSkipSegments(String id) async {
try {
final res = await http.get(
Uri(
scheme: 'https',
host: 'sponsor.ajay.app',
path: '/api/skipSegments',
queryParameters: {
'videoID': id,
'category': [
'sponsor',
'selfpromo',
'interaction',
'intro',
'outro',
'music_offtopic',
],
'actionType': 'skip',
},
),
);
if (res.body != 'Not Found') {
final data = jsonDecode(res.body);
final segments = data.map((obj) {
return Map.castFrom<String, dynamic, String, int>({
'start': obj['segment'].first.toInt(),
'end': obj['segment'].last.toInt(),
});
}).toList();
return List.castFrom<dynamic, Map<String, int>>(segments);
} else {
return [];
}
} catch (e, stack) {
logger.log('Error in getSkipSegments: $e $stack');
return [];
}
}
Future<Map> getRandomSong() async {
const playlistId = 'PLgzTt0k8mXzEk586ze4BjvDXR7c-TUSnx';
final playlistSongs = await getSongsFromPlaylist(playlistId);
return playlistSongs[random.nextInt(playlistSongs.length)];
}
Future<List> getSongsFromPlaylist(dynamic playlistId) async {
final songList = await getData('cache', 'playlistSongs$playlistId') ?? [];
if (songList.isEmpty) {
await for (final song in yt.playlists.getVideos(playlistId)) {
songList.add(returnSongLayout(songList.length, song));
}
addOrUpdateData('cache', 'playlistSongs$playlistId', songList);
}
return songList;
}
Future updatePlaylistList(
BuildContext context,
String playlistId,
) async {
final index = findPlaylistIndexByYtId(playlistId);
if (index != -1) {
final songList = [];
await for (final song in yt.playlists.getVideos(playlistId)) {
songList.add(returnSongLayout(songList.length, song));
}
playlists[index]['list'] = songList;
addOrUpdateData('cache', 'playlistSongs$playlistId', songList);
showToast(context, context.l10n!.playlistUpdated);
}
return playlists[index];
}
int findPlaylistIndexByYtId(String ytid) {
for (var i = 0; i < playlists.length; i++) {
if (playlists[i]['ytid'] == ytid) {
return i;
}
}
return -1;
}
Future<void> setActivePlaylist(Map info) async {
activePlaylist = info;
id = 0;
await audioHandler.playSong(activePlaylist['list'][id]);
}
Future<Map<String, dynamic>?> getPlaylistInfoForWidget(dynamic id) async {
Map<String, dynamic>? playlist =
playlists.firstWhere((list) => list['ytid'] == id, orElse: () => null);
if (playlist == null) {
final usPlaylists = await getUserPlaylists();
playlist = usPlaylists.firstWhere(
(list) => list['ytid'] == id,
orElse: () => null,
);
}
if (playlist != null && playlist['list'].isEmpty) {
playlist['list'] = await getSongsFromPlaylist(playlist['ytid']);
if (!playlists.contains(playlist)) {
playlists.add(playlist);
}
}
return playlist;
}
Future<AudioOnlyStreamInfo> getSongManifest(String songId) async {
try {
final manifest = await yt.videos.streamsClient.getManifest(songId);
final audioStream = manifest.audioOnly.withHighestBitrate();
return audioStream;
} catch (e) {
logger.log('Error while getting song streaming manifest: $e');
rethrow; // Rethrow the exception to allow the caller to handle it
}
}
const Duration _cacheDuration = Duration(hours: 12);
Future<String> getSong(String songId, bool isLive) async {
try {
final qualitySetting = audioQualitySetting.value;
final isQualityChanged = qualitySetting != null;
final cacheKey =
'song_$songId${isQualityChanged ? '_${qualitySetting.name}' : ''}_url';
final cachedUrl = await getData(
'cache',
cacheKey,
cachingDuration: _cacheDuration,
);
if (cachedUrl != null) {
return cachedUrl;
} else if (isLive) {
return await getLiveStreamUrl(songId);
} else {
return await getAudioUrl(songId, isQualityChanged, cacheKey);
}
} catch (e) {
logger.log('Error while getting song streaming URL: $e');
rethrow;
}
}
Future<String> getLiveStreamUrl(String songId) async {
final streamInfo =
await yt.videos.streamsClient.getHttpLiveStreamUrl(VideoId(songId));
return streamInfo;
}
Future<String> getAudioUrl(
String songId,
bool isQualityChanged,
String cacheKey,
) async {
final manifest = await yt.videos.streamsClient.getManifest(songId);
final audioQuality = selectAudioQuality(manifest.audioOnly, isQualityChanged);
final audioUrl = audioQuality.url.toString();
unawaited(updateRecentlyPlayed(songId));
addOrUpdateData('cache', cacheKey, audioUrl);
return audioUrl;
}
AudioStreamInfo selectAudioQuality(
List<AudioStreamInfo> availableSources,
bool isQualityChanged,
) {
if (!isQualityChanged) {
return availableSources.withHighestBitrate();
}
final selectedQuality = audioQualitySetting.value ?? AudioQuality.bestQuality;
switch (selectedQuality) {
case AudioQuality.lowQuality:
return availableSources.last;
case AudioQuality.mediumQuality:
return availableSources[availableSources.length ~/ 2];
case AudioQuality.bestQuality:
default:
return availableSources.first;
}
}
Future<Map<String, dynamic>> getSongDetails(
int songIndex,
String songId,
) async {
try {
final song = await yt.videos.get(songId);
return returnSongLayout(songIndex, song);
} catch (e) {
logger.log('Error while getting song details: $e');
rethrow;
}
}
Future getSongLyrics(String artist, String title) async {
if (lastFetchedLyrics != '$artist - $title') {
lyrics.value = null;
final _lyrics = await LyricsManager().fetchLyrics(artist, title);
if (_lyrics != null) {
lyrics.value = _lyrics;
} else {
lyrics.value = 'not found';
}
lastFetchedLyrics = '$artist - $title';
return _lyrics;
}
return lyrics.value;
}
Future<void> updateRecentlyPlayed(dynamic songId) async {
if (userRecentlyPlayed.length >= 20) {
userRecentlyPlayed.removeAt(0);
}
userRecentlyPlayed.removeWhere((song) => song['ytid'] == songId);
final newSongDetails =
await getSongDetails(userRecentlyPlayed.length, songId);
userRecentlyPlayed.add(newSongDetails);
addOrUpdateData('user', 'recentlyPlayedSongs', userRecentlyPlayed);
}