106 lines
3.2 KiB
Dart
106 lines
3.2 KiB
Dart
import 'dart:async';
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import 'package:get/get.dart';
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import 'package:rhythm_box/providers/audio_player.dart';
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import 'package:rhythm_box/providers/auth.dart';
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import 'package:rhythm_box/providers/spotify.dart';
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import 'package:rhythm_box/providers/user_preferences.dart';
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import 'package:rhythm_box/services/audio_player/audio_player.dart';
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import 'package:spotify/spotify.dart';
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import 'error_notifier.dart';
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class EndlessPlaybackProvider extends GetxController {
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late final _auth = Get.find<AuthenticationProvider>();
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late final _playback = Get.find<AudioPlayerProvider>();
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late final _spotify = Get.find<SpotifyProvider>().api;
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late final _preferences = Get.find<UserPreferencesProvider>();
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bool get isEndlessPlayback => _preferences.state.value.endlessPlayback;
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late final StreamSubscription _subscription;
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StreamSubscription? _idxSubscription;
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@override
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void onInit() {
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super.onInit();
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_initPlayback();
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_subscription = _preferences.state.listen((value) {
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if (value.endlessPlayback && _idxSubscription == null) {
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_initPlayback();
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} else if (!value.endlessPlayback && _idxSubscription != null) {
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_idxSubscription!.cancel();
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_idxSubscription = null;
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}
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});
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}
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@override
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void dispose() {
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_subscription.cancel();
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super.dispose();
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}
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void _initPlayback() {
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if (!isEndlessPlayback || _auth.auth.value == null) return;
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void listener(int index) async {
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try {
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final playState = _playback.state.value;
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if (index != playState.tracks.length - 1) return;
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final track = playState.tracks.last;
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final query = '${track.name} Radio';
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final pages = await _spotify.search
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.get(query, types: [SearchType.playlist]).first();
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final radios = pages
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.expand((e) => e.items?.toList() ?? <PlaylistSimple>[])
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.toList()
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.cast<PlaylistSimple>();
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final artists = track.artists!.map((e) => e.name);
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final radio = radios.firstWhere(
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(e) {
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final validPlaylists =
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artists.where((a) => e.description!.contains(a!));
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return e.name == '${track.name} Radio' &&
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(validPlaylists.length >= 2 ||
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validPlaylists.length == artists.length) &&
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e.owner?.displayName != 'Spotify';
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},
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orElse: () => radios.first,
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);
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final tracks =
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await _spotify.playlists.getTracksByPlaylistId(radio.id!).all();
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await _playback.addTracks(
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tracks.toList()
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..removeWhere((e) {
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final isDuplicate =
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_playback.state.value.tracks.any((t) => t.id == e.id);
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return e.id == track.id || isDuplicate;
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}),
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);
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} catch (e, stack) {
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Get.find<ErrorNotifier>()
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.logError('[EndlessPlayback] Error: $e', trace: stack);
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}
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}
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if (_playback.state.value.playlist.index ==
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_playback.state.value.playlist.medias.length - 1 &&
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_playback.isPlaying.value) {
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listener(_playback.state.value.playlist.index);
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}
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_idxSubscription = audioPlayer.currentIndexChangedStream.listen(listener);
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}
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}
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