Spark
1 week ago
parent
e908f62d86
commit
04e09c2507
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// audio_player_controller.dart
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import 'dart:async';
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import 'package:get/get.dart';
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import 'package:just_audio/just_audio.dart';
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import '../common_widget/Song_widegt.dart';
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import '../models/getMusicList_bean.dart';
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import '../common/download_manager.dart';
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import '../common_widget/app_data.dart';
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import '../api/api_music_list.dart';
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class AudioPlayerController extends GetxController {
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final audioPlayer = AudioPlayer();
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final downloadManager = Get.find<DownloadManager>();
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final appData = AppData();
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// Observable values
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final currentSongIndex = 0.obs;
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final duration = Duration.zero.obs;
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final position = Duration.zero.obs;
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final isPlaying = false.obs;
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final isLoading = false.obs;
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final isRotating = false.obs;
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final isDisposed = false.obs;
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// Current song info
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final artistName = ''.obs;
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final musicName = ''.obs;
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final likesStatus = false.obs;
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final collectionsStatus = false.obs;
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// Song lists
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final songList = <Song>[].obs;
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final ids = <int>[].obs;
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final songUrls = <String>[].obs;
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final artists = <String>[].obs;
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final musicNames = <String>[].obs;
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final likes = <bool>[].obs;
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final collections = <bool>[].obs;
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StreamSubscription? _positionSubscription;
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StreamSubscription? _durationSubscription;
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StreamSubscription? _playerStateSubscription;
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void initWithSongs(List<Song> songs, int initialIndex) {
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songList.value = songs;
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currentSongIndex.value = initialIndex;
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_initializeSongLists();
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_initializePlayer();
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}
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void _initializeSongLists() {
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for (int i = 0; i < songList.length; i++) {
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ids.add(songList[i].id);
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songUrls.add(songList[i].musicurl ?? '');
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artists.add(songList[i].artist);
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musicNames.add(songList[i].title);
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likes.add(songList[i].likes ?? false);
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collections.add(songList[i].collection ?? false);
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}
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_updateCurrentSongInfo();
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}
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void _initializePlayer() {
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// Position updates
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_positionSubscription = audioPlayer.positionStream.listen((pos) {
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position.value = pos;
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});
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// Duration updates
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_durationSubscription = audioPlayer.durationStream.listen((dur) {
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duration.value = dur ?? Duration.zero;
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});
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// Player state updates
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_playerStateSubscription = audioPlayer.playerStateStream.listen((state) {
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// isPlaying.value = state.playing;
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if (state.processingState == ProcessingState.completed) {
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playNext();
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}
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});
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// Initial load
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_loadAndPlayCurrentSong();
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}
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void _updateCurrentSongInfo() {
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artistName.value = artists[currentSongIndex.value];
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musicName.value = musicNames[currentSongIndex.value];
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likesStatus.value = likes[currentSongIndex.value];
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collectionsStatus.value = collections[currentSongIndex.value];
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}
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Future<void> toggleLike() async {
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final currentIndex = currentSongIndex.value;
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likesStatus.value = !likesStatus.value;
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likes[currentIndex] = likesStatus.value;
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}
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Future<void> toggleCollection() async {
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final currentIndex = currentSongIndex.value;
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collectionsStatus.value = !collectionsStatus.value;
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collections[currentIndex] = collectionsStatus.value;
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}
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Future<void> _loadAndPlayCurrentSong() async {
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isLoading.value = true;
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position.value = Duration.zero;
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duration.value = Duration.zero;
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_updateCurrentSongInfo();
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await _checkAndUpdateSongStatus(currentSongIndex.value);
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try {
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await audioPlayer.stop();
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final localSong = downloadManager.getLocalSong(currentSongIndex.value);
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final audioSource = localSong != null
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? AudioSource.file(localSong.musicurl!)
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: AudioSource.uri(Uri.parse(songUrls[currentSongIndex.value]));
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await audioPlayer.setAudioSource(audioSource, preload: true);
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duration.value = await audioPlayer.duration ?? Duration.zero;
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await audioPlayer.play();
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} catch (e) {
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print('Error loading audio source: $e');
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} finally {
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isLoading.value = false;
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}
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}
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Future<void> _checkAndUpdateSongStatus(int index) async {
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if (songList[index].likes == null || songList[index].collection == null) {
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try {
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MusicListBean musicListBean = await GetMusic().getMusicById(
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id: ids[index],
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Authorization: appData.currentToken,
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);
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if (musicListBean.code == 200) {
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likes[index] = musicListBean.likeOrNot!;
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collections[index] = musicListBean.collectOrNot!;
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if (index == currentSongIndex.value) {
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likesStatus.value = musicListBean.likeOrNot!;
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collectionsStatus.value = musicListBean.collectOrNot!;
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}
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}
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} catch (e) {
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print('Error fetching song status: $e');
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}
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}
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}
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void playOrPause() async {
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if (audioPlayer.playing) {
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isPlaying.value = false;
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await audioPlayer.pause();
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} else {
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await audioPlayer.play();
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isPlaying.value = true;
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}
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}
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void playNext() {
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if (currentSongIndex.value < songList.length - 1) {
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currentSongIndex.value++;
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} else {
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currentSongIndex.value = 0;
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}
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_loadAndPlayCurrentSong();
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}
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void playPrevious() {
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if (currentSongIndex.value > 0) {
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currentSongIndex.value--;
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} else {
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currentSongIndex.value = songList.length - 1;
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}
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_loadAndPlayCurrentSong();
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}
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void seekTo(Duration position) async {
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await audioPlayer.seek(position);
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}
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void changeSong(int index) {
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currentSongIndex.value = index;
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_loadAndPlayCurrentSong();
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}
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@override
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void onClose() {
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isDisposed.value = true;
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_positionSubscription?.cancel();
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_durationSubscription?.cancel();
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_playerStateSubscription?.cancel();
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audioPlayer.dispose();
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super.onClose();
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}
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}
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