引入播放列表库，同时引入全新的播放控制器，以控制读库与播放模式的动作，但是功能仍在完善，需要确认部分边界问题

2026-08-27 22:29:20 +08:00
parent ad6617592e
commit e58be9c17f
6 changed files with 677 additions and 126 deletions
@@ -0,0 +1,69 @@
+// lib/models/playlist.dart
+import 'package:qingting_player/services/audio_service.dart';
+
+class Playlist {
+  final String id;
+  final String name;
+  final PlayMode playMode;
+  final DateTime createdAt;
+  final DateTime updatedAt;
+
+  Playlist({
+    required this.id,
+    required this.name,
+    this.playMode = PlayMode.sequential,
+    DateTime? createdAt,
+    DateTime? updatedAt,
+  })  : createdAt = createdAt ?? DateTime.now(),
+        updatedAt = updatedAt ?? DateTime.now();
+
+  Map<String, dynamic> toJson() => {
+        'id': id,
+        'name': name,
+        'play_mode': Playlist.playModeToString(playMode), // ⭐ 改用公开静态方法
+        'created_at': createdAt.millisecondsSinceEpoch,
+        'updated_at': updatedAt.millisecondsSinceEpoch,
+      };
+
+  factory Playlist.fromJson(Map<String, dynamic> json) => Playlist(
+        id: json['id'] as String,
+        name: json['name'] as String,
+        playMode: Playlist.stringToPlayMode(
+            json['play_mode'] as String? ?? 'sequential'),
+        createdAt:
+            DateTime.fromMillisecondsSinceEpoch(json['created_at'] as int),
+        updatedAt:
+            DateTime.fromMillisecondsSinceEpoch(json['updated_at'] as int),
+      );
+
+  Playlist copyWith({String? name, PlayMode? playMode}) => Playlist(
+        id: id,
+        name: name ?? this.name,
+        playMode: playMode ?? this.playMode,
+        createdAt: createdAt,
+        updatedAt: DateTime.now(),
+      );
+
+  // ⭐ 改为公开静态方法
+  static String playModeToString(PlayMode mode) {
+    switch (mode) {
+      case PlayMode.sequential:
+        return 'sequential';
+      case PlayMode.repeatOne:
+        return 'repeat_one';
+      case PlayMode.shuffle:
+        return 'shuffle';
+    }
+  }
+
+  static PlayMode stringToPlayMode(String value) {
+    switch (value) {
+      case 'repeat_one':
+        return PlayMode.repeatOne;
+      case 'shuffle':
+        return PlayMode.shuffle;
+      default:
+        return PlayMode.sequential;
+    }
+  }
+}