feat(player): 点赞与评论改为按集

lib/core/data/services/comment_controller.dart

@@ -75,6 +75,7 @@ class CommentController extends ChangeNotifier {
     try {
       final page = await _commentRepository.page(
         dramaId: dramaId,
+        episodeId: episodeId,
         size: commentPageSize,
       );
       _comments
@@ -101,6 +102,7 @@ class CommentController extends ChangeNotifier {
     try {
       final page = await _commentRepository.page(
         dramaId: dramaId,
+        episodeId: episodeId,
         cursor: cursor,
         size: commentPageSize,
       );
@@ -128,6 +130,7 @@ class CommentController extends ChangeNotifier {
     try {
       final page = await _commentRepository.page(
         dramaId: dramaId,
+        episodeId: episodeId,
         rootId: rootId,
         size: commentPageSize,
       );
@@ -157,6 +160,7 @@ class CommentController extends ChangeNotifier {
     try {
       final page = await _commentRepository.page(
         dramaId: dramaId,
+        episodeId: episodeId,
         rootId: rootId,
         cursor: cursor,
         size: commentPageSize,

lib/core/data/services/interaction_controller.dart

@@ -17,6 +17,9 @@ class InteractionController extends ChangeNotifier {
   final Set<String> _likedDramaIds = {};
   final Set<String> _busyDramaIds = {};
   final Map<String, int> _likeCounts = {};
+  final Set<String> _likedEpisodeIds = {};
+  final Set<String> _busyEpisodeIds = {};
+  final Map<String, int> _episodeLikeCounts = {};
   bool _disposed = false;
 
   /// 当前会话内该剧是否已点赞。
@@ -28,42 +31,75 @@ class InteractionController extends ChangeNotifier {
   /// 服务端最新点赞数，仅在点赞接口成功返回后可用。
   int? likeCount(String dramaId) => _likeCounts[dramaId];
 
+  /// 当前会话内该集是否已点赞。
+  bool isEpisodeLiked(String episodeId) => _likedEpisodeIds.contains(episodeId);
+
+  /// 该集点赞请求是否进行中。
+  bool isEpisodeBusy(String episodeId) => _busyEpisodeIds.contains(episodeId);
+
+  /// 该集服务端最新点赞数。
+  int? episodeLikeCount(String episodeId) => _episodeLikeCounts[episodeId];
+
   /// 乐观切换剧集点赞，失败时回滚并以服务端返回状态校准。
-  Future<OperationResult<LikeToggleResult>> toggleDramaLike(
-    String dramaId,
-  ) async {
-    if (_busyDramaIds.contains(dramaId)) {
+  Future<OperationResult<LikeToggleResult>> toggleDramaLike(String dramaId) =>
+      _toggleLike(
+        id: dramaId,
+        targetType: InteractionTargetType.drama,
+        likedIds: _likedDramaIds,
+        busyIds: _busyDramaIds,
+        counts: _likeCounts,
+      );
+
+  /// 乐观切换分集点赞，失败时回滚并以服务端返回状态校准。
+  Future<OperationResult<LikeToggleResult>> toggleEpisodeLike(
+    String episodeId,
+  ) => _toggleLike(
+    id: episodeId,
+    targetType: InteractionTargetType.episode,
+    likedIds: _likedEpisodeIds,
+    busyIds: _busyEpisodeIds,
+    counts: _episodeLikeCounts,
+  );
+
+  Future<OperationResult<LikeToggleResult>> _toggleLike({
+    required String id,
+    required InteractionTargetType targetType,
+    required Set<String> likedIds,
+    required Set<String> busyIds,
+    required Map<String, int> counts,
+  }) async {
+    if (busyIds.contains(id)) {
       return const OperationResult.failure(null);
     }
-    final wasLiked = _likedDramaIds.contains(dramaId);
-    _busyDramaIds.add(dramaId);
+    final wasLiked = likedIds.contains(id);
+    busyIds.add(id);
     if (wasLiked) {
-      _likedDramaIds.remove(dramaId);
+      likedIds.remove(id);
     } else {
-      _likedDramaIds.add(dramaId);
+      likedIds.add(id);
     }
     _notify();
     try {
       final result = await _repository.toggleLike(
-        targetType: InteractionTargetType.drama,
-        targetId: dramaId,
+        targetType: targetType,
+        targetId: id,
       );
       if (result.liked) {
-        _likedDramaIds.add(dramaId);
+        likedIds.add(id);
       } else {
-        _likedDramaIds.remove(dramaId);
+        likedIds.remove(id);
       }
-      _likeCounts[dramaId] = result.count;
+      counts[id] = result.count;
       return OperationResult.success(result);
     } catch (failure) {
       if (wasLiked) {
-        _likedDramaIds.add(dramaId);
+        likedIds.add(id);
       } else {
-        _likedDramaIds.remove(dramaId);
+        likedIds.remove(id);
       }
       return OperationResult.failure(_errorMessage(failure));
     } finally {
-      _busyDramaIds.remove(dramaId);
+      busyIds.remove(id);
       _notify();
     }
   }
@@ -93,12 +129,18 @@ class InteractionController extends ChangeNotifier {
   void clear() {
     if (_likedDramaIds.isEmpty &&
         _busyDramaIds.isEmpty &&
-        _likeCounts.isEmpty) {
+        _likeCounts.isEmpty &&
+        _likedEpisodeIds.isEmpty &&
+        _busyEpisodeIds.isEmpty &&
+        _episodeLikeCounts.isEmpty) {
       return;
     }
     _likedDramaIds.clear();
     _busyDramaIds.clear();
     _likeCounts.clear();
+    _likedEpisodeIds.clear();
+    _busyEpisodeIds.clear();
+    _episodeLikeCounts.clear();
     _notify();
   }