fix(player): 收藏与评论数实时刷新

lib/core/data/remote/comment_api.dart

@@ -1,6 +1,7 @@
 // Author: fruit.com.cn
 
 import '../models/comment.dart';
+import '../models/json_numbers.dart';
 import 'api_client.dart';
 
 /// 评论接口，对应契约 §1.7 的 `/app/comments*`。
@@ -29,6 +30,15 @@ class CommentApi {
     return CommentPage.fromJson(data);
   }
 
+  /// 查询单部剧的有效评论总数；后端 Long 兼容数字与字符串。
+  Future<int> count(String dramaId) async {
+    final data = await _client.get(
+      '/app/comments/count',
+      query: {'dramaId': dramaId},
+    );
+    return jsonToInt(data);
+  }
+
   /// 发表评论或回复；回复只提交 `parentId`，不自行拼层级。
   Future<DramaComment> publish({
     required String dramaId,

lib/core/data/repositories/comment_repository.dart

@@ -13,6 +13,9 @@ abstract interface class CommentRepository {
     int size = commentPageSize,
   });
 
+  /// 查询单部剧的有效评论总数。
+  Future<int> count(String dramaId);
+
   /// 发表评论或回复。
   Future<DramaComment> publish({
     required String dramaId,
@@ -44,6 +47,9 @@ class HttpCommentRepository implements CommentRepository {
     size: size,
   );
 
+  @override
+  Future<int> count(String dramaId) => _api.count(dramaId);
+
   @override
   Future<DramaComment> publish({
     required String dramaId,

lib/pages/drama_detail/drama_detail_logic.dart

@@ -35,6 +35,7 @@ class DramaDetailLogic extends ChangeNotifier {
   int? continueIndex;
   WatchProgress? progress;
   String? progressError;
+  int _favoriteCountDelta = 0;
   bool _disposed = false;
 
   void notify() {
@@ -118,8 +119,26 @@ class DramaDetailLogic extends ChangeNotifier {
     await loadContinue();
   }
 
-  /// 收藏切换：乐观更新失败时会回滚，由调用方给出提示。
-  Future<bool> toggleFavorite() => favorites.toggle(drama.id, card: drama);
+  /// 详情页展示用的收藏数；没有服务端计数时继续保持缺省展示。
+  int? get adjustedFavoriteCount {
+    final base = drama.favoriteCount;
+    if (base == null) return null;
+    final adjusted = base + _favoriteCountDelta;
+    return adjusted < 0 ? 0 : adjusted;
+  }
+
+  /// 收藏切换：乐观状态由控制器负责回滚，这里只在成功后同步计数。
+  Future<bool> toggleFavorite() async {
+    final wasSaved = favorites.isSaved(drama.id);
+    final ok = await favorites.toggle(drama.id, card: drama);
+    if (!ok) return false;
+    final nowSaved = favorites.isSaved(drama.id);
+    if (nowSaved != wasSaved) {
+      _favoriteCountDelta += nowSaved ? 1 : -1;
+      notify();
+    }
+    return true;
+  }
 
   @override
   void dispose() {

lib/pages/drama_detail/drama_detail_view.dart

@@ -142,7 +142,11 @@ class _DramaDetailPageState extends State<DramaDetailPage> {
             ),
           ),
           SliverToBoxAdapter(
-            child: DramaStatsCard(l10n: l10n, drama: drama),
+            child: DramaStatsCard(
+              l10n: l10n,
+              drama: drama,
+              favoriteCount: logic.adjustedFavoriteCount,
+            ),
           ),
           SliverToBoxAdapter(
             child: DramaSynopsisSection(

lib/pages/drama_detail/widgets/drama_detail_sections.dart

@@ -29,16 +29,23 @@ const TextStyle _synopsisStyle = TextStyle(
 
 /// 详情页三项数据卡：热度、收藏与点赞，缺失值不做伪造。
 class DramaStatsCard extends StatelessWidget {
-  const DramaStatsCard({super.key, required this.l10n, required this.drama});
+  const DramaStatsCard({
+    super.key,
+    required this.l10n,
+    required this.drama,
+    this.favoriteCount,
+  });
 
   final AppLocalizations l10n;
   final Drama drama;
+  final int? favoriteCount;
 
   @override
   Widget build(BuildContext context) {
-    final favorite = drama.favoriteCount == null
+    final currentFavoriteCount = favoriteCount ?? drama.favoriteCount;
+    final favorite = currentFavoriteCount == null
         ? l10n.episodeCountLabel(drama.episodeCount)
-        : '${formatInteractionCount(drama.favoriteCount!)} ${l10n.favorite}';
+        : '${formatInteractionCount(currentFavoriteCount)} ${l10n.favorite}';
     final like = drama.likeCount == null
         ? '—'
         : '${formatInteractionCount(drama.likeCount!)} ${l10n.like}';

lib/pages/player/player_view.dart

@@ -7,6 +7,7 @@ import 'package:flutter/services.dart';
 import 'package:provider/provider.dart';
 
 import '../../core/data/models/drama.dart';
+import '../../core/data/repositories/comment_repository.dart';
 import '../../core/data/services/favorite_controller.dart';
 import '../../core/data/services/download_controller.dart';
 import '../../core/data/services/interaction_controller.dart';
@@ -99,6 +100,7 @@ class _PlayerPageState extends State<PlayerPage>
 
   /// 收藏切换后的本地增量：基准是详情快照，切换成功按服务端状态 ±1。
   final Map<String, int> _favoriteDelta = {};
+  final Map<String, int> _commentCounts = {};
 
   @override
   void initState() {
@@ -203,6 +205,18 @@ class _PlayerPageState extends State<PlayerPage>
     });
   }
 
+  Future<void> _openComments(BuildContext context, Drama drama) async {
+    final comments = context.read<CommentRepository>();
+    await openCommentsWithAuth(context, drama, show: logic.showComments);
+    try {
+      final count = await comments.count(drama.id);
+      if (!mounted) return;
+      setState(() => _commentCounts[drama.id] = count);
+    } catch (_) {
+      // 评论面板已经关闭，计数刷新失败时保留旧值即可。
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     return ListenableBuilder(
@@ -446,7 +460,7 @@ class _PlayerPageState extends State<PlayerPage>
             favoriteCount: drama.favoriteCount == null
                 ? null
                 : drama.favoriteCount! + (_favoriteDelta[drama.id] ?? 0),
-            commentCount: drama.commentCount,
+            commentCount: _commentCounts[drama.id] ?? drama.commentCount,
             saved: context.watch<FavoriteController>().isSaved(drama.id),
             onLike: () async {
               if (await ensureSignedIn(context)) {
@@ -465,21 +479,8 @@ class _PlayerPageState extends State<PlayerPage>
                 }
               }
             },
-            onSave: () async {
-              final favorites = context.read<FavoriteController>();
-              if (await ensureSignedIn(context)) {
-                if (!context.mounted) return;
-                unawaited(context.read<Haptics>().lightImpact());
-                final ok = await favorites.toggle(drama.id, card: drama);
-                if (ok || !context.mounted) return;
-                ScaffoldMessenger.of(context).showSnackBar(
-                  SnackBar(content: Text(l10n.favoriteToggleFailed)),
-                );
-              }
-            },
-            onComments: () => unawaited(
-              openCommentsWithAuth(context, drama, show: logic.showComments),
-            ),
+            onSave: () => unawaited(_toggleSave(context, drama)),
+            onComments: () => unawaited(_openComments(context, drama)),
             onShare: () => logic.shareDrama(context, drama),
             onDetail: () => unawaited(logic.openDetail(context)),
             onOpenFullPlayer: () async {
@@ -502,7 +503,7 @@ class _PlayerPageState extends State<PlayerPage>
               controller: ready ? videoPort!.controller : null,
               liked: interactions.isLiked(drama.id),
               likeCount: interactions.likeCount(drama.id) ?? drama.likeCount,
-              commentCount: drama.commentCount,
+              commentCount: _commentCounts[drama.id] ?? drama.commentCount,
               favoriteCount: drama.favoriteCount == null
                   ? null
                   : drama.favoriteCount! + (_favoriteDelta[drama.id] ?? 0),
@@ -523,9 +524,7 @@ class _PlayerPageState extends State<PlayerPage>
               onDetail: () => unawaited(logic.openDetail(context)),
               onSpeed: () => unawaited(_openSpeedSheet(context)),
               onEpisodes: () => logic.showEpisodes(context),
-              onComments: () => unawaited(
-                openCommentsWithAuth(context, drama, show: logic.showComments),
-              ),
+              onComments: () => unawaited(_openComments(context, drama)),
               onLike: () =>
                   unawaited(_toggleLike(context, interactions, drama)),
               onSave: () => unawaited(_toggleSave(context, drama)),