feat(app): 客户端展示多语言并支持筛选分页

lib/pages/recommend/recommend_page.dart

@@ -6,8 +6,11 @@ import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 
 import '../../core/data/models/drama.dart';
+import '../../core/data/remote/catalog_api.dart';
+import '../../core/data/models/playlist_detail.dart';
 import '../../core/data/services/category_controller.dart';
 import '../../core/data/services/home_feed_controller.dart';
+import '../../core/data/services/playlist_controller.dart';
 import '../../core/theme/app_colors.dart';
 import '../../core/widgets/empty_state.dart';
 import '../../l10n/app_localizations.dart';
@@ -23,6 +26,7 @@ class RecommendPage extends StatefulWidget {
   const RecommendPage({
     super.key,
     required this.feedController,
+    this.catalogApi,
     required this.active,
     required this.onSearch,
     this.videoOnly = false,
@@ -30,6 +34,7 @@ class RecommendPage extends StatefulWidget {
   });
 
   final HomeFeedController feedController;
+  final CatalogApi? catalogApi;
   final bool active;
   final VoidCallback onSearch;
 
@@ -46,6 +51,32 @@ class _RecommendPageState extends State<RecommendPage> {
   final PageController _pageController = PageController();
   int _scrubCancelRequest = 0;
 
+  @override
+  void initState() {
+    super.initState();
+    if (widget.active) _scheduleRecommendData();
+  }
+
+  @override
+  void didUpdateWidget(RecommendPage oldWidget) {
+    super.didUpdateWidget(oldWidget);
+    if (widget.active && !oldWidget.active) _scheduleRecommendData();
+  }
+
+  void _scheduleRecommendData() {
+    final feed = widget.feedController;
+    if (!feed.loaded && !feed.loadingFirstPage) {
+      unawaited(feed.refreshCurrent());
+    }
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      if (!mounted || !widget.active) return;
+      final playlists = _readPlaylists();
+      if (playlists != null && !playlists.loaded && !playlists.loading) {
+        unawaited(playlists.load());
+      }
+    });
+  }
+
   @override
   void dispose() {
     _pageController.dispose();
@@ -82,6 +113,7 @@ class _RecommendPageState extends State<RecommendPage> {
                     child: _withTopNavSpace(
                       AllDramasFilterGrid(
                         feedController: widget.feedController,
+                        catalogApi: widget.catalogApi,
                         onOpenDrama: _openDrama,
                       ),
                     ),
@@ -168,6 +200,22 @@ class _RecommendPageState extends State<RecommendPage> {
     );
   }
 
+  PlaylistController? _watchPlaylists(BuildContext context) {
+    try {
+      return context.watch<PlaylistController>();
+    } on ProviderNotFoundException {
+      return null;
+    }
+  }
+
+  PlaylistController? _readPlaylists() {
+    try {
+      return context.read<PlaylistController>();
+    } on ProviderNotFoundException {
+      return null;
+    }
+  }
+
   Widget _recommendPlaylists(CategoryController categories) {
     return DecoratedBox(
       key: const Key('recommend-playlist-surface'),
@@ -205,6 +253,8 @@ class _RecommendPageState extends State<RecommendPage> {
               categories: categories,
               onOpenDrama: _openDrama,
               onMore: _handleMore,
+              playlists: _watchPlaylists(context),
+              onOpenPlaylist: _openPlaylist,
             ),
           ),
         ],
@@ -252,6 +302,36 @@ class _RecommendPageState extends State<RecommendPage> {
     );
   }
 
+  Future<void> _openPlaylist(PlaylistDetail playlist) async {
+    final controller = _readPlaylists();
+    const pageSize = CatalogApi.playlistDramaPageSize;
+    final fresh = controller == null
+        ? playlist
+        : await controller.detail(playlist.id, pageSize: pageSize);
+    if (!mounted) return;
+    final shown = fresh.dramas.isEmpty && playlist.dramas.isNotEmpty
+        ? playlist
+        : fresh;
+    await Navigator.of(context).push<void>(
+      MaterialPageRoute<void>(
+        builder: (_) => PlaylistDetailPage(
+          title: shown.name,
+          subtitle: shown.description,
+          source: shown,
+          dramas: shown.dramas,
+          dramaCount: shown.dramaCount,
+          loadPage: controller == null
+              ? null
+              : (pageIndex) => controller.detail(
+                  playlist.id,
+                  pageIndex: pageIndex,
+                  pageSize: pageSize,
+                ),
+        ),
+      ),
+    );
+  }
+
   void _handleMore(RecommendSectionKind section) {
     final l10n = AppLocalizations.of(context)!;
     final copy = _sectionCopy(l10n, section);