feat(recommend): 剧单更多进入两列详情页

lib/pages/recommend/widgets/recommend_sections_view.dart

@@ -14,6 +14,7 @@ import '../../home/widgets/home_drama_classification.dart';
 import 'recommend_section_card.dart';
 
 const List<String> _costumeNames = ['古装', 'costume', 'kostum'];
+const int _sectionPreviewCount = 10;
 
 enum RecommendSectionKind { hits, newReleases, costume }
 
@@ -35,17 +36,14 @@ class RecommendSectionsView extends StatelessWidget {
   Widget build(BuildContext context) {
     final l10n = AppLocalizations.of(context)!;
     final source = feedController.dramas;
-    final hits = [...source]
-      ..sort((a, b) => b.viewCount.compareTo(a.viewCount));
-    final newest = [...source]
-      ..sort((a, b) {
-        final left = publishedAtForDrama(a);
-        final right = publishedAtForDrama(b);
-        if (left == null && right == null) return b.id.compareTo(a.id);
-        if (left == null) return 1;
-        if (right == null) return -1;
-        return right.compareTo(left);
-      });
+    final hits = recommendSectionDramas(
+      kind: RecommendSectionKind.hits,
+      source: source,
+    );
+    final newest = recommendSectionDramas(
+      kind: RecommendSectionKind.newReleases,
+      source: source,
+    );
     return AppPullToRefresh(
       key: const Key('recommend-sections-refresh'),
       onRefresh: () async {
@@ -62,7 +60,7 @@ class RecommendSectionsView extends StatelessWidget {
             key: 'hits',
             title: l10n.weeklyHitsTitle,
             subtitle: l10n.weeklyHitsSubtitle,
-            dramas: hits.take(10).toList(),
+            dramas: hits.take(_sectionPreviewCount).toList(),
             onMore: () => onMore(RecommendSectionKind.hits),
           ),
           const SizedBox(height: AppDimens.spaceXl),
@@ -72,7 +70,7 @@ class RecommendSectionsView extends StatelessWidget {
             key: 'new',
             title: l10n.weeklyNewTitle,
             subtitle: l10n.weeklyNewSubtitle,
-            dramas: newest.take(10).toList(),
+            dramas: newest.take(_sectionPreviewCount).toList(),
             onMore: () => onMore(RecommendSectionKind.newReleases),
           ),
           const SizedBox(height: AppDimens.spaceXl),
@@ -82,7 +80,11 @@ class RecommendSectionsView extends StatelessWidget {
             key: 'costume',
             title: l10n.costumeAwardsTitle,
             subtitle: l10n.costumeAwardsSubtitle,
-            dramas: _costumeDramas(source),
+            dramas: recommendSectionDramas(
+              kind: RecommendSectionKind.costume,
+              source: source,
+              categories: categories,
+            ).take(_sectionPreviewCount).toList(),
             onMore: () => onMore(RecommendSectionKind.costume),
           ),
         ],
@@ -90,33 +92,6 @@ class RecommendSectionsView extends StatelessWidget {
     );
   }
 
-  List<Drama> _costumeDramas(List<Drama> source) {
-    final category = _costumeCategory();
-    if (category != null) {
-      final fromCategory = categories.dramasOf(category.id);
-      if (fromCategory.isNotEmpty) return fromCategory.take(10).toList();
-    }
-    return source
-        .where(
-          (drama) =>
-              _containsCostume(drama.category) || _containsCostume(drama.genre),
-        )
-        .take(10)
-        .toList();
-  }
-
-  ContentCategory? _costumeCategory() {
-    for (final category in categories.categories) {
-      if (_containsCostume(category.name)) return category;
-    }
-    return null;
-  }
-
-  bool _containsCostume(String value) {
-    final normalized = value.toLowerCase();
-    return _costumeNames.any(normalized.contains);
-  }
-
   Widget _section(
     BuildContext context,
     AppLocalizations l10n, {
@@ -208,3 +183,54 @@ class RecommendSectionsView extends StatelessWidget {
     );
   }
 }
+
+/// 剧单分区的完整片单，横滑预览和更多页共用同一排序。
+List<Drama> recommendSectionDramas({
+  required RecommendSectionKind kind,
+  required List<Drama> source,
+  CategoryController? categories,
+}) {
+  switch (kind) {
+    case RecommendSectionKind.hits:
+      return [...source]..sort((a, b) => b.viewCount.compareTo(a.viewCount));
+    case RecommendSectionKind.newReleases:
+      return [...source]..sort(_newestFirst);
+    case RecommendSectionKind.costume:
+      return _costumeDramas(source, categories);
+  }
+}
+
+int _newestFirst(Drama leftDrama, Drama rightDrama) {
+  final left = publishedAtForDrama(leftDrama);
+  final right = publishedAtForDrama(rightDrama);
+  if (left == null && right == null) return rightDrama.id.compareTo(leftDrama.id);
+  if (left == null) return 1;
+  if (right == null) return -1;
+  return right.compareTo(left);
+}
+
+List<Drama> _costumeDramas(List<Drama> source, CategoryController? categories) {
+  final category = _costumeCategory(categories);
+  if (category != null) {
+    final fromCategory = categories!.dramasOf(category.id);
+    if (fromCategory.isNotEmpty) return fromCategory;
+  }
+  return source.where(_isCostumeDrama).toList(growable: false);
+}
+
+ContentCategory? _costumeCategory(CategoryController? categories) {
+  if (categories == null) return null;
+  for (final category in categories.categories) {
+    if (_containsCostume(category.name)) return category;
+  }
+  return null;
+}
+
+bool _isCostumeDrama(Drama drama) {
+  return _containsCostume(drama.category) || _containsCostume(drama.genre);
+}
+
+bool _containsCostume(String value) {
+  final normalized = value.toLowerCase();
+  return _costumeNames.any(normalized.contains);
+}