style(app): 格式化并拆分长函数

lib/app.dart

@@ -146,7 +146,8 @@ class _LumaDramaAppState extends State<LumaDramaApp> {
   );
 
   late final CommerceRepository _commerceRepository =
-      widget.commerceRepository ?? HttpCommerceRepository(CommerceApi(_apiClient));
+      widget.commerceRepository ??
+      HttpCommerceRepository(CommerceApi(_apiClient));
 
   late final WalletController _walletController = WalletController(
     _commerceRepository,

lib/core/data/models/order.dart

@@ -1,4 +1,4 @@
-// Author: fruit.com.cn
+// Author: fruit.com.cn
 
 import 'json_numbers.dart';
 

lib/core/data/models/product.dart

@@ -1,4 +1,4 @@
-// Author: fruit.com.cn
+// Author: fruit.com.cn
 
 import 'json_numbers.dart';
 

lib/core/data/models/search_result.dart

@@ -1,4 +1,4 @@
-// Author: fruit.com.cn
+// Author: fruit.com.cn
 
 import 'drama.dart';
 import 'json_numbers.dart';

lib/core/data/remote/commerce_api.dart

@@ -1,4 +1,4 @@
-// Author: fruit.com.cn
+// Author: fruit.com.cn
 
 import '../models/order.dart';
 import '../models/product.dart';

lib/core/data/repositories/playback_repository.dart

@@ -59,7 +59,8 @@ class _CachedTicket {
   final PlayTicket ticket;
   final DateTime fetchedAt;
 
-  bool isExpired(DateTime now, Duration ttl) => now.difference(fetchedAt) >= ttl;
+  bool isExpired(DateTime now, Duration ttl) =>
+      now.difference(fetchedAt) >= ttl;
 }
 
 /// 测试与离线场景用：按集返回固定票据，并记录被请求过几次。

lib/core/data/repositories/search_repository.dart

@@ -1,4 +1,4 @@
-// Author: fruit.com.cn
+// Author: fruit.com.cn
 
 import '../models/search_result.dart';
 import '../remote/catalog_api.dart';

lib/core/data/repositories/store_repository.dart

@@ -1,4 +1,4 @@
-// Author: fruit.com.cn
+// Author: fruit.com.cn
 
 import '../models/order.dart';
 import '../models/product.dart';

lib/core/data/services/store_controller.dart

@@ -1,4 +1,4 @@
-// Author: fruit.com.cn
+// Author: fruit.com.cn
 
 import 'package:flutter/foundation.dart';
 

lib/pages/discover/discover_binding.dart

@@ -1,4 +1,4 @@
-// Author: fruit.com.cn
+// Author: fruit.com.cn
 
 import '../../core/data/models/drama.dart';
 import '../../core/data/repositories/search_repository.dart';
@@ -10,9 +10,5 @@ class DiscoverBinding {
     required Drama drama,
     required WatchHistoryRepository history,
     SearchRepository? search,
-  }) => DiscoverLogic(
-    drama: drama,
-    history: history,
-    searchRepository: search,
-  );
+  }) => DiscoverLogic(drama: drama, history: history, searchRepository: search);
 }

lib/pages/discover/discover_logic.dart

@@ -134,7 +134,8 @@ class DiscoverLogic extends ChangeNotifier {
 
   void _scheduleSearch(String query) {
     final alreadyRequested = query == _lastRequestedQuery;
-    if (alreadyRequested && (searchLoading || searchResults.isNotEmpty || searchError != null)) {
+    if (alreadyRequested &&
+        (searchLoading || searchResults.isNotEmpty || searchError != null)) {
       return;
     }
     _lastRequestedQuery = query;

lib/pages/discover/discover_view.dart

@@ -181,7 +181,8 @@ class _DiscoverPageState extends State<DiscoverPage> {
             padding: const EdgeInsets.fromLTRB(0, 0, 0, 12),
             child: _languages(l10n, allDramas),
           ),
-        ),        if (logic.resumeRecord != null && logic.resumeDrama(allDramas) != null)
+        ),
+        if (logic.resumeRecord != null && logic.resumeDrama(allDramas) != null)
           SliverToBoxAdapter(
             child: Padding(
               padding: const EdgeInsets.fromLTRB(16, 0, 16, 14),
@@ -495,6 +496,7 @@ class _DiscoverPageState extends State<DiscoverPage> {
     if (code == 'en') return l10n.languageEnglish;
     return code;
   }
+
   Widget _continueCard(
     AppLocalizations l10n,
     Drama drama,

lib/pages/discover/widgets/home_drama_grid.dart

@@ -25,24 +25,40 @@ class _HomeDramaGrid extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    final loading = _loadingState();
+    if (loading != null) return loading;
+    final search = _searchState();
+    if (search != null) return search;
+    if (dramas.isEmpty) return _emptyState();
+    return SliverMainAxisGroup(
+      slivers: [
+        SliverToBoxAdapter(child: _masonry(dramas)),
+        const SliverToBoxAdapter(child: SizedBox(height: 24)),
+      ],
+    );
+  }
+
+  Widget? _loadingState() {
     if (categories.loading && categories.feed.sections.isEmpty) {
       return const SliverFillRemaining(
         hasScrollBody: false,
         child: Center(child: CircularProgressIndicator(strokeWidth: 2)),
       );
     }
-    if (categories.error != null) {
-      return _fill(
-        EmptyState(
-          key: const Key('home-categories-error'),
-          icon: Icons.cloud_off_rounded,
-          title: l10n.categoriesError,
-          subtitle: l10n.emptyHint,
-          actionLabel: l10n.retry,
-          onAction: categories.load,
-        ),
-      );
-    }
+    if (categories.error == null) return null;
+    return _fill(
+      EmptyState(
+        key: const Key('home-categories-error'),
+        icon: Icons.cloud_off_rounded,
+        title: l10n.categoriesError,
+        subtitle: l10n.emptyHint,
+        actionLabel: l10n.retry,
+        onAction: categories.load,
+      ),
+    );
+  }
+
+  Widget? _searchState() {
     if (searching && searchLoading) {
       return const SliverFillRemaining(
         hasScrollBody: false,
@@ -54,39 +70,33 @@ class _HomeDramaGrid extends StatelessWidget {
         ),
       );
     }
-    if (searching && searchError != null) {
-      return _fill(
-        EmptyState(
-          key: const Key('discover-search-error'),
-          icon: Icons.cloud_off_rounded,
-          title: errorText(l10n, searchError, l10n.searchFailed),
-          actionLabel: l10n.retry,
-          actionKey: const Key('discover-search-retry'),
-          onAction: onRetrySearch,
-        ),
-      );
-    }
-    if (dramas.isEmpty) {
-      return _fill(
-        EmptyState(
-          key: const Key('home-all-dramas-empty'),
-          icon: searching
-              ? Icons.search_off_rounded
-              : Icons.movie_filter_outlined,
-          title: searching
-              ? l10n.noSearchResults
-              : categories.selectedSectionMissing
-              ? l10n.noCategoryDramas
-              : l10n.noSearchResults,
-          subtitle: l10n.emptyHint,
-        ),
-      );
-    }
-    return SliverMainAxisGroup(
-      slivers: [
-        SliverToBoxAdapter(child: _masonry(dramas)),
-        const SliverToBoxAdapter(child: SizedBox(height: 24)),
-      ],
+    if (!searching || searchError == null) return null;
+    return _fill(
+      EmptyState(
+        key: const Key('discover-search-error'),
+        icon: Icons.cloud_off_rounded,
+        title: errorText(l10n, searchError, l10n.searchFailed),
+        actionLabel: l10n.retry,
+        actionKey: const Key('discover-search-retry'),
+        onAction: onRetrySearch,
+      ),
+    );
+  }
+
+  Widget _emptyState() {
+    return _fill(
+      EmptyState(
+        key: const Key('home-all-dramas-empty'),
+        icon: searching
+            ? Icons.search_off_rounded
+            : Icons.movie_filter_outlined,
+        title: searching
+            ? l10n.noSearchResults
+            : categories.selectedSectionMissing
+            ? l10n.noCategoryDramas
+            : l10n.noSearchResults,
+        subtitle: l10n.emptyHint,
+      ),
     );
   }
 

lib/pages/player/player_logic.dart

@@ -283,10 +283,7 @@ class PlayerLogic extends ChangeNotifier {
       }
       final ready = await ensureTicket(index, forceRefresh: true);
       if (ready) {
-        await session.select(
-          index,
-          preloadIndex: nextVisibleIndex(index),
-        );
+        await session.select(index, preloadIndex: nextVisibleIndex(index));
       }
       return ready;
     } finally {

lib/pages/player/player_view.dart

@@ -991,7 +991,8 @@ class _PlaybackOverlayState extends State<_PlaybackOverlay> {
                   Navigator.pop(sheetContext);
                   widget.onQualityTap();
                 },
-              ),            ListTile(
+              ),
+            ListTile(
               key: const Key('player-more-download'),
               leading: const Icon(
                 Icons.download_outlined,

lib/pages/player/widgets/quality_sheet.dart

@@ -1,4 +1,4 @@
-// Author: fruit.com.cn
+// Author: fruit.com.cn
 
 import 'package:flutter/material.dart';
 
@@ -26,54 +26,60 @@ class QualitySheet extends StatelessWidget {
         key: const Key('player-quality-sheet'),
         mainAxisSize: MainAxisSize.min,
         children: [
-          Padding(
-            padding: const EdgeInsets.fromLTRB(20, 2, 20, 8),
-            child: Align(
-              alignment: Alignment.centerLeft,
-              child: Text(
-                l10n.playbackQuality,
-                style: const TextStyle(
-                  color: AppColors.onSurface,
-                  fontSize: 14,
-                  fontWeight: FontWeight.w700,
-                ),
-              ),
-            ),
-          ),
-          for (final quality in qualities)
-            ListTile(
-              key: Key('player-quality-$quality'),
-              dense: true,
-              title: Text(
-                _label(l10n, quality),
-                style: TextStyle(
-                  color: quality == selected ? AppColors.blue : AppColors.cream,
-                  fontSize: 13,
-                  fontWeight: quality == selected
-                      ? FontWeight.w700
-                      : FontWeight.w500,
-                ),
-              ),
-              trailing: quality == selected
-                  ? const Icon(
-                      Icons.check_rounded,
-                      color: AppColors.blue,
-                      size: 18,
-                    )
-                  : null,
-            ),
-          Padding(
-            padding: const EdgeInsets.fromLTRB(20, 6, 20, 14),
-            child: Text(
-              l10n.qualityAutoHint,
-              style: const TextStyle(color: AppColors.muted, fontSize: 11),
-            ),
-          ),
+          _header(l10n),
+          for (final quality in qualities) _qualityTile(l10n, quality),
+          _hint(l10n),
         ],
       ),
     );
   }
 
+  Widget _header(AppLocalizations l10n) {
+    return Padding(
+      padding: const EdgeInsets.fromLTRB(20, 2, 20, 8),
+      child: Align(
+        alignment: Alignment.centerLeft,
+        child: Text(
+          l10n.playbackQuality,
+          style: const TextStyle(
+            color: AppColors.onSurface,
+            fontSize: 14,
+            fontWeight: FontWeight.w700,
+          ),
+        ),
+      ),
+    );
+  }
+
+  Widget _qualityTile(AppLocalizations l10n, String quality) {
+    final active = quality == selected;
+    return ListTile(
+      key: Key('player-quality-$quality'),
+      dense: true,
+      title: Text(
+        _label(l10n, quality),
+        style: TextStyle(
+          color: active ? AppColors.blue : AppColors.cream,
+          fontSize: 13,
+          fontWeight: active ? FontWeight.w700 : FontWeight.w500,
+        ),
+      ),
+      trailing: active
+          ? const Icon(Icons.check_rounded, color: AppColors.blue, size: 18)
+          : null,
+    );
+  }
+
+  Widget _hint(AppLocalizations l10n) {
+    return Padding(
+      padding: const EdgeInsets.fromLTRB(20, 6, 20, 14),
+      child: Text(
+        l10n.qualityAutoHint,
+        style: const TextStyle(color: AppColors.muted, fontSize: 11),
+      ),
+    );
+  }
+
   String _label(AppLocalizations l10n, String quality) =>
       quality == autoQuality ? l10n.qualityAuto : quality;
 }

lib/pages/store/recharge_page.dart

@@ -1,4 +1,4 @@
-// Author: fruit.com.cn
+// Author: fruit.com.cn
 
 import 'package:flutter/material.dart';
 

lib/pages/store/store_page.dart

@@ -1,4 +1,4 @@
-// Author: fruit.com.cn
+// Author: fruit.com.cn
 
 import 'dart:async';
 
@@ -122,7 +122,9 @@ class _StorePageState extends State<StorePage> {
         controller.purchaseError,
         l10n.orderCreateFailed,
       );
-      ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(message)));
+      ScaffoldMessenger.of(
+        context,
+      ).showSnackBar(SnackBar(content: Text(message)));
       return;
     }
     widget.onPurchased?.call();
@@ -162,80 +164,85 @@ class _ProductTile extends StatelessWidget {
         children: [
           _ProductBadge(vip: product.isVip),
           const SizedBox(width: 12),
-          Expanded(
-            child: Column(
-              crossAxisAlignment: CrossAxisAlignment.start,
-              children: [
-                Text(
-                  product.name,
-                  key: Key('store-product-name-${product.id}'),
-                  maxLines: 1,
-                  overflow: TextOverflow.ellipsis,
-                  style: const TextStyle(
-                    color: AppColors.onSurface,
-                    fontSize: 14,
-                    fontWeight: FontWeight.w800,
-                  ),
-                ),
-                const SizedBox(height: 4),
-                Text(
-                  _detail(l10n),
-                  style: const TextStyle(
-                    color: AppColors.muted,
-                    fontSize: 11,
-                  ),
-                ),
-              ],
-            ),
-          ),
+          Expanded(child: _info(l10n)),
           const SizedBox(width: 10),
-          Column(
-            crossAxisAlignment: CrossAxisAlignment.end,
-            children: [
-              Text(
-                product.displayPrice,
-                key: Key('store-product-price-${product.id}'),
-                style: const TextStyle(
-                  color: AppColors.gold,
-                  fontSize: 13,
-                  fontWeight: FontWeight.w800,
-                ),
-              ),
-              const SizedBox(height: 8),
-              SizedBox(
-                width: 88,
-                height: 32,
-                child: FilledButton(
-                  key: Key('store-buy-${product.id}'),
-                  onPressed: purchasing ? null : onBuy,
-                  style: FilledButton.styleFrom(
-                    backgroundColor: AppColors.blue,
-                    foregroundColor: AppColors.onPrimary,
-                    padding: EdgeInsets.zero,
-                    textStyle: const TextStyle(
-                      fontSize: 11,
-                      fontWeight: FontWeight.w700,
-                    ),
-                  ),
-                  child: purchasing
-                      ? const SizedBox(
-                          width: 14,
-                          height: 14,
-                          child: CircularProgressIndicator(
-                            strokeWidth: 2,
-                            color: AppColors.onPrimary,
-                          ),
-                        )
-                      : Text(l10n.buy),
-                ),
-              ),
-            ],
-          ),
+          _price(l10n),
         ],
       ),
     );
   }
 
+  Widget _info(AppLocalizations l10n) {
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        Text(
+          product.name,
+          key: Key('store-product-name-${product.id}'),
+          maxLines: 1,
+          overflow: TextOverflow.ellipsis,
+          style: const TextStyle(
+            color: AppColors.onSurface,
+            fontSize: 14,
+            fontWeight: FontWeight.w800,
+          ),
+        ),
+        const SizedBox(height: 4),
+        Text(
+          _detail(l10n),
+          style: const TextStyle(color: AppColors.muted, fontSize: 11),
+        ),
+      ],
+    );
+  }
+
+  Widget _price(AppLocalizations l10n) {
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.end,
+      children: [
+        Text(
+          product.displayPrice,
+          key: Key('store-product-price-${product.id}'),
+          style: const TextStyle(
+            color: AppColors.gold,
+            fontSize: 13,
+            fontWeight: FontWeight.w800,
+          ),
+        ),
+        const SizedBox(height: 8),
+        SizedBox(
+          width: 88,
+          height: 32,
+          child: FilledButton(
+            key: Key('store-buy-${product.id}'),
+            onPressed: purchasing ? null : onBuy,
+            style: FilledButton.styleFrom(
+              backgroundColor: AppColors.blue,
+              foregroundColor: AppColors.onPrimary,
+              padding: EdgeInsets.zero,
+              textStyle: const TextStyle(
+                fontSize: 11,
+                fontWeight: FontWeight.w700,
+              ),
+            ),
+            child: purchasing ? _buyProgress() : Text(l10n.buy),
+          ),
+        ),
+      ],
+    );
+  }
+
+  Widget _buyProgress() {
+    return const SizedBox(
+      width: 14,
+      height: 14,
+      child: CircularProgressIndicator(
+        strokeWidth: 2,
+        color: AppColors.onPrimary,
+      ),
+    );
+  }
+
   String _detail(AppLocalizations l10n) {
     if (product.isVip) return l10n.vipDuration(product.vipDays);
     final base = l10n.walletBalanceShort(product.coinAmount);

lib/pages/store/vip_page.dart

@@ -1,4 +1,4 @@
-// Author: fruit.com.cn
+// Author: fruit.com.cn
 
 import 'package:flutter/material.dart';
 

lib/pages/wallet/wallet_page.dart

@@ -90,9 +90,8 @@ class _WalletPageState extends State<WalletPage> {
   void _openRecharge(WalletController wallet) {
     Navigator.of(context).push(
       MaterialPageRoute<void>(
-        builder: (_) => RechargePage(
-          onPurchased: () => unawaited(wallet.load()),
-        ),
+        builder: (_) =>
+            RechargePage(onPurchased: () => unawaited(wallet.load())),
       ),
     );
   }
@@ -320,7 +319,9 @@ class _LedgerTile extends StatelessWidget {
   Widget build(BuildContext context) {
     final positive = entry.changeAmount >= 0;
     final color = positive ? AppColors.success : AppColors.accent;
-    final amount = positive ? '+${entry.changeAmount}' : '${entry.changeAmount}';
+    final amount = positive
+        ? '+${entry.changeAmount}'
+        : '${entry.changeAmount}';
     return Container(
       padding: const EdgeInsets.all(12),
       decoration: BoxDecoration(