feat(app): 完成 P0 钱包解锁、下载落盘与手机号登录

lib/pages/player/player_logic.dart

@@ -14,10 +14,12 @@ import '../../core/data/repositories/playback_repository.dart';
 import '../../core/data/repositories/watch_history_repository.dart';
 import '../../core/data/services/android_picture_in_picture.dart';
 import '../../core/data/services/catalog_controller.dart';
+import '../../core/data/services/download_controller.dart';
 import '../../core/data/services/platform_share_service.dart';
 import '../../core/data/services/playback_queue.dart';
 import '../../core/data/services/playback_session.dart';
 import '../../core/data/services/video_player_port.dart';
+import '../../core/data/services/wallet_controller.dart';
 import '../../core/formatting/localized_content.dart';
 import '../../core/theme/app_colors.dart';
 import '../../l10n/app_localizations.dart';
@@ -37,11 +39,15 @@ class PlayerLogic extends ChangeNotifier {
     required this.history,
     required this.playback,
     required this.pictureInPicture,
+    this.wallet,
+    this.downloads,
   });
 
   final WatchHistoryRepository history;
   final PlaybackRepository playback;
   final AndroidPictureInPicture pictureInPicture;
+  final WalletController? wallet;
+  final DownloadController? downloads;
 
   late PageController pages;
   late PlaybackQueue queue;
@@ -75,6 +81,10 @@ class PlayerLogic extends ChangeNotifier {
   bool pipPreparing = false;
   final Map<String, int> pickedEpisode = {};
 
+  /// 解锁中的集 id 与失败文案；空表示没有进行中的解锁。
+  String? unlockingEpisodeId;
+  String? unlockError;
+
   bool Function() isMounted = () => false;
   bool homeMode = false;
   bool embedded = false;
@@ -194,7 +204,7 @@ class PlayerLogic extends ChangeNotifier {
 
   /// 票据门：起播前先拿票（命中未过期缓存就不会重复请求），
   /// 拿不到地址就交给 [blockedTicket] 让 UI 提示解锁/暂无片源。
-  Future<bool> ensureTicket(int index) async {
+  Future<bool> ensureTicket(int index, {bool forceRefresh = false}) async {
     if (index < 0 || index >= sessionEpisodes.length) return false;
     final episode = sessionEpisodes[index];
     final request = pageRequest;
@@ -202,7 +212,18 @@ class PlayerLogic extends ChangeNotifier {
     ticketError = null;
     notify();
     try {
-      final ticket = await playback.ticketFor(episode.id);
+      final localPath = await downloads?.findLocalPath(episode.id);
+      if (request != pageRequest) return false;
+      if (localPath != null) {
+        blockedTicket = null;
+        blockedEpisodeId = null;
+        sessionEpisodes[index] = episode.withVideoUrl(_fileUrl(localPath));
+        return true;
+      }
+      final ticket = await playback.ticketFor(
+        episode.id,
+        forceRefresh: forceRefresh,
+      );
       if (request != pageRequest) return false;
       blockedTicket = null;
       blockedEpisodeId = null;
@@ -231,6 +252,9 @@ class PlayerLogic extends ChangeNotifier {
     }
   }
 
+  String _fileUrl(String path) =>
+      path.startsWith('file:') ? path : Uri.file(path).toString();
+
   /// 重试当前集的票据（失败态的"重试"按钮）。
   Future<void> retryTicket() async {
     ticketError = null;
@@ -238,6 +262,36 @@ class PlayerLogic extends ChangeNotifier {
     unawaited(selectEpisode(session.currentIndex));
   }
 
+  /// 金币解锁当前集；成功后强制刷新票据并直接起播。
+  Future<bool> unlockEpisode(int index) async {
+    final service = wallet;
+    if (service == null || index < 0 || index >= sessionEpisodes.length) {
+      return false;
+    }
+    final episode = sessionEpisodes[index];
+    unlockingEpisodeId = episode.id;
+    unlockError = null;
+    notify();
+    try {
+      final result = await service.unlock(episode.id);
+      if (result == null || !result.unlocked) {
+        unlockError = service.unlockError;
+        return false;
+      }
+      final ready = await ensureTicket(index, forceRefresh: true);
+      if (ready) {
+        await session.select(
+          index,
+          preloadIndex: nextVisibleIndex(index),
+        );
+      }
+      return ready;
+    } finally {
+      unlockingEpisodeId = null;
+      if (isMounted()) notify();
+    }
+  }
+
   void onPageUpdated(PlayerPage previous) {
     if (previous.active != active) {
       session.setRouteVisible(active && visibleIndices.isNotEmpty);
@@ -562,7 +616,12 @@ class PlayerLogic extends ChangeNotifier {
     if (!context.mounted) return;
     await Navigator.of(context).push(
       MaterialPageRoute<void>(
-        builder: (_) => PlayerPage(drama: drama, initialIndex: index),
+        builder: (_) => PlayerPage(
+          drama: drama,
+          initialIndex: index,
+          wallet: wallet,
+          downloads: downloads,
+        ),
       ),
     );
     if (isMounted()) session.setRouteVisible(active);