правки лаунчера

lib/features/launcher/application/restore_launcher_session_use_case.dart

@@ -0,0 +1,59 @@
+import 'package:moonwell_launcher/features/launcher/data/launcher_api_client.dart';
+import 'package:moonwell_launcher/features/launcher/domain/entities/client_manifest.dart';
+import 'package:moonwell_launcher/features/launcher/domain/entities/launcher_session.dart';
+import 'package:moonwell_launcher/features/preferences/domain/repositories/preferences_repository.dart';
+
+final class RestoreLauncherSessionResult {
+  final LauncherSession? session;
+  final ClientManifest? manifest;
+
+  const RestoreLauncherSessionResult._({
+    required this.session,
+    required this.manifest,
+  });
+
+  const RestoreLauncherSessionResult.unauthenticated()
+    : this._(session: null, manifest: null);
+
+  const RestoreLauncherSessionResult.authenticated({
+    required LauncherSession session,
+    required ClientManifest manifest,
+  }) : this._(session: session, manifest: manifest);
+
+  bool get isAuthenticated => session != null && manifest != null;
+}
+
+class RestoreLauncherSessionUseCase {
+  RestoreLauncherSessionUseCase({
+    required LauncherApiClient launcherApiClient,
+    required PreferencesRepository preferencesRepository,
+  }) : _launcherApiClient = launcherApiClient,
+       _preferencesRepository = preferencesRepository;
+
+  final LauncherApiClient _launcherApiClient;
+  final PreferencesRepository _preferencesRepository;
+
+  Future<RestoreLauncherSessionResult> call() async {
+    final savedSession = await _preferencesRepository.getLauncherSession();
+    if (savedSession == null || !savedSession.hasAccessToken) {
+      return const RestoreLauncherSessionResult.unauthenticated();
+    }
+
+    if (savedSession.isExpired) {
+      await _preferencesRepository.clearLauncherSession();
+      return const RestoreLauncherSessionResult.unauthenticated();
+    }
+
+    try {
+      final manifest = await _launcherApiClient.fetchManifest(
+        savedSession.accessToken,
+      );
+      return RestoreLauncherSessionResult.authenticated(
+        session: savedSession,
+        manifest: manifest,
+      );
+    } catch (_) {
+      return const RestoreLauncherSessionResult.unauthenticated();
+    }
+  }
+}

lib/features/launcher/domain/entities/launcher_session.dart

@@ -17,6 +17,25 @@ final class LauncherSession {
     );
   }
 
+  Map<String, dynamic> toJson() {
+    return <String, dynamic>{
+      'access_token': accessToken,
+      'token_type': tokenType,
+      'expires_at': expiresAt?.toIso8601String(),
+    };
+  }
+
+  bool get hasAccessToken => accessToken.trim().isNotEmpty;
+
+  bool get isExpired {
+    final expiresAt = this.expiresAt;
+    if (expiresAt == null) {
+      return false;
+    }
+
+    return !expiresAt.toUtc().isAfter(DateTime.now().toUtc());
+  }
+
   static DateTime? _parseDateTime(String? rawValue) {
     if (rawValue == null || rawValue.isEmpty) {
       return null;