first commit

lib/core/router/app_router.dart

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+import 'dart:async';
+
+import 'package:flutter/widgets.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:go_router/go_router.dart';
+import 'package:supabase_flutter/supabase_flutter.dart';
+
+import '../../features/auth/presentation/screens/forgot_password_screen.dart';
+import '../../features/auth/presentation/screens/login_screen.dart';
+import '../../features/auth/presentation/screens/signup_screen.dart';
+import '../../features/admin/presentation/screens/admin_screen.dart';
+import '../../features/discover/presentation/pages/discover_page.dart';
+import '../../features/feed/presentation/screens/feed_screen.dart';
+import '../../features/feed/presentation/screens/upload_post_screen.dart';
+import '../../features/music/presentation/pages/music_page.dart';
+import '../../features/profile/presentation/pages/profile_page.dart';
+import '../../features/splash/presentation/pages/splash_page.dart';
+import '../../features/theme_preview/presentation/pages/riotz_theme_preview_page.dart';
+import '../supabase/supabase_providers.dart';
+import 'app_routes.dart';
+
+final appRouterProvider = Provider<GoRouter>((ref) {
+  final client = ref.watch(supabaseProvider);
+  final authStateStream = client.auth.onAuthStateChange;
+
+  return GoRouter(
+    initialLocation: AppRoutes.splash,
+    refreshListenable: GoRouterRefreshStream(authStateStream),
+    routes: [
+      GoRoute(
+        path: AppRoutes.splash,
+        builder: (context, state) => const SplashPage(),
+      ),
+      GoRoute(
+        path: AppRoutes.login,
+        builder: (context, state) => const LoginScreen(),
+      ),
+      GoRoute(
+        path: AppRoutes.signup,
+        builder: (context, state) => const SignupScreen(),
+      ),
+      GoRoute(
+        path: AppRoutes.forgotPassword,
+        builder: (context, state) => const ForgotPasswordScreen(),
+      ),
+      GoRoute(
+        path: AppRoutes.home,
+        builder: (context, state) => const FeedScreen(),
+      ),
+      GoRoute(
+        path: AppRoutes.uploadPost,
+        builder: (context, state) => const UploadPostScreen(),
+      ),
+      GoRoute(
+        path: AppRoutes.profile,
+        builder: (context, state) => const ProfilePage(),
+      ),
+      GoRoute(
+        path: AppRoutes.music,
+        builder: (context, state) => const MusicPage(),
+      ),
+      GoRoute(
+        path: AppRoutes.discover,
+        builder: (context, state) => const DiscoverPage(),
+      ),
+      GoRoute(
+        path: AppRoutes.admin,
+        builder: (context, state) => const AdminScreen(),
+      ),
+      GoRoute(
+        path: AppRoutes.themePreview,
+        builder: (context, state) => const RiotzThemePreviewPage(),
+      ),
+    ],
+    redirect: (context, state) {
+      final isLoggedIn = client.auth.currentUser != null;
+      final isSplash = state.matchedLocation == AppRoutes.splash;
+      final isAuthRoute = state.matchedLocation == AppRoutes.login ||
+          state.matchedLocation == AppRoutes.signup ||
+          state.matchedLocation == AppRoutes.forgotPassword;
+
+      if (!isLoggedIn && !isSplash && !isAuthRoute) {
+        return AppRoutes.login;
+      }
+
+      if (isLoggedIn && (isSplash || isAuthRoute)) {
+        return AppRoutes.home;
+      }
+
+      return null;
+    },
+  );
+});
+
+class GoRouterRefreshStream extends ChangeNotifier {
+  GoRouterRefreshStream(Stream<AuthState> stream) {
+    _subscription = stream.asBroadcastStream().listen((_) => notifyListeners());
+  }
+
+  late final StreamSubscription<AuthState> _subscription;
+
+  @override
+  void dispose() {
+    _subscription.cancel();
+    super.dispose();
+  }
+}

lib/core/router/app_routes.dart

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+class AppRoutes {
+  const AppRoutes._();
+
+  static const splash = '/';
+  static const login = '/auth/login';
+  static const signup = '/auth/signup';
+  static const forgotPassword = '/auth/forgot-password';
+  static const home = '/home';
+  static const uploadPost = '/upload-post';
+  static const profile = '/profile';
+  static const music = '/music';
+  static const discover = '/discover';
+  static const admin = '/admin';
+  static const themePreview = '/theme-preview';
+}