feat: added authentification and redirection

lib/routing/router.dart

@@ -1,12 +1,31 @@
 import 'package:go_router/go_router.dart';
+import 'package:provider/provider.dart';
+import 'package:seshat/data/repositories/auth_repository.dart';
 import 'package:seshat/routing/routes.dart';
 import 'package:seshat/ui/add_page/view_model/add_view_model.dart';
 import 'package:seshat/ui/add_page/widgets/add_page.dart';
+import 'package:seshat/ui/auth/viewmodel/login_view_model.dart';
+import 'package:seshat/ui/auth/widgets/login_page.dart';
 import 'package:seshat/ui/home_page/home_page.dart';
 import 'package:seshat/ui/sell_page/sell_page.dart';
 
-GoRouter router() => GoRouter(
+GoRouter router(AuthRepository authRepository) => GoRouter(
   initialLocation: Routes.add,
+  redirect: (context, state) async {
+    final loggedIn = await context.read<AuthRepository>().isLoggedIn;
+    final logginIn = state.matchedLocation == Routes.login;
+
+    if (!loggedIn) {
+      return Routes.login;
+    }
+
+    if (logginIn) {
+      return Routes.add;
+    }
+
+    return null;
+  },
+  refreshListenable: authRepository,
   routes: [
     GoRoute(
       path: Routes.home,
@@ -14,8 +33,10 @@ GoRouter router() => GoRouter(
       routes: [
         GoRoute(
           path: Routes.add,
-          pageBuilder: (context, state) =>
-              NoTransitionPage(child: AddPage(viewModel: AddViewModel())),
+          pageBuilder: (context, state) {
+            final viewModel = AddViewModel(ownerRepository: context.read());
+            return NoTransitionPage(child: AddPage(viewModel: viewModel));
+          },
           // routes: [
           // GoRoute(path: Routes.addForm),
           // GoRoute(path: Routes.addOwner),
@@ -26,6 +47,13 @@ GoRouter router() => GoRouter(
           path: Routes.sell,
           pageBuilder: (context, state) => NoTransitionPage(child: SellPage()),
         ),
+        GoRoute(
+          path: Routes.login,
+          pageBuilder: (context, state) {
+            final viewModel = LoginViewModel(authRepository: context.read());
+            return NoTransitionPage(child: LoginPage(viewModel: viewModel));
+          },
+        ),
       ],
     ),
   ],

lib/routing/routes.dart

@@ -10,4 +10,7 @@ abstract final class Routes {
 
   // ==[ SELL ]==
   static const sell = '/sell';
+
+  // ==[ AUTH ]==
+  static const login = '/login';
 }