simple login

lib/main.dart

@@ -1,18 +1,31 @@
+import 'package:briessenchecker/services/dbhelper.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_dotenv/flutter_dotenv.dart';
+import 'package:gotrue/src/types/auth_state.dart';
+import 'package:supabase_flutter/supabase_flutter.dart';
 
 import 'pages/login_page.dart';
 
 void main() async {
   await dotenv.load(fileName: 'secrets.env');
+  await DbHelper.init();
   runApp(const MyApp());
 }
 
-class MyApp extends StatelessWidget {
+class MyApp extends StatefulWidget {
   const MyApp({super.key});
 
+  @override
+  State<MyApp> createState() => _MyAppState();
+}
+
+class _MyAppState extends State<MyApp> {
+  bool isLoggedIn = false;
   @override
   Widget build(BuildContext context) {
+    String initialRoute =
+        isLoggedIn ? LoginPage.routeName : LoginPage.routeName;
+    DbHelper.authChangeEventStream.listen(_onAuthEvent);
     return MaterialApp(
       title: 'Briessenchecker',
       theme: ThemeData.dark(
@@ -20,10 +33,18 @@ class MyApp extends StatelessWidget {
       ).copyWith(
         colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
       ),
-      initialRoute: LoginPage.routeName,
+      initialRoute: initialRoute,
       routes: {
         LoginPage.routeName: (context) => const LoginPage(),
       },
     );
   }
+
+  void _onAuthEvent(AuthState event) {
+    if (event.event == AuthChangeEvent.signedIn) {
+      setState(() => isLoggedIn = true);
+    } else if (event.event == AuthChangeEvent.signedOut) {
+      setState(() => isLoggedIn = false);
+    }
+  }
 }