major refactor

lib/main.dart

@@ -9,9 +9,9 @@ import 'package:mileograph_flutter/components/pages/trips.dart';
 import 'package:provider/provider.dart';
 
 import 'package:mileograph_flutter/components/pages/legs.dart';
-import 'package:mileograph_flutter/services/apiService.dart';
+import 'package:mileograph_flutter/services/api_service.dart';
 import 'package:mileograph_flutter/services/authservice.dart';
-import 'package:mileograph_flutter/services/dataService.dart';
+import 'package:mileograph_flutter/services/data_service.dart';
 import 'package:mileograph_flutter/services/navigation_guard.dart';
 
 import 'components/login/login.dart';
@@ -38,7 +38,7 @@ void main() {
           },
         ),
         ProxyProvider<AuthService, void>(
-          update: (_, auth, __) {
+          update: (_, auth, previous) {
             api.setTokenProvider(() => auth.token);
             api.setUnauthorizedHandler(() => auth.handleTokenExpired());
           },
@@ -88,14 +88,17 @@ class MyApp extends StatelessWidget {
             return MyHomePage(child: child);
           },
           routes: [
-            GoRoute(path: '/', builder: (_, __) => const Dashboard()),
-            GoRoute(path: '/calculator', builder: (_, __) => CalculatorPage()),
+            GoRoute(path: '/', builder: (context, state) => const Dashboard()),
+            GoRoute(
+              path: '/calculator',
+              builder: (context, state) => CalculatorPage(),
+            ),
             GoRoute(
               path: '/calculator/details',
-              builder: (_, __) => CalculatorPage(),
+              builder: (context, state) => CalculatorPage(),
             ),
-            GoRoute(path: '/legs', builder: (_, __) => LegsPage()),
-            GoRoute(path: '/traction', builder: (_, __) => TractionPage()),
+            GoRoute(path: '/legs', builder: (context, state) => LegsPage()),
+            GoRoute(path: '/traction', builder: (context, state) => TractionPage()),
             GoRoute(
               path: '/traction/:id/timeline',
               builder: (_, state) {
@@ -119,10 +122,10 @@ class MyApp extends StatelessWidget {
             ),
             GoRoute(
               path: '/traction/new',
-              builder: (_, __) => const NewTractionPage(),
+              builder: (context, state) => const NewTractionPage(),
             ),
-            GoRoute(path: '/trips', builder: (_, __) => TripsPage()),
-            GoRoute(path: '/add', builder: (_, __) => NewEntryPage()),
+            GoRoute(path: '/trips', builder: (context, state) => TripsPage()),
+            GoRoute(path: '/add', builder: (context, state) => NewEntryPage()),
             GoRoute(
               path: '/legs/edit/:id',
               builder: (_, state) {
@@ -133,7 +136,7 @@ class MyApp extends StatelessWidget {
             ),
           ],
         ),
-        GoRoute(path: '/login', builder: (_, __) => const LoginScreen()),
+        GoRoute(path: '/login', builder: (context, state) => const LoginScreen()),
       ],
     );
 
@@ -232,6 +235,7 @@ class _MyHomePageState extends State<MyHomePage> {
       _fetched = true;
       WidgetsBinding.instance.addPostFrameCallback((_) {
         Future(() async {
+          if (!mounted) return;
           final data = context.read<DataService>();
           final auth = context.read<AuthService>();
           api.setTokenProvider(() => auth.token);