RADOM JAXDA

lib/client.dart

@@ -42,6 +42,11 @@ class ApiClient {
       Uri.parse('$baseUrl$path'),
       headers: headers(),
     );
+
+    if (response.statusCode != 200) {
+      throw Exception('Response returned status code: ${response.statusCode}');
+    }
+
     return jsonDecode(response.body);
   }
 
@@ -51,6 +56,11 @@ class ApiClient {
       body: jsonEncode(body),
       headers: headers(),
     );
+
+    if (response.statusCode != 200) {
+      throw Exception('Response returned status code: ${response.statusCode}');
+    }
+
     return jsonDecode(response.body);
   }
 
@@ -60,6 +70,11 @@ class ApiClient {
       Uri.parse('$baseUrl$path'),
       headers: headers(),
     );
+
+    if (response.statusCode != 200) {
+      throw Exception('Response returned status code: ${response.statusCode}');
+    }
+
     return jsonDecode(response.body);
   }
 
@@ -69,6 +84,11 @@ class ApiClient {
       body: jsonEncode(body),
       headers: headers(),
     );
+
+    if (response.statusCode != 200) {
+      throw Exception('Response returned status code: ${response.statusCode}');
+    }
+
     return jsonDecode(response.body);
   }
 
@@ -99,4 +119,22 @@ class ApiClient {
     this.refreshToken = refreshToken;
     window.localStorage['refreshToken'] = refreshToken;
   }
+
+  Future<void> refresh() async {
+    if (refreshToken == null) {
+      throw Exception("No valid refresh token found");
+    }
+
+    final response = await post(
+      "/token/refresh",
+      {
+        "refresh_token": refreshToken,
+      }
+    );
+
+    token = response['access_token'] as String;
+    window.localStorage['token'] = token!;
+    refreshToken = response['refresh_token'] as String;
+    window.localStorage['refreshToken'] = refreshToken!;
+  }
 }

lib/main.dart

@@ -1,5 +1,30 @@
 import 'package:flutter/material.dart';
-import 'package:fooder_web/screens/main.dart';
+import 'package:fooder_web/screens/login.dart';
+import 'package:fooder_web/client.dart';
+
+
+class MyApp extends StatelessWidget {
+  const MyApp({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'Flutter Demo',
+      theme: ThemeData(
+        colorScheme: ColorScheme.fromSeed(
+          seedColor: Colors.blueGrey,
+          brightness: Brightness.dark,
+        ),
+        useMaterial3: true,
+      ),
+      home: LoginScreen(
+        apiClient: ApiClient(
+          baseUrl: 'https://fooderapi.domandoman.xyz/api',
+        ),
+      ),
+    );
+  }
+}
 
 
 void main() {

lib/screens/login.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:fooder_web/screens/based.dart';
+import 'package:fooder_web/screens/main.dart';
 
 
 class LoginScreen extends BasedScreen {
@@ -42,11 +43,16 @@ class _LoginScreen extends State<LoginScreen> {
   }
 
   void popMeDady() {
-    Navigator.pop(context);
+    Navigator.push(
+      context,
+      MaterialPageRoute(
+        builder: (context) => MainScreen(apiClient: widget.apiClient),
+      ),
+    );
   }
 
   // login client when button pressed
-  void _login() async {
+  Future<void> _login() async {
     try {
       await widget.apiClient.login(
         usernameController.text,
@@ -58,13 +64,30 @@ class _LoginScreen extends State<LoginScreen> {
       showError(e.toString());
     }
   }
+  @override
+  void initState () {
+    super.initState();
+    _asyncInitState().then((value) => null);
+  }
+
+  Future<void> _asyncInitState() async {
+    super.initState();
+
+    try {
+      await widget.apiClient.refresh();
+      showText("Welcome back!");
+      popMeDady();
+    } on Exception catch (_) {
+      showError("Session is not longer valid, please log in again");
+    }
+  }
 
   @override
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(
         backgroundColor: Theme.of(context).colorScheme.inversePrimary,
-        title: const Text("FOODER login"),
+        title: const Text("FOODER"),
       ),
       body: Center(
         child: Container(

lib/screens/main.dart

@@ -1,56 +1,19 @@
 import 'package:flutter/material.dart';
 import 'package:fooder_web/screens/based.dart';
-import 'package:fooder_web/screens/login.dart';
-import 'package:fooder_web/client.dart';
 import 'package:fooder_web/models/meal.dart';
 import 'package:fooder_web/models/entry.dart';
 import 'package:fooder_web/models/diary.dart';
 import 'package:fooder_web/widgets/diary.dart';
 
-class MyApp extends StatelessWidget {
-  const MyApp({super.key});
+
+class MainScreen extends BasedScreen {
+  const MainScreen({super.key, required super.apiClient});
 
   @override
-  Widget build(BuildContext context) {
-    return MaterialApp(
-      title: 'Flutter Demo',
-      theme: ThemeData(
-        colorScheme: ColorScheme.fromSeed(
-          seedColor: Colors.blueGrey,
-          brightness: Brightness.dark,
-        ),
-        useMaterial3: true,
-      ),
-      home: MyHomePage(
-        apiClient: ApiClient(
-          baseUrl: 'https://fooderapi.domandoman.xyz/api',
-        ),
-        title: 'FOODER',
-      ),
-    );
-  }
+  State<MainScreen> createState() => _MainScreen();
 }
 
-class MyHomePage extends BasedScreen {
-  final String title;
-
-  const MyHomePage({super.key, required super.apiClient, required this.title});
-
-  @override
-  State<MyHomePage> createState() => _MyHomePageState();
-}
-
-class _MyHomePageState extends State<MyHomePage> {
-  // login client when button pressed
-  void _login() async {
-    Navigator.push(
-      context,
-      MaterialPageRoute(
-        builder: (context) => LoginScreen(apiClient: widget.apiClient),
-      ),
-    );
-  }
-
+class _MainScreen extends State<MainScreen> {
   @override
   Widget build(BuildContext context) {
     var testDiary = Diary(
@@ -97,7 +60,7 @@ class _MyHomePageState extends State<MyHomePage> {
     return Scaffold(
       appBar: AppBar(
         backgroundColor: Theme.of(context).colorScheme.inversePrimary,
-        title: Text(widget.title),
+        title: Text("FOODER"),
       ),
       body: Center(
         child: Container(