Redirect to onboarding on invalid token

lib/providers/api_client_provider.dart

@@ -1,8 +1,10 @@
 import 'package:dio/dio.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
 import 'package:linkdy/providers/server_instances_provider.dart';
+import 'package:linkdy/providers/dio_interceptor.provider.dart';
 import 'package:linkdy/services/api_client.dart';
 import 'package:linkdy/utils/api_base_url.dart';
-import 'package:riverpod_annotation/riverpod_annotation.dart';
 
 part 'api_client_provider.g.dart';
 
@@ -13,16 +15,17 @@ class ApiClient extends _$ApiClient {
     final savedInstances = ref.watch(serverInstancesProvider);
     if (savedInstances.isNotEmpty) {
       final instance = savedInstances[0];
+      final dio = Dio(
+        BaseOptions(
+          baseUrl: apiBaseUrl(instance),
+          headers: {
+            "Authorization": "Token ${instance.token}",
+          },
+        ),
+      )..interceptors.add(ref.watch(dioInterceptorProvider));
       return ApiClientService(
         serverInstance: instance,
-        dioInstance: Dio(
-          BaseOptions(
-            baseUrl: apiBaseUrl(instance),
-            headers: {
-              "Authorization": "Token ${instance.token}",
-            },
-          ),
-        ),
+        dioInstance: dio,
       );
     }
     return null;

lib/providers/api_client_provider.g.dart

@@ -6,7 +6,7 @@ part of 'api_client_provider.dart';
 // RiverpodGenerator
 // **************************************************************************
 
-String _$apiClientHash() => r'd26f8058edfc47acd2e01f2a9bcbf64102b51212';
+String _$apiClientHash() => r'81e911e24bda3baf158a7d583271c4467821b11f';
 
 /// See also [ApiClient].
 @ProviderFor(ApiClient)

lib/providers/dio_interceptor.provider.dart

@@ -0,0 +1,31 @@
+import 'package:dio/dio.dart';
+import 'package:flutter/material.dart';
+import 'package:go_router/go_router.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+import 'package:linkdy/i18n/strings.g.dart';
+import 'package:linkdy/providers/server_instances_provider.dart';
+import 'package:linkdy/router/routes.dart';
+import 'package:linkdy/utils/snackbar.dart';
+import 'package:linkdy/router/paths.dart';
+import 'package:linkdy/providers/api_client_provider.dart';
+
+part 'dio_interceptor.provider.g.dart';
+
+@Riverpod(keepAlive: true)
+InterceptorsWrapper dioInterceptor(DioInterceptorRef ref) {
+  return InterceptorsWrapper(
+    onError: (error, handler) async {
+      if (error.response?.statusCode == 401) {
+        while (GoRouter.of(rootNavigatorKey.currentContext!).canPop() == true) {
+          GoRouter.of(rootNavigatorKey.currentContext!).pop();
+        }
+        GoRouter.of(rootNavigatorKey.currentContext!).pushReplacement(RoutesPaths.onboarding);
+        ref.read(apiClientProvider.notifier).disconnectApiClient();
+        ref.read(serverInstancesProvider.notifier).removeServerInstances();
+        showSnacbkar(label: t.generic.authTokenNotValid, color: Colors.red);
+      }
+      handler.next(error);
+    },
+  );
+}

lib/providers/dio_interceptor.provider.g.dart

@@ -0,0 +1,25 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'dio_interceptor.provider.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+String _$dioInterceptorHash() => r'449d19df5bf143a7e0f92249d99b4d223b2468f3';
+
+/// See also [dioInterceptor].
+@ProviderFor(dioInterceptor)
+final dioInterceptorProvider = Provider<InterceptorsWrapper>.internal(
+  dioInterceptor,
+  name: r'dioInterceptorProvider',
+  debugGetCreateSourceHash: const bool.fromEnvironment('dart.vm.product')
+      ? null
+      : _$dioInterceptorHash,
+  dependencies: null,
+  allTransitiveDependencies: null,
+);
+
+typedef DioInterceptorRef = ProviderRef<InterceptorsWrapper>;
+// ignore_for_file: type=lint
+// ignore_for_file: subtype_of_sealed_class, invalid_use_of_internal_member, invalid_use_of_visible_for_testing_member