fingerpring state

lib/core/storage/local_storage_service.dart

@@ -0,0 +1,13 @@
+import 'package:shared_preferences/shared_preferences.dart';
+
+class LocalStorageService {
+  Future<void> setBool(String key, bool value) async{
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setBool(key, value);
+  }
+  
+  Future<bool?> getBool(String key) async {
+    final prefs = await SharedPreferences.getInstance();
+    return prefs.getBool(key);
+  }
+}

lib/features/auth/data/fingerprint_repository.dart

@@ -0,0 +1,16 @@
+import 'package:cb_prestige_qr/core/storage/local_storage_service.dart';
+
+class FingerprintRepository {
+  final LocalStorageService storage;
+  FingerprintRepository(this.storage);
+  
+  static const key = "fingerprint_enabled";
+  
+  Future<bool> load() async {
+    return await storage.getBool(key) ?? false;
+  }
+  
+  Future<void> save(bool value) async {
+    await storage.setBool(key, value);
+  }
+}

lib/features/auth/domain/fingerprint_state.dart

@@ -0,0 +1,9 @@
+class FingerprintState {
+  final bool enabled;
+  
+  FingerprintState(this.enabled);
+  
+  FingerprintState copyWith({bool? enabled}){
+    return FingerprintState(enabled ?? this.enabled);
+  }
+}

lib/features/auth/presentation/providers/fingerprint_provider.dart

@@ -0,0 +1,33 @@
+import 'package:cb_prestige_qr/core/storage/local_storage_service.dart';
+import 'package:cb_prestige_qr/features/auth/data/fingerprint_repository.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:hooks_riverpod/legacy.dart';
+
+
+final storageProvider = Provider((ref) => LocalStorageService());
+
+final fingerprintRepoProvider = Provider((ref) {
+  return FingerprintRepository(ref.read(storageProvider));
+});
+
+final fingerprintProvider =
+StateNotifierProvider<FingerprintNotifier, bool>((ref) {
+  return FingerprintNotifier(ref.read(fingerprintRepoProvider));
+});
+
+class FingerprintNotifier extends StateNotifier<bool> {
+  final FingerprintRepository repo;
+
+  FingerprintNotifier(this.repo) : super(false) {
+    _init();
+  }
+
+  Future<void> _init() async {
+    state = await repo.load();
+  }
+
+  Future<void> toggle(bool value) async {
+    state = value;
+    await repo.save(value);
+  }
+}

lib/features/settings/presentation/pages/settings_page.dart

@@ -1,3 +1,5 @@
+import 'package:cb_prestige_qr/core/utils/MainShell.dart';
+import 'package:cb_prestige_qr/features/auth/presentation/pages/login_page.dart';
 import 'package:flutter/material.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
 
@@ -28,6 +30,13 @@ class SettingsPage extends ConsumerWidget {
           onNotificationsChanged: viewModel.toggleNotifications,
           onHapticsChanged: viewModel.toggleHaptics,
           onFingerChanged: viewModel.toggleFinger,
+          onLogout: () {
+            ref.read(navIndexNotifierProvider.notifier).setIndex(0);
+            Navigator.of(context).pushAndRemoveUntil(
+              MaterialPageRoute(builder: (_) => const LoginPage()),
+              (route) => false,
+            );
+          },
         ),
         loading: () => const Center(child: CircularProgressIndicator()),
         error: (error, stackTrace) => Center(
@@ -47,12 +56,14 @@ class _SettingsBody extends StatelessWidget {
     required this.onNotificationsChanged,
     required this.onHapticsChanged,
     required this.onFingerChanged,
+    required this.onLogout,
   });
 
   final SettingsUiState state;
   final ValueChanged<bool> onNotificationsChanged;
   final ValueChanged<bool> onHapticsChanged;
   final ValueChanged<bool> onFingerChanged;
+  final VoidCallback onLogout;
 
   @override
   Widget build(BuildContext context) {
@@ -94,6 +105,17 @@ class _SettingsBody extends StatelessWidget {
             ),
           ],
         ),
+        const SizedBox(height: 12),
+        FilledButton.icon(
+          onPressed: onLogout,
+          icon: const Icon(Icons.logout_rounded),
+          label: const Text('Logout'),
+          style: FilledButton.styleFrom(
+            backgroundColor: Theme.of(context).colorScheme.error,
+            foregroundColor: Theme.of(context).colorScheme.onError,
+            padding: const EdgeInsets.symmetric(vertical: 16),
+          ),
+        ),
       ],
     );
   }

pubspec.lock

@@ -576,6 +576,30 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.1.0"
+  path_provider_linux:
+    dependency: transitive
+    description:
+      name: path_provider_linux
+      sha256: f7a1fe3a634fe7734c8d3f2766ad746ae2a2884abe22e241a8b301bf5cac3279
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.1"
+  path_provider_platform_interface:
+    dependency: transitive
+    description:
+      name: path_provider_platform_interface
+      sha256: "88f5779f72ba699763fa3a3b06aa4bf6de76c8e5de842cf6f29e2e06476c2334"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
+  path_provider_windows:
+    dependency: transitive
+    description:
+      name: path_provider_windows
+      sha256: bd6f00dbd873bfb70d0761682da2b3a2c2fccc2b9e84c495821639601d81afe7
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.0"
   petitparser:
     dependency: transitive
     description:
@@ -584,6 +608,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "7.0.2"
+  platform:
+    dependency: transitive
+    description:
+      name: platform
+      sha256: "5d6b1b0036a5f331ebc77c850ebc8506cbc1e9416c27e59b439f917a902a4984"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.6"
   plugin_platform_interface:
     dependency: transitive
     description:
@@ -656,6 +688,62 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.0.3"
+  shared_preferences:
+    dependency: "direct main"
+    description:
+      name: shared_preferences
+      sha256: c3025c5534b01739267eb7d76959bbc25a6d10f6988e1c2a3036940133dd10bf
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.5.5"
+  shared_preferences_android:
+    dependency: transitive
+    description:
+      name: shared_preferences_android
+      sha256: e8d4762b1e2e8578fc4d0fd548cebf24afd24f49719c08974df92834565e2c53
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.23"
+  shared_preferences_foundation:
+    dependency: transitive
+    description:
+      name: shared_preferences_foundation
+      sha256: "4e7eaffc2b17ba398759f1151415869a34771ba11ebbccd1b0145472a619a64f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.5.6"
+  shared_preferences_linux:
+    dependency: transitive
+    description:
+      name: shared_preferences_linux
+      sha256: "580abfd40f415611503cae30adf626e6656dfb2f0cee8f465ece7b6defb40f2f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.1"
+  shared_preferences_platform_interface:
+    dependency: transitive
+    description:
+      name: shared_preferences_platform_interface
+      sha256: "649dc798a33931919ea356c4305c2d1f81619ea6e92244070b520187b5140ef9"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.2"
+  shared_preferences_web:
+    dependency: transitive
+    description:
+      name: shared_preferences_web
+      sha256: c49bd060261c9a3f0ff445892695d6212ff603ef3115edbb448509d407600019
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.3"
+  shared_preferences_windows:
+    dependency: transitive
+    description:
+      name: shared_preferences_windows
+      sha256: "94ef0f72b2d71bc3e700e025db3710911bd51a71cefb65cc609dd0d9a982e3c1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.1"
   shelf:
     dependency: transitive
     description:
@@ -893,6 +981,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.2.1"
+  xdg_directories:
+    dependency: transitive
+    description:
+      name: xdg_directories
+      sha256: "7a3f37b05d989967cdddcbb571f1ea834867ae2faa29725fd085180e0883aa15"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.0"
   xml:
     dependency: transitive
     description:

pubspec.yaml

@@ -41,6 +41,7 @@ dependencies:
   carousel_slider: ^5.1.2
   mobile_scanner: ^7.2.0
   local_auth: ^3.0.1
+  shared_preferences: ^2.5.5
 
 dev_dependencies:
   flutter_test: