add alot

2026-07-27 21:32:03 +02:00
parent 160b4e4cda
commit 77c1747b40
23 changed files with 1392 additions and 87 deletions
@@ -0,0 +1,66 @@
+import 'package:flutter/foundation.dart';
+
+import '../models/settings.dart';
+import '../services/settings_service.dart';
+
+class SettingsViewModel extends ChangeNotifier {
+  final SettingsService settingsService;
+
+  SettingsViewModel({required this.settingsService});
+
+  AppSettings _settings = AppSettings.defaults;
+  bool _isLoading = false;
+  bool _hasLoaded = false;
+  String? _errorMessage;
+
+  AppSettings get settings => _settings;
+  bool get isLoading => _isLoading;
+  bool get hasLoaded => _hasLoaded;
+  String? get errorMessage => _errorMessage;
+
+  Future<void> ensureLoaded() async {
+    if (_hasLoaded || _isLoading) return;
+    await load();
+  }
+
+  Future<void> load() async {
+    if (_isLoading) return;
+
+    _isLoading = true;
+    _errorMessage = null;
+    notifyListeners();
+
+    try {
+      _settings = await settingsService.getSettings();
+    } catch (_) {
+      _errorMessage = 'Could not load settings.';
+    } finally {
+      _hasLoaded = true;
+      _isLoading = false;
+      notifyListeners();
+    }
+  }
+
+  /// Just flips the preference flag. Caller is responsible for having
+  /// already set/verified the actual PIN via PinLockViewModel first.
+  Future<void> updatePinRequired(bool value) =>
+      _save(_settings.copyWith(pinRequired: value));
+
+  Future<void> updateThemeMode(AppThemeMode mode) =>
+      _save(_settings.copyWith(themeMode: mode));
+
+  Future<void> _save(AppSettings updated) async {
+    final previous = _settings;
+    _settings = updated;
+    _errorMessage = null;
+    notifyListeners();
+
+    try {
+      await settingsService.saveSettings(updated);
+    } catch (_) {
+      _settings = previous;
+      _errorMessage = 'Could not save settings.';
+      notifyListeners();
+    }
+  }
+}