OpenContacts/lib/clients/settings_client.dart

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Dart

import 'dart:convert';
import 'package:contacts_plus_plus/models/settings.dart';
import 'package:flutter_secure_storage/flutter_secure_storage.dart';
class SettingsClient {
static const String _settingsKey = "settings";
static const _storage = FlutterSecureStorage();
Settings _currentSettings = const Settings();
Settings get currentSettings => _currentSettings;
Future<void> loadSettings() async {
final data = await _storage.read(key: _settingsKey);
if (data == null) return;
try {
_currentSettings = Settings.fromMap(jsonDecode(data));
} catch (_) {
_storage.delete(key: _settingsKey);
rethrow;
}
}
Future<void> changeSettings(Settings newSettings) async {
_currentSettings = newSettings;
await _storage.write(key: _settingsKey, value: jsonEncode(newSettings.toMap()));
}
}