44 lines
1.2 KiB
Dart
44 lines
1.2 KiB
Dart
/// Thin wrapper around [SharedPreferences] for local key-value persistence.
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library;
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import 'package:shared_preferences/shared_preferences.dart';
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import '../utils/constants.dart';
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/// Loads and stores user preferences. Call [init] once at startup.
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class StorageService {
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StorageService({this._preferences});
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SharedPreferences? _preferences;
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Future<void> init() async {
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_preferences ??= await SharedPreferences.getInstance();
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}
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SharedPreferences get _prefs {
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final prefs = _preferences;
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if (prefs == null) {
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throw StateError('StorageService.init() must be called before use.');
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}
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return prefs;
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}
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String get themeModeName =>
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_prefs.getString(StorageKeys.themeMode) ?? 'light';
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Future<void> setThemeModeName(String value) {
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return _prefs.setString(StorageKeys.themeMode, value);
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}
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/// Serialized Values Sort session JSON, or null when none saved.
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String? get sortSessionJson => _prefs.getString(StorageKeys.sortSession);
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Future<void> setSortSessionJson(String json) {
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return _prefs.setString(StorageKeys.sortSession, json);
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}
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Future<void> clearSortSession() {
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return _prefs.remove(StorageKeys.sortSession);
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}
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}
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