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Refactor preferences

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This commit is contained in:
problematicconsumer
2023-09-06 12:56:30 +03:30
parent cf1acb0b25
commit ef1846e553
26 changed files with 303 additions and 229 deletions
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134
lib/utils/pref_notifier.dart
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@@ -1,14 +1,25 @@
import 'package:hiddify/data/data_providers.dart';
import 'package:hiddify/utils/custom_loggers.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:shared_preferences/shared_preferences.dart';
class PrefNotifier<T> extends AutoDisposeNotifier<T> {
PrefNotifier(this._key, this._defaultValue, this._mapFrom, this._mapTo);
class PrefNotifier<T> extends AutoDisposeNotifier<T>
with _Prefs<T>, InfraLogger {
PrefNotifier(
this.key,
this.defaultValue,
this.mapFrom,
this.mapTo,
);
final String _key;
final T _defaultValue;
final T Function(String)? _mapFrom;
final String Function(T)? _mapTo;
@override
final String key;
@override
final T defaultValue;
@override
final T Function(String)? mapFrom;
@override
final String Function(T)? mapTo;
static AutoDisposeNotifierProvider<PrefNotifier<T>, T> provider<T>(
String key,
@@ -16,39 +27,102 @@ class PrefNotifier<T> extends AutoDisposeNotifier<T> {
T Function(String value)? mapFrom,
String Function(T value)? mapTo,
}) =>
NotifierProvider.autoDispose(
AutoDisposeNotifierProvider(
() => PrefNotifier(key, defaultValue, mapFrom, mapTo),
);
SharedPreferences get _prefs => ref.read(sharedPreferencesProvider);
@override
SharedPreferences get prefs => ref.read(sharedPreferencesProvider);
/// Updates the value asynchronously.
@override
Future<void> update(T value) async {
if (_mapTo != null && _mapFrom != null) {
await _prefs.setString(_key, _mapTo!(value));
} else {
switch (value) {
case String _:
await _prefs.setString(_key, value);
case bool _:
await _prefs.setBool(_key, value);
case int _:
await _prefs.setInt(_key, value);
case double _:
await _prefs.setDouble(_key, value);
case List<String> _:
await _prefs.setStringList(_key, value);
}
}
super.update(value);
super.state = value;
}
@override
T build() {
if (_mapTo != null && _mapFrom != null) {
final persisted = _prefs.getString(_key);
return persisted != null ? _mapFrom!(persisted) : _defaultValue;
T build() => getValue();
}
class AlwaysAlivePrefNotifier<T> extends Notifier<T>
with _Prefs<T>, InfraLogger {
AlwaysAlivePrefNotifier(
this.key,
this.defaultValue,
this.mapFrom,
this.mapTo,
);
@override
final String key;
@override
final T defaultValue;
@override
final T Function(String)? mapFrom;
@override
final String Function(T)? mapTo;
static NotifierProvider<AlwaysAlivePrefNotifier<T>, T> provider<T>(
String key,
T defaultValue, {
T Function(String value)? mapFrom,
String Function(T value)? mapTo,
}) =>
NotifierProvider(
() => AlwaysAlivePrefNotifier(key, defaultValue, mapFrom, mapTo),
);
@override
SharedPreferences get prefs => ref.read(sharedPreferencesProvider);
@override
Future<void> update(T value) async {
super.update(value);
super.state = value;
}
@override
T build() => getValue();
}
mixin _Prefs<T> implements LoggerMixin {
String get key;
T get defaultValue;
T Function(String)? get mapFrom;
String Function(T)? get mapTo;
SharedPreferences get prefs;
/// Updates the value asynchronously.
Future<void> update(T value) async {
if (mapTo != null && mapFrom != null) {
await prefs.setString(key, mapTo!(value));
} else {
switch (value) {
case String _:
await prefs.setString(key, value);
case bool _:
await prefs.setBool(key, value);
case int _:
await prefs.setInt(key, value);
case double _:
await prefs.setDouble(key, value);
case List<String> _:
await prefs.setStringList(key, value);
}
}
}
T getValue() {
try {
if (mapTo != null && mapFrom != null) {
final persisted = prefs.getString(key);
return persisted != null ? mapFrom!(persisted) : defaultValue;
}
return prefs.get(key) as T? ?? defaultValue;
} catch (e) {
loggy.warning("error getting preference[$key]: $e");
return defaultValue;
}
return _prefs.get(_key) as T? ?? _defaultValue;
}
}