95 lines
2.7 KiB
Dart
95 lines
2.7 KiB
Dart
import 'dart:async';
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import 'dart:convert';
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import 'package:fl_clash/models/models.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'constant.dart';
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class Preferences {
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static Preferences? _instance;
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Completer<SharedPreferences?> sharedPreferencesCompleter = Completer();
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Future<bool> get isInit async =>
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await sharedPreferencesCompleter.future != null;
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Preferences._internal() {
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SharedPreferences.getInstance()
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.then((value) => sharedPreferencesCompleter.complete(value))
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.onError((_, _) => sharedPreferencesCompleter.complete(null));
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}
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factory Preferences() {
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_instance ??= Preferences._internal();
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return _instance!;
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}
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Future<int> getVersion() async {
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final preferences = await sharedPreferencesCompleter.future;
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return preferences?.getInt('version') ?? 0;
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}
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Future<void> setVersion(int version) async {
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final preferences = await sharedPreferencesCompleter.future;
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await preferences?.setInt('version', version);
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}
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Future<void> saveShareState(SharedState shareState) async {
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final preferences = await sharedPreferencesCompleter.future;
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await preferences?.setString('sharedState', json.encode(shareState));
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}
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Future<Map<String, Object?>?> getConfigMap() async {
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try {
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final preferences = await sharedPreferencesCompleter.future;
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final configString = preferences?.getString(configKey);
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if (configString == null) return null;
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final Map<String, Object?>? configMap = json.decode(configString);
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return configMap;
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} catch (_) {
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return null;
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}
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}
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Future<Map<String, Object?>?> getClashConfigMap() async {
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try {
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final preferences = await sharedPreferencesCompleter.future;
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final clashConfigString = preferences?.getString(clashConfigKey);
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if (clashConfigString == null) return null;
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return json.decode(clashConfigString);
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} catch (_) {
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return null;
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}
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}
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Future<void> clearClashConfig() async {
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try {
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final preferences = await sharedPreferencesCompleter.future;
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await preferences?.remove(clashConfigKey);
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return;
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} catch (_) {
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return;
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}
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}
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Future<Config?> getConfig() async {
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final configMap = await getConfigMap();
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if (configMap == null) {
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return null;
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}
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return Config.fromJson(configMap);
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}
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Future<bool> saveConfig(Config config) async {
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final preferences = await sharedPreferencesCompleter.future;
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return preferences?.setString(configKey, json.encode(config)) ?? false;
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}
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Future<void> clearPreferences() async {
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final sharedPreferencesIns = await sharedPreferencesCompleter.future;
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await sharedPreferencesIns?.clear();
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}
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}
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final preferences = Preferences();
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