54 lines
1.3 KiB
Dart
54 lines
1.3 KiB
Dart
import 'dart:convert';
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import 'dart:developer';
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import 'package:flutter/material.dart';
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import 'package:marianum_mobile/storage/gradeAverages/gradeAveragesSettings.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'settings.dart';
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class SettingsProvider extends ChangeNotifier {
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static const String _fieldName = "settings";
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late SharedPreferences _storage;
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late Settings _settings = _defaults();
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Settings val({bool write = false}) {
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if(write) {
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notifyListeners();
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Future.delayed(const Duration(milliseconds: 300)).then((_) => update());
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}
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return _settings;
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}
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SettingsProvider() {
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init();
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}
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void init() async {
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_storage = await SharedPreferences.getInstance();
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if(_storage.containsKey(_fieldName)) {
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log("Settings from disk: ${_storage.getString(_fieldName)}");
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_settings = Settings.fromJson(jsonDecode(_storage.getString(_fieldName)!));
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} else {
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_settings = _defaults();
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}
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notifyListeners();
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}
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void update() async {
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await _storage.setString(_fieldName, jsonEncode(_settings.toJson()));
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}
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Settings _defaults() {
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return Settings(
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appTheme: ThemeMode.system,
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devToolsEnabled: false,
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gradeAveragesSettings: GradeAveragesSettings(
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useGradeSystem: true,
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inputs: []
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),
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);
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}
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} |