49 lines
1.4 KiB
Dart
49 lines
1.4 KiB
Dart
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import 'dart:math';
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import 'package:get/get.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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class LastReadProvider extends GetxController {
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int? _feedLastReadAt;
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int? _messagesLastReadAt;
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int? get feedLastReadAt => _feedLastReadAt;
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int? get messagesLastReadAt => _messagesLastReadAt;
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set feedLastReadAt(int? value) {
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if (value == _feedLastReadAt) return;
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_feedLastReadAt = max(_feedLastReadAt ?? 0, value ?? 0);
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if (value != _feedLastReadAt) _saveToStorage();
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}
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set messagesLastReadAt(int? value) {
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if (value == _messagesLastReadAt) return;
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_messagesLastReadAt = max(_messagesLastReadAt ?? 0, value ?? 0);
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if (value != _messagesLastReadAt) _saveToStorage();
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}
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LastReadProvider() {
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_revertFromStorage();
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}
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Future<void> _revertFromStorage() async {
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final prefs = await SharedPreferences.getInstance();
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if (prefs.containsKey('feed_last_read_at')) {
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_feedLastReadAt = prefs.getInt('feed_last_read_at')!;
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}
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if (prefs.containsKey('messages_last_read_at')) {
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_messagesLastReadAt = prefs.getInt('messages_last_read_at');
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}
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}
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Future<void> _saveToStorage() async {
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final prefs = await SharedPreferences.getInstance();
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if (_feedLastReadAt != null) {
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prefs.setInt('feed_last_read_at', _feedLastReadAt!);
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}
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if (_messagesLastReadAt != null) {
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prefs.setInt('messages_last_read_at', _messagesLastReadAt!);
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}
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}
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}
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