28 lines
845 B
Dart
28 lines
845 B
Dart
import 'dart:convert';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'package:time_progress_calculator/persistence/timer_entity.dart';
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class TimersRepository {
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static const String _key = "timers_repo";
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final SharedPreferences prefs;
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final JsonCodec codec;
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TimersRepository(this.prefs, {this.codec = json});
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Future<List<TimerEntity>> loadTimers() {
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final String jsonString = this.prefs.getString(_key);
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return codec
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.decode(jsonString)["timers"]
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.cast<Map<String, Object>>()
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.map<TimerEntity>(TimerEntity.fromJson)
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.toList(growable: false);
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}
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Future<bool> saveTimers(List<TimerEntity> timers) {
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final String jsonString = codec
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.encode({"timers": timers.map((timer) => timer.toJson()).toList()});
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return this.prefs.setString(_key, jsonString);
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}
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}
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