42 lines
1.2 KiB
Dart
42 lines
1.2 KiB
Dart
import 'dart:async';
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import 'dart:convert';
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import 'package:fires_flutter/models/yourLocation.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import '../globals.dart' as globals;
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final String locationKey = 'yourlocations';
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Future<List<YourLocation>> loadYourLocations() async {
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return await globals.prefs.then((prefs) {
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return loadYourLocationsWithPrefs(prefs);
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});
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}
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persistYourLocations(List<YourLocation> yl) {
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globals.prefs.then((prefs) {
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List<String> yourLocationsAsString = [];
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yl.forEach((location) {
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yourLocationsAsString.add(json.encode(location.toJson()));
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});
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prefs.setStringList(locationKey, yourLocationsAsString);
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});
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}
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Future<List<YourLocation>> loadYourLocationsWithPrefs(
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SharedPreferences prefs) async {
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return await globals.prefs.then((prefs) {
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List<String> yourLocations = prefs.getStringList(locationKey);
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if (yourLocations == null) {
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yourLocations = [];
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persistYourLocations(<YourLocation>[]);
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}
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List<YourLocation> persistedList = List<YourLocation>();
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yourLocations.forEach((locationString) {
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Map locationMap = json.decode(locationString);
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persistedList.add(YourLocation.fromJson(locationMap));
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});
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return persistedList;
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});
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}
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