25 lines
538 B
Dart
25 lines
538 B
Dart
import 'dart:async';
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import 'package:flutter_secure_storage/flutter_secure_storage.dart';
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class UserManager {
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final FlutterSecureStorage _storage;
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UserManager(this._storage);
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Future<List<int>> loadLocalUserIds() async {
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return await _storage.readAll().then((userMap) {
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userMap.keys
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.where((id) => _isNumeric(id))
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.map((idString) => int.tryParse(idString));
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});
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}
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bool _isNumeric(String str) {
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if (str == null) {
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return false;
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}
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return double.tryParse(str) != null;
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}
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}
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