Files
MaggsVictoryVoyage/lib/services/profiles_provider.dart
2023-10-20 23:21:36 +02:00

32 lines
798 B
Dart

import 'package:flutter/material.dart';
import '../models/profile.dart';
import 'db_helper.dart';
class Profiles extends ChangeNotifier {
final List<Profile> _profiles = [];
Stream<List<Map<String, dynamic>>>? _profilesStream;
List<Profile> get profiles {
if (_profilesStream == null) {
DbHelper.fetchProfiles().then((value) {
_profiles.clear();
_profiles.addAll(value);
});
_profilesStream = DbHelper.profilesStream;
_profilesStream!.listen(
(event) => _updateProfile(event),
);
}
return _profiles;
}
_updateProfile(List<Map<String, dynamic>> data) {
final List<Profile> profiles = data.map((e) => Profile.fromMap(e)).toList();
_profiles.clear();
_profiles.addAll(profiles);
notifyListeners();
}
}