| 1 | import 'dart:async'; |
| 2 | |
| 3 | import 'package:cake_wallet/utils/mobx.dart'; |
| 4 | import 'package:hive/hive.dart'; |
| 5 | import 'package:cw_core/keyable.dart'; |
| 6 | |
| 7 | abstract class Record<T extends HiveObject> with Keyable { |
| 8 | Record(this._source, this.original) { |
| 9 | key = original.key; |
| 10 | _listener?.cancel(); |
| 11 | _listener = _source.watch(key: original.key).listen((event) { |
| 12 | if (!event.deleted) { |
| 13 | fromBind(event.value as T); |
| 14 | } |
| 15 | }); |
| 16 | |
| 17 | fromBind(original); |
| 18 | toBind(original); |
| 19 | } |
| 20 | |
| 21 | dynamic key; |
| 22 | |
| 23 | @override |
| 24 | dynamic get keyIndex => key; |
| 25 | |
| 26 | final T original; |
| 27 | |
| 28 | final Box<T> _source; |
| 29 | |
| 30 | StreamSubscription<BoxEvent>? _listener; |
| 31 | |
| 32 | void fromBind(T original); |
| 33 | |
| 34 | void toBind(T original); |
| 35 | |
| 36 | Future<void> save() => original.save(); |
| 37 | } |