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connect all devices to real-time and change the channel function

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mohammad
2025-02-16 14:54:39 +03:00
parent cd41720244
commit 2dc4e16a75
16 changed files with 746 additions and 172 deletions
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lib/features/devices/bloc/ceiling_bloc/ceiling_sensor_bloc.dart
+42 -5
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@@ -1,3 +1,4 @@
import 'dart:async';
import 'dart:convert';
import 'package:dio/dio.dart';
@@ -42,28 +43,64 @@ class CeilingSensorBloc extends Bloc<CeilingSensorEvent, CeilingSensorState> {
}
}
_listenToChanges() {
StreamSubscription<DatabaseEvent>? _streamSubscription;
Timer? _timer;
void _listenToChanges() {
try {
_streamSubscription?.cancel();
DatabaseReference ref =
FirebaseDatabase.instance.ref('device-status/$deviceId');
Stream<DatabaseEvent> stream = ref.onValue;
stream.listen((DatabaseEvent event) {
_streamSubscription = stream.listen((DatabaseEvent event) async {
if (_timer != null) {
await Future.delayed(const Duration(seconds: 2));
}
Map<dynamic, dynamic> usersMap =
event.snapshot.value as Map<dynamic, dynamic>;
List<StatusModel> statusList = [];
usersMap['status'].forEach((element) {
statusList
.add(StatusModel(code: element['code'], value: element['value']));
});
deviceStatus = CeilingSensorModel.fromJson(statusList);
add(CeilingSensorUpdated());
if (!isClosed) {
add(CeilingSensorUpdated());
}
});
} catch (_) {}
}
@override
Future<void> close() async {
_streamSubscription?.cancel();
_streamSubscription = null;
return super.close();
}
// _listenToChanges() {
// try {
// DatabaseReference ref =
// FirebaseDatabase.instance.ref('device-status/$deviceId');
// Stream<DatabaseEvent> stream = ref.onValue;
// stream.listen((DatabaseEvent event) {
// Map<dynamic, dynamic> usersMap =
// event.snapshot.value as Map<dynamic, dynamic>;
// List<StatusModel> statusList = [];
// usersMap['status'].forEach((element) {
// statusList
// .add(StatusModel(code: element['code'], value: element['value']));
// });
// deviceStatus = CeilingSensorModel.fromJson(statusList);
// add(CeilingSensorUpdated());
// });
// } catch (_) {}
// }
_onCeilingSensorUpdated(
CeilingSensorUpdated event, Emitter<CeilingSensorState> emit) {
emit(UpdateState(ceilingSensorModel: deviceStatus));