Files
syncrow-web/lib/pages/device_managment/ac/bloc/ac_bloc.dart
2024-08-27 18:49:59 +03:00

137 lines
3.9 KiB
Dart

import 'dart:async';
import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:syncrow_web/pages/device_managment/all_devices/models/device_status.dart';
import 'package:syncrow_web/pages/device_managment/ac/bloc/ac_event.dart';
import 'package:syncrow_web/pages/device_managment/ac/bloc/ac_state.dart';
import 'package:syncrow_web/pages/device_managment/ac/model/ac_model.dart';
import 'package:syncrow_web/services/devices_mang_api.dart';
class AcBloc extends Bloc<AcsEvent, AcsState> {
late AcStatusModel deviceStatus;
final String deviceId;
Timer? _timer;
AcBloc({required this.deviceId}) : super(AcsInitialState()) {
on<AcFetchDeviceStatus>(_onFetchAcStatus);
on<AcControl>(_onAcControl);
}
FutureOr<void> _onFetchAcStatus(
AcFetchDeviceStatus event, Emitter<AcsState> emit) async {
emit(AcsLoadingState());
try {
final status =
await DevicesManagementApi().getDeviceStatus(event.deviceId);
deviceStatus = AcStatusModel.fromJson(event.deviceId, status.status);
emit(ACStatusLoaded(deviceStatus));
} catch (e) {
emit(AcsFailedState(error: e.toString()));
}
}
FutureOr<void> _onAcControl(AcControl event, Emitter<AcsState> emit) async {
final oldValue = _getValueByCode(event.code);
_updateLocalValue(event.code, event.value, emit);
emit(ACStatusLoaded(deviceStatus));
await _runDebounce(
deviceId: event.deviceId,
code: event.code,
value: event.value,
oldValue: oldValue,
emit: emit,
);
}
Future<void> _runDebounce({
required String deviceId,
required String code,
required dynamic value,
required dynamic oldValue,
required Emitter<AcsState> emit,
}) async {
if (_timer != null) {
_timer!.cancel();
}
_timer = Timer(const Duration(seconds: 1), () async {
try {
final response = await DevicesManagementApi()
.deviceControl(deviceId, Status(code: code, value: value));
if (!response) {
_revertValueAndEmit(deviceId, code, oldValue, emit);
}
} catch (e) {
if (e is DioException && e.response != null) {
debugPrint('Error response: ${e.response?.data}');
}
_revertValueAndEmit(deviceId, code, oldValue, emit);
}
});
}
void _revertValueAndEmit(
String deviceId, String code, dynamic oldValue, Emitter<AcsState> emit) {
_updateLocalValue(code, oldValue, emit);
emit(ACStatusLoaded(deviceStatus));
emit(const AcsFailedState(error: 'Failed to control the device.'));
}
void _updateLocalValue(String code, dynamic value, Emitter<AcsState> emit) {
switch (code) {
case 'switch':
if (value is bool) {
deviceStatus = deviceStatus.copyWith(acSwitch: value);
}
break;
case 'temp_set':
if (value is int) {
deviceStatus = deviceStatus.copyWith(tempSet: value);
}
break;
case 'mode':
if (value is String) {
deviceStatus = deviceStatus.copyWith(
modeString: value,
);
}
break;
case 'level':
if (value is String) {
deviceStatus = deviceStatus.copyWith(
fanSpeedsString: value,
);
}
break;
case 'child_lock':
if (value is bool) {
deviceStatus = deviceStatus.copyWith(childLock: value);
}
break;
default:
break;
}
emit(ACStatusLoaded(deviceStatus));
}
dynamic _getValueByCode(String code) {
switch (code) {
case 'switch':
return deviceStatus.acSwitch;
case 'temp_set':
return deviceStatus.tempSet;
case 'mode':
return deviceStatus.modeString;
case 'level':
return deviceStatus.fanSpeedsString;
case 'child_lock':
return deviceStatus.childLock;
default:
return null;
}
}
}