fix(bugs): update message when in progress

lib/bloc/device_logs_bloc.dart

@@ -4,6 +4,7 @@ import 'dart:developer';
 
 import 'package:sfm_app/feature/devices/device_model.dart';
 import 'package:sfm_app/product/base/bloc/base_bloc.dart';
+import 'package:sfm_app/product/constant/app/app_constants.dart';
 import 'package:sfm_app/product/services/api_services.dart';
 import 'package:sfm_app/product/utils/date_time_utils.dart';
 
@@ -28,6 +29,10 @@ class DeviceLogsBloc extends BlocBase {
   StreamSink<List<SensorLogs>> get sinkSensors => sensors.sink;
   Stream<List<SensorLogs>> get streamSensors => sensors.stream;
 
+  final message = StreamController<String>.broadcast();
+  StreamSink<String> get sinkmessage => message.sink;
+  Stream<String> get streammessage => message.stream;
+
   @override
   void dispose() {}
 
@@ -49,11 +54,10 @@ class DeviceLogsBloc extends BlocBase {
     DateTime fromDate,
     List<SensorLogs> sensors,
   ) async {
-    log("SensorLength: ${sensors.length}");
+    sinkmessage.add(ApplicationConstants.LOADING);
     String fromDateString =
         DateTimeUtils.instance.formatDateTimeToString(fromDate);
     String now = DateTimeUtils.instance.formatDateTimeToString(DateTime.now());
-    // List<SensorLogs> sensors = [];
     Map<String, dynamic> params = {
       'thing_id': thingID,
       'from': fromDateString,
@@ -74,8 +78,9 @@ class DeviceLogsBloc extends BlocBase {
         for (var sensor in devicesListLog.sensors!) {
           sensors.add(sensor);
         }
+      } else {
+        sinkmessage.add(ApplicationConstants.NO_DATA);
       }
-
       sinkSensors.add(sensors);
     }
   }