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);
     }
   }

lib/feature/device_log/device_logs_screen.dart

@@ -3,6 +3,7 @@ import 'dart:developer';
 import 'package:dropdown_button2/dropdown_button2.dart';
 import 'package:flutter/material.dart';
 import 'package:intl/intl.dart';
+import 'package:sfm_app/product/constant/app/app_constants.dart';
 import 'widgets/tag_widget.dart';
 import '../devices/device_model.dart';
 import '../../bloc/device_logs_bloc.dart';
@@ -116,9 +117,7 @@ class _DeviceLogsScreenState extends State<DeviceLogsScreen> {
                               thingID = value!;
                               setState(() {});
                             },
-                            onSaved: (value) {
-                              log("On Saved");
-                            },
+                            onSaved: (value) {},
                             iconStyleData: const IconStyleData(
                               icon: Icon(
                                 Icons.arrow_drop_down,
@@ -217,17 +216,24 @@ class _DeviceLogsScreenState extends State<DeviceLogsScreen> {
                             height: context.lowValue,
                           ),
                           Expanded(
-                            child: sensorsSnapshot.data?.isEmpty ?? false
-                                ? Center(
-                                    child: Text(appLocalization(context)
-                                        .no_data_message),
-                                  )
-                                : RefreshIndicator(
+                            child: (() {
+                              if (sensorsSnapshot.data?.isEmpty ?? false) {
+                                return StreamBuilder<String>(
+                                  stream: deviceLogsBloc.streammessage,
+                                  builder: (context, messageSnapshot) {
+                                    return Center(
+                                      child: Text(getMessageData(
+                                        messageSnapshot.data ?? '',
+                                      )),
+                                    );
+                                  },
+                                );
+                              } else {
+                                return RefreshIndicator(
                                   onRefresh: refresh,
                                   child: ListView.builder(
                                     controller: controller,
-                                      itemCount:
-                                          sensorsSnapshot.data!.length + 1,
+                                    itemCount: sensorsSnapshot.data!.length + 1,
                                     itemBuilder: (context, index) {
                                       if (index <
                                           sensorsSnapshot.data!.length) {
@@ -247,8 +253,8 @@ class _DeviceLogsScreenState extends State<DeviceLogsScreen> {
                                                 child: hasMoreSnapshot.data ??
                                                         hasMore
                                                     ? const CircularProgressIndicator()
-                                                      : Text(appLocalization(
-                                                              context)
+                                                    : Text(
+                                                        appLocalization(context)
                                                             .main_no_data),
                                               );
                                             },
@@ -257,7 +263,9 @@ class _DeviceLogsScreenState extends State<DeviceLogsScreen> {
                                       }
                                     },
                                   ),
-                                  ),
+                                );
+                              }
+                            })(),
                           ),
                         ],
                       ),
@@ -272,13 +280,22 @@ class _DeviceLogsScreenState extends State<DeviceLogsScreen> {
     );
   }
 
+  String getMessageData(String data) {
+    if (data == ApplicationConstants.LOADING) {
+      return appLocalization(context).loading_message;
+    } else if (data == ApplicationConstants.NO_DATA) {
+      return appLocalization(context).main_no_data;
+    } else {
+      return appLocalization(context).no_data_message;
+    }
+  }
+
   Widget logDetail(SensorLogs sensor, int index) {
     return Column(
       children: [
         ListTile(
           subtitle:
               Text(DeviceUtils.instance.getDeviceSensorsLog(context, sensor)),
-          // leading: leadingList(sensor),
           title: Text(
             DateTimeUtils.instance
                 .convertCurrentMillisToDateTimeString(sensor.time ?? 0),