Refactor device info model to handle optional fields more efficiently

Refactor Action class constructor to handle optional fields more effi…

lib/features/devices/bloc/flush_sensor_bloc/flush_sensor_bloc.dart

@@ -171,6 +171,7 @@ class FlushSensorBloc extends Bloc<FlushSensorEvent, FlushSensorState> {
       deviceInfo = DeviceInfoModel.fromJson(response);
       deviceName = deviceInfo.name;
       emit(FlushSensorLoadingDeviceInfo(deviceInfo: deviceInfo));
+      emit(FlushSensorUpdateState(flushSensorModel: deviceStatus));
     } catch (e) {
       emit(FlushSensorFailedState(error: e.toString()));
     }

lib/features/devices/model/device_info_model.dart

@@ -55,31 +55,33 @@ class DeviceInfoModel {
 
   factory DeviceInfoModel.fromJson(Map<String, dynamic> json) {
     return DeviceInfoModel(
-      activeTime: json['activeTime'],
-      category: json['category'],
-      categoryName: json['categoryName'],
-      createTime: json['createTime'],
-      gatewayId: json['gatewayId'],
-      icon: json['icon'],
+      activeTime: json['activeTime'] ?? '',
+      category: json['category'] ?? '',
+      categoryName: json['categoryName'] ?? '',
+      createTime: json['createTime'] ?? '',
+      gatewayId: json['gatewayId'] ?? '',
+      icon: json['icon'] ?? '',
       ip: json['ip'] ?? "",
-      lat: json['lat'],
-      localKey: json['localKey'],
-      lon: json['lon'],
-      model: json['model'],
-      name: json['name'],
-      nodeId: json['nodeId'],
-      online: json['online'],
-      ownerId: json['ownerId'],
-      productName: json['productName'],
-      sub: json['sub'],
-      timeZone: json['timeZone'],
-      updateTime: json['updateTime'],
-      uuid: json['uuid'],
-      productUuid: json['productUuid'],
-      productType: json['productType'],
+      lat: json['lat'] ?? '',
+      localKey: json['localKey'] ?? '',
+      lon: json['lon'] ?? '',
+      model: json['model'] ?? '',
+      name: json['name'] ?? '',
+      nodeId: json['nodeId'] ?? '',
+      online: json['online'] ?? '',
+      ownerId: json['ownerId'] ?? '',
+      productName: json['productName'] ?? '',
+      sub: json['sub'] ?? '',
+      timeZone: json['timeZone'] ?? '',
+      updateTime: json['updateTime'] ?? '',
+      uuid: json['uuid'] ?? '',
+      productUuid: json['productUuid'] ?? '',
+      productType: json['productType'] ?? '',
       permissionType: json['permissionType'] ?? '',
-      macAddress: json['macAddress'],
-      subspace: Subspace.fromJson(json['subspace']),
+      macAddress: json['macAddress'] ?? '',
+      subspace: json['subspace'] != null
+          ? Subspace.fromJson(json['subspace'])
+          : throw ArgumentError('subspace cannot be null'),
     );
   }
 
@@ -129,10 +131,10 @@ class Subspace {
 
   factory Subspace.fromJson(Map<String, dynamic> json) {
     return Subspace(
-      uuid: json['uuid'],
-      createdAt: json['createdAt'],
-      updatedAt: json['updatedAt'],
-      subspaceName: json['subspaceName'],
+      uuid: json['uuid'] ?? '',
+      createdAt: json['createdAt'] ?? '',
+      updatedAt: json['updatedAt'] ?? '',
+      subspaceName: json['subspaceName'] ?? '',
     );
   }
 

lib/features/scene/model/scene_details_model.dart

@@ -90,44 +90,25 @@ class Action {
   String toRawJson() => json.encode(toJson());
 
   static Action? fromJson(Map<String, dynamic> json) {
-    // Safely extract required fields with null checks
     final String? actionExecutor = json["actionExecutor"] as String?;
     final String? entityId = json["entityId"] as String?;
-    final String? productType = json['productType'] as String?;
-    final String? deviceName = json['deviceName'] as String?;
 
-    // Skip invalid actions with missing required fields
-    if (actionExecutor == null ||
-        entityId == null ||
-        productType == null ||
-        deviceName == null) {
+   
+    if (actionExecutor == null || entityId == null) {
       return null;
     }
 
-    // Handle actions with 'name' and 'type'
-    if (json['name'] != null && json['type'] != null) {
-      return Action(
-        actionExecutor: actionExecutor,
-        entityId: entityId,
-        name: json['name'] as String?,
-        type: json['type'] as String?,
-        productType: productType,
-        deviceName: deviceName,
-      );
-    }
-
-    // Handle actions with 'executorProperty'
-    if (json["executorProperty"] != null) {
-      return Action(
-        actionExecutor: actionExecutor,
-        entityId: entityId,
-        executorProperty: ExecutorProperty.fromJson(json["executorProperty"]),
-        productType: productType,
-        deviceName: deviceName,
-      );
-    }
-
-    return null; // Skip invalid actions
+    return Action(
+      actionExecutor: actionExecutor,
+      entityId: entityId,
+      executorProperty: json["executorProperty"] != null
+          ? ExecutorProperty.fromJson(json["executorProperty"])
+          : null,
+      name: json['name'] as String?,
+      type: json['type'] as String?,
+      productType: json['productType'] as String? ?? 'unknown', 
+      deviceName: json['deviceName'] as String? ?? 'Delay Action', 
+    );
   }
 
   Map<String, dynamic> toJson() => {