asset room model fix

lib/models/device/asset_by_id_model.dart

@@ -20,7 +20,7 @@ class AssetByIdModel {
   AssetReplace building;
   AssetReplace floor;
   Department department;
-  String room;
+  Lookup room;
   int testsDay;
   num purchasingPrice;
   String nbv;
@@ -133,7 +133,6 @@ class AssetByIdModel {
       });
     }
     id = json['id'];
-    print("supplier:${json['supplier']}");
     modelDefinition = json['modelDefinition'] != null ? new ModelDefinition.fromJson(json['modelDefinition']) : null;
     supplier = json['supplier'] != null ? Suppliers.fromJson(json['supplier']) : null;
     ipAddress = json['ipAddress'];
@@ -150,7 +149,7 @@ class AssetByIdModel {
     building = json['building'] != null ? new AssetReplace.fromJson(json['building']) : null;
     floor = json['floor'] != null ? new AssetReplace.fromJson(json['floor']) : null;
     department = json['department'] != null ? new Department.fromJson(json['department']) : null;
-    room = json['room'];
+    room = json['room'] != null ? new Lookup.fromJson(json['room']) : null;
     testsDay = json['testsDay'];
     purchasingPrice = json['purchasingPrice'];
     nbv = json['nbv'];
@@ -244,7 +243,7 @@ class AssetByIdModel {
     if (this.department != null) {
       data['department'] = this.department.toJson();
     }
-    data['room'] = this.room;
+    data['room'] = this.room.toJson();
     data['testsDay'] = this.testsDay;
     data['purchasingPrice'] = this.purchasingPrice;
     data['nbv'] = this.nbv;