Create Gas Refill Bug Fixed

lib/controllers/providers/api/gas_refill_provider.dart

@@ -91,22 +91,23 @@ class GasRefillProvider extends ChangeNotifier {
     @required User user,
     @required GasRefillModel model,
   }) async {
+    print("ss");
     Map<String, dynamic> body = {
       "uid": user.id.toString(),
       "token": user.token ?? "",
       "building": {"id": building?.id, "name": building?.name, "value": building?.value},
-      "floor": {"id": floor.id, "name": floor.name, "value": floor.value},
-      if (expectedDateTime != null) "expectedDate": expectedDateTime,
-      if (expectedDateTime != null) "expectedTime": expectedDateTime,
-      if (startDate != null) "startDate": startDate,
-      if (startDate != null) "startTime": startDate,
-      if (endDate != null) "endDate": endDate,
-      if (endDate != null) "endTime": endDate,
-      "department": {"id": department.id, "departmentName": department.name, "departmentCode": "", "ntCode": ""},
+      "floor": {"id": floor?.id, "name": floor?.name, "value": floor?.value},
+      if (expectedDateTime != null) "expectedDate": expectedDateTime?.toIso8601String(),
+      if (expectedDateTime != null) "expectedTime": expectedDateTime?.toIso8601String(),
+      if (startDate != null) "startDate": startDate?.toIso8601String(),
+      if (startDate != null) "startTime": startDate?.toIso8601String(),
+      if (endDate != null) "endDate": endDate?.toIso8601String(),
+      if (endDate != null) "endTime": endDate?.toIso8601String(),
+      "department": {"id": department?.id, "departmentName": department?.name, "departmentCode": "", "ntCode": ""},
       "GazRefillNo": "GR-${DateTime.now().toString().split(" ").first}",
       "status": model.status.toMap(),
     };
-
+    print("ss1");
     body["gazRefillDetails"] = model.details
         .map((model) => {
               "gasType": model.type.toMap(),
@@ -119,6 +120,7 @@ class GasRefillProvider extends ChangeNotifier {
     Response response;
     try {
       response = await ApiManager.instance.post(URLs.requestGasRefill, body: body);
+      print("ss2");
       stateCode = response.statusCode;
       if (response.statusCode >= 200 && response.statusCode < 300) {
         if (items != null) {
@@ -128,6 +130,7 @@ class GasRefillProvider extends ChangeNotifier {
       }
       return response.statusCode;
     } catch (error) {
+      print(error);
       return -1;
     }
   }