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How to get data from multiple nested serializer?

.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty height:90px;width:728px;box-sizing:border-box;

0

serializer

class CarrGetOrderDetails(serializers.Serializer):
 order = CarrGetOrderDetail(required=False)
 template = CarrGetOrderDetailTemplate(required=False, many=True)
 extra_fields = CarrGetOrderDetailExtraFields(required=False, many=True)

View File

class CarrierOrderDetails(APIView):
 permission_classes = (IsAuthenticated,)

 def get(self, request):
 order_id = request.GET['order_id']
 #order_obj = Order.objects.filter(id=order_id)

 obj = self.get_objects(order_id)
 #print('#####',obj)
 serializ = CarrGetOrderDetails(obj, many=True)
 return Response(serializ.data)

 def get_objects(self, order_obj):
 model1 = Order.objects.filter(id=order_obj)
 model2 = OrderTemplate.objects.filter(id=1)
 model3 = OrderExtraField.objects.filter(id=1)
 obj = 'order': model1, 'template': model2, 'extra_fields': model3
 return obj

here i'm try to hit multiple serializer objects but got null data in serializer.data

Output

[
,
,

]

django serialization django-models django-rest-framework

share|improve this question

edited Mar 22 at 7:54

Dany

2,1901721

asked Mar 22 at 5:43

kriteshkritesh

12

add a comment | 

0

serializer

class CarrGetOrderDetails(serializers.Serializer):
 order = CarrGetOrderDetail(required=False)
 template = CarrGetOrderDetailTemplate(required=False, many=True)
 extra_fields = CarrGetOrderDetailExtraFields(required=False, many=True)

View File

class CarrierOrderDetails(APIView):
 permission_classes = (IsAuthenticated,)

 def get(self, request):
 order_id = request.GET['order_id']
 #order_obj = Order.objects.filter(id=order_id)

 obj = self.get_objects(order_id)
 #print('#####',obj)
 serializ = CarrGetOrderDetails(obj, many=True)
 return Response(serializ.data)

 def get_objects(self, order_obj):
 model1 = Order.objects.filter(id=order_obj)
 model2 = OrderTemplate.objects.filter(id=1)
 model3 = OrderExtraField.objects.filter(id=1)
 obj = 'order': model1, 'template': model2, 'extra_fields': model3
 return obj

here i'm try to hit multiple serializer objects but got null data in serializer.data

Output

[
,
,

]

django serialization django-models django-rest-framework

share|improve this question

edited Mar 22 at 7:54

Dany

2,1901721

asked Mar 22 at 5:43

kriteshkritesh

12

add a comment | 

serializer

class CarrGetOrderDetails(serializers.Serializer):
 order = CarrGetOrderDetail(required=False)
 template = CarrGetOrderDetailTemplate(required=False, many=True)
 extra_fields = CarrGetOrderDetailExtraFields(required=False, many=True)

View File

class CarrierOrderDetails(APIView):
 permission_classes = (IsAuthenticated,)

 def get(self, request):
 order_id = request.GET['order_id']
 #order_obj = Order.objects.filter(id=order_id)

 obj = self.get_objects(order_id)
 #print('#####',obj)
 serializ = CarrGetOrderDetails(obj, many=True)
 return Response(serializ.data)

 def get_objects(self, order_obj):
 model1 = Order.objects.filter(id=order_obj)
 model2 = OrderTemplate.objects.filter(id=1)
 model3 = OrderExtraField.objects.filter(id=1)
 obj = 'order': model1, 'template': model2, 'extra_fields': model3
 return obj

here i'm try to hit multiple serializer objects but got null data in serializer.data

Output

[
,
,

]

django serialization django-models django-rest-framework

share|improve this question

edited Mar 22 at 7:54

Dany

2,1901721

asked Mar 22 at 5:43

kriteshkritesh

12

class CarrGetOrderDetails(serializers.Serializer):
 order = CarrGetOrderDetail(required=False)
 template = CarrGetOrderDetailTemplate(required=False, many=True)
 extra_fields = CarrGetOrderDetailExtraFields(required=False, many=True)

class CarrierOrderDetails(APIView):
 permission_classes = (IsAuthenticated,)

 def get(self, request):
 order_id = request.GET['order_id']
 #order_obj = Order.objects.filter(id=order_id)

 obj = self.get_objects(order_id)
 #print('#####',obj)
 serializ = CarrGetOrderDetails(obj, many=True)
 return Response(serializ.data)

 def get_objects(self, order_obj):
 model1 = Order.objects.filter(id=order_obj)
 model2 = OrderTemplate.objects.filter(id=1)
 model3 = OrderExtraField.objects.filter(id=1)
 obj = 'order': model1, 'template': model2, 'extra_fields': model3
 return obj

[
,
,

]

share|improve this question

edited Mar 22 at 7:54

Dany

2,1901721

asked Mar 22 at 5:43

kriteshkritesh

12

share|improve this question

edited Mar 22 at 7:54

Dany

2,1901721

asked Mar 22 at 5:43

kriteshkritesh

12

edited Mar 22 at 7:54

Dany

2,1901721

edited Mar 22 at 7:54

Dany

2,1901721

asked Mar 22 at 5:43

kriteshkritesh

12

asked Mar 22 at 5:43

kriteshkritesh

12

1 Answer
1

active

oldest

votes

1

You are initializing your serializer with many=True, so it is expecting a list of objects. You should either pass in a list of objects as the first argument to the serializer class constructor or remove the many=True kwarg.

Also, since you are passing in a dictionary, I would use the data=... kwarg instead of the first argument which is instance.

As a quick test, you can perform the following modification:

obj = self.get_objects(order_id)
serializ = CarrGetOrderDetails(obj, many = True)

obj = self.get_objects(order_id)
serializ = CarrGetOrderDetails(data=[obj], many = True)

References

• DRF Serializer Documentation


• serializers.py:BaseSerializer

share|improve this answer

answered Mar 22 at 6:04

Joshua Taylor EppinetteJoshua Taylor Eppinette

1656

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  thanks for reply!! i tried to make change but problem is Invalid data. Expected a dictionary, but got QuerySet.
  
  – kritesh
  Mar 22 at 7:30
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Now you are onto the next issue. Your order field is many=False, but you are passing a list of objects via queryset. You can either make the field many=True or only provide it a single object by appending .first() to the order filter in your get objects function.
  
  – Joshua Taylor Eppinette
  Mar 22 at 7:46
  
  

  
  
  
  

add a comment | 

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1

You are initializing your serializer with many=True, so it is expecting a list of objects. You should either pass in a list of objects as the first argument to the serializer class constructor or remove the many=True kwarg.

Also, since you are passing in a dictionary, I would use the data=... kwarg instead of the first argument which is instance.

As a quick test, you can perform the following modification:

obj = self.get_objects(order_id)
serializ = CarrGetOrderDetails(obj, many = True)

obj = self.get_objects(order_id)
serializ = CarrGetOrderDetails(data=[obj], many = True)

References

• DRF Serializer Documentation


• serializers.py:BaseSerializer

share|improve this answer

answered Mar 22 at 6:04

Joshua Taylor EppinetteJoshua Taylor Eppinette

1656

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  thanks for reply!! i tried to make change but problem is Invalid data. Expected a dictionary, but got QuerySet.
  
  – kritesh
  Mar 22 at 7:30
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Now you are onto the next issue. Your order field is many=False, but you are passing a list of objects via queryset. You can either make the field many=True or only provide it a single object by appending .first() to the order filter in your get objects function.
  
  – Joshua Taylor Eppinette
  Mar 22 at 7:46
  
  

  
  
  
  

add a comment | 

1

You are initializing your serializer with many=True, so it is expecting a list of objects. You should either pass in a list of objects as the first argument to the serializer class constructor or remove the many=True kwarg.

Also, since you are passing in a dictionary, I would use the data=... kwarg instead of the first argument which is instance.

As a quick test, you can perform the following modification:

obj = self.get_objects(order_id)
serializ = CarrGetOrderDetails(obj, many = True)

obj = self.get_objects(order_id)
serializ = CarrGetOrderDetails(data=[obj], many = True)

References

• DRF Serializer Documentation


• serializers.py:BaseSerializer

share|improve this answer

answered Mar 22 at 6:04

Joshua Taylor EppinetteJoshua Taylor Eppinette

1656

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  thanks for reply!! i tried to make change but problem is Invalid data. Expected a dictionary, but got QuerySet.
  
  – kritesh
  Mar 22 at 7:30
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Now you are onto the next issue. Your order field is many=False, but you are passing a list of objects via queryset. You can either make the field many=True or only provide it a single object by appending .first() to the order filter in your get objects function.
  
  – Joshua Taylor Eppinette
  Mar 22 at 7:46
  
  

  
  
  
  

add a comment | 

You are initializing your serializer with many=True, so it is expecting a list of objects. You should either pass in a list of objects as the first argument to the serializer class constructor or remove the many=True kwarg.

Also, since you are passing in a dictionary, I would use the data=... kwarg instead of the first argument which is instance.

As a quick test, you can perform the following modification:

obj = self.get_objects(order_id)
serializ = CarrGetOrderDetails(obj, many = True)

obj = self.get_objects(order_id)
serializ = CarrGetOrderDetails(data=[obj], many = True)

References

• DRF Serializer Documentation


• serializers.py:BaseSerializer

share|improve this answer

answered Mar 22 at 6:04

Joshua Taylor EppinetteJoshua Taylor Eppinette

1656

obj = self.get_objects(order_id)
serializ = CarrGetOrderDetails(obj, many = True)

obj = self.get_objects(order_id)
serializ = CarrGetOrderDetails(data=[obj], many = True)

share|improve this answer

answered Mar 22 at 6:04

Joshua Taylor EppinetteJoshua Taylor Eppinette

1656

answered Mar 22 at 6:04

Joshua Taylor EppinetteJoshua Taylor Eppinette

1656

answered Mar 22 at 6:04

Joshua Taylor EppinetteJoshua Taylor Eppinette

1656