How to call serializer's create() method from one serializer
Solution 1
You can call the CustomerSerializer
from the create
method inside the UserSerializer
. E.G.
class UserSerializer(serializers.ModelSerializer):
def create(self, validated_data):
customer_serializer = CustomerSerializer(validated_data.get('customer'))
customer_serializer.save()
return User.objects.create(**validated_data)
class Meta:
model = User
fields = '__all__'
Solution 2
@Edwin...The solution is perfect just the thing I have made some changes in my data dictionary and send it to "CustomerSerializer" as bellow, and it started working. Thanks for your help and bellow code works for me now.
class UserSerializer(serializers.ModelSerializer):
def get_serializer_context(self):
return self.context['request'].data
def create(self, validated_data):
request_data = dict(self.get_serializer_context())
cust_req_data = {'first_name':request_data['first_name'][0],
'last_name':request_data['last_name'][0],
'email':request_data['email'][0]
}
customer_serializer = CustomerSerializer(data=cust_req_data)
if customer_serializer.is_valid():
customer_serializer.save()
return User.objects.create(**validated_data)
class Meta:
model = User
fields = '__all__'
class CustomerSerializer(serializers.ModelSerializer):
def create(self, validated_data):
return Customer.objects.create(**validated_data)
class Meta:
model = Customer
fields = '__all__'
Also "if customer_serializer.is_valid():" this condition is required before saving object using CustomerSerializer
I have added "data" which is dict which i need to validate for my customer data fields,
since as I have explained previously that this is POST request I'm sending some data which is required to store user using UserSerializer and some data is required to store customer using CustomerSerializer using one user api itself.
so "get_serializer_context" method gives the entire post request data from that I get only those fields which are required to save customer and I have passed that dict as parameter to CustomerSerializer
"customer_serializer = CustomerSerializer(data=cust_req_data)"
This works for me.
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Sunny Chaudhari
Updated on January 20, 2020Comments
-
Sunny Chaudhari over 4 years
I have two serializers, "UserSerializer" and "CustomerSerializer" as bellow
class UserSerializer(serializers.ModelSerializer): def create(self, validated_data): return User.objects.create(**validated_data) class Meta: model = User fields = '__all__' class CustomerSerializer(serializers.ModelSerializer): def create(self, validated_data): return Customer.objects.create(**validated_data) class Meta: model = Customer fields = '__all__'
When I hit user api with POST request, it calls UserSerializer's create method which saves user object.
Now while saving user I want to save customer object as well, using user api. So for from UserSerializer's create method I want to call CustomerSerializer's create() method in order to save customer object as well. How do I do that ?