将request.data映射到onetoone字段中

Question

我有一个JSON请求数据，如下所示，我想使用Django序列化程序和视图来处理它，以便使用POST请求在数据库中创建记录。

{
"username":"user1",
"first_name":"name1",
"email":"[e-mail]",
"phone": "123456",
"app_id": "435673339303abc"
}

下面是我的Django数据库模型和序列化程序，其中创建了一个自定义用户模型，该模型有一个onetoone Django用户模型：

型号.py

from django.contrib.auth.models import User
from django.db import models

class CustomUserModel(models.Model):
user = models.OneToOneField(User, on_delete=models.CASCADE)
phone = models.CharField(max_length=20, blank=True)
app_id = models.CharField(max_length=20, blank=True)

序列化程序.py

class UserSerializer(serializers.ModelSerializer):
class Meta:
model = User
fields = ('username', 'first_name', 'email')

class CustomUserSerializer(serializers.ModelSerializer):
user = UserSerializer(required=True)
class Meta:
model = CustomUserModel
fields = ('user', 'phone', 'app_id')
def create(self, validated_data):
user_data = validated_data.pop('user')
user = UserSerializer.create(UserSerializer(), validated_data=user_data)
customuser, created = CustomUserModel.objects.update_or_create(user=user, defaults={
'phone': validated_data.pop('phone'),
'app_id': validated_data.pop('app_id')})
return customuser

视图.py

class usersApi(generics.ListAPIView):
serializer_class = CustomUserSerializer
def get_queryset(self):
queryset = CustomUserModel.objects.all()
return queryset
def post(self, request, format=None):
serializer = CustomUserSerializer(data=request.data)
if serializer.is_valid(raise_exception=ValueError):
serializer.create(validated_data=request.data)
return Response(serializer.data, status=status.HTTP_201_CREATED)
return Response(serializer.error_messages,
status=status.HTTP_400_BAD_REQUEST)

但是使用这个序列化程序和视图，我必须传递一个嵌套的json数据，如下所示，带有我不想传递的用户对象

{
"user":
{
"username":"user1",
"first_name":"name1",
"email":"[e-mail]"
},
"phone": "123456",
"app_id": "435673339303abc"
}

Answer 1

您可以从视图中的CustomUserModel中获取行。CustomUserModel.objects.get(user=request.user_id(

Answer 2

经过几次迭代，我找到了一种方法，将请求数据映射到字典中。视图.py

class usersApi(generics.ListAPIView):
serializer_class = CustomUserSerializer
def get_queryset(self):
queryset = CustomUserModel.objects.all()
return queryset
def post(self, request, format=None):
username = request.data['username']
first_name = request.data['first_name']
email = request.data['email']
phone = request.data['phone']
app_id = request.data['app_id']
user_data = {'user': {'username': username, 'first_name': first_name, 'email': email}, 'phone': phone,
'app_id': app_id}
serializer = CustomUserSerializer(data=user_data)
if serializer.is_valid(raise_exception=ValueError):
serializer.create(validated_data=user_data)
return Response(serializer.data, status=status.HTTP_201_CREATED)
return Response(serializer.error_messages,
status=status.HTTP_400_BAD_REQUEST)