我正在使用DRF来公开一些API端点。Django Rest Framework使用PrimaryKeyRelatedField返回嵌套对象
# models.py
class Project(models.Model):
...
assigned_to = models.ManyToManyField(
User, default=None, blank=True, null=True
)
# serializers.py
class ProjectSerializer(serializers.ModelSerializer):
assigned_to = serializers.PrimaryKeyRelatedField(
queryset=User.objects.all(), required=False, many=True)
class Meta:
model = Project
fields = ('id', 'title', 'created_by', 'assigned_to')
# view.py
class ProjectList(generics.ListCreateAPIView):
mode = Project
serializer_class = ProjectSerializer
filter_fields = ('title',)
def post(self, request, format=None):
# get a list of user.id of assigned_to users
assigned_to = [x.get('id') for x in request.DATA.get('assigned_to')]
# create a new project serilaizer
serializer = ProjectSerializer(data={
"title": request.DATA.get('title'),
"created_by": request.user.pk,
"assigned_to": assigned_to,
})
if serializer.is_valid():
serializer.save()
else:
return Response(serializer.errors,
status=status.HTTP_400_BAD_REQUEST)
return Response(serializer.data, status=status.HTTP_201_CREATED)
这一切工作正常,我可以张贴分配给领域的ID列表。但是,为了实现这个功能,我必须使用PrimaryKeyRelatedField
而不是RelatedField
。这意味着当我执行GET
时,我只收到assigned_to
字段中的用户主键。有没有办法维持POST
的当前行为,但返回assigned_to
字段的序列化User
的详细信息?
所以,我试图重写get_serializer_class()方法:'高清get_serializer_class(个体经营):打印self.request.method;如果self.request.method ==“GET”:...'但请求始终是'GET',即使在runserver中看到一个'POST'。 –