I have a model with unique_together on the user and the created date
class ModelClass(models.Model):
created = models.DateField(_("Date"), default=datetime.date.today,
editable=True)
user = models.ForeignKey(AUTH_USER_MODEL)
class Meta:
unique_together = ('created', 'user')
On my ModelViewSet I had a perform_create that would default the user with
the user in the request.
class MyModelViewSet(viewsets.ModelViewSet):
def get_queryset(self):
user = self.request.user
model = getattr(self.serializer_class.Meta, 'model')
return model.objects.filter(user=user)
def perform_create(self, serializer):
serializer.save(user = self.request.user)
Once I added the unique_together to the model posts now fail. The reason
is that the create and is_valid happens before the perform_create() method.
I am looking at a way to add the request.user to the serializer object
before the is_valid is called. I tried overloading the serializer and
adding the user a few different ways.
def create(self, request, *args, **kwargs):
# try 1
request.data['user'] = request.user.id
serializer = self.get_serializer(data=request.data)
# try 2
serializer = serializers.MySerializer()
serializer.data = request.data
serializer.data.user = self.request.user
# try 3
request.data['user'] = request.user.id
return super(MyModelViewSet, self).post(request, *args, **kwargs)
Everytime I post, I get the following error:
{
"user": [
"This field is required."
]
}
Thanks.
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