def put(self, request, pk, format=None):
     model = self.get_object(pk)
     serializer = QModelSerializer(model, data=request.data, context={"request": request})
     if serializer.is_valid():
         serializer.save()
         return Response(serializer.data)
     return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
 def post(self, request, format=None):
     model = QModelSerializer(data=request.data, context={"request": request})
     if model.is_valid():
         model.save()
         return Response(model.data, status=status.HTTP_201_CREATED)
     else:
         return Response(model.errors, status=status.HTTP_400_BAD_REQUEST)