'Response' object has no attribute 'user' - django

Question

I am getting error AttributeError: 'Response' object has no attribute 'user' for the below code I have written
I am trying to get the user info from the context and create a notification model. I am getting the above error while returning the statement. I don't understand why I am getting this error
Model
class CourseNotification(models.Model):
uid = models.UUIDField(
primary_key=True,
default=uuid.uuid4,
editable=False,
unique=True)
course = models.ForeignKey('Course.Course', on_delete=models.SET_NULL, null=True)
user = models.ManyToManyField('Profile.myUser',null=True)
def get_user(self):
return [i for i in self.user.all()]
def __str__(self):
return self.course.course_title
View
class CourseNotificationView(ModelViewSet):
queryset = CourseNotification.objects.all()
serializer_class = CourseNotificationSerializer
authentication_classes = [JWTAuthentication]
permission_classes = [IsAuthenticated]
def get_queryset(self):
if self.request.user.email is not None:
profile = myUser.objects.get(email=self.request.user.email)
if profile is not None:
notification = CourseNotification.objects.filter(user=profile)
return notification
else:
return Response(data={"User": "Unauthorized User"}, status=HTTP_401_UNAUTHORIZED)
def retrieve(self, request, *args, **kwargs):
serializer = self.get_serializer(self.get_queryset(), many=True)
return Response(data=serializer.data)
Serializer
class CourseNotificationSerializer(serializers.ModelSerializer):
class Meta:
model = CourseNotification
fields = '__all__'
def create(self, validated_data):
users = self.context['request'].user
subject = validated_data['course']
if users is None and subject is None or subject == "":
raise serializers.ValidationError({"Invalid": "Subject could not be Invalid"})
checkNotification = self.checkNotification(users, subject)
if checkNotification is not None and checkNotification.status_code == 200:
return checkNotification
validate_subject = self.validateSubject(users, subject)
if validate_subject.status_code == 200:
return validate_subject
get_data = CourseNotification.objects.create(course=subject)
get_data.user.add(users)
get_data.save()
return Response(data=get_data, status=HTTP_201_CREATED, content_type="application/json")
#staticmethod
def checkNotification(users, subject):
get_data = CourseNotification.objects.filter(user=users, course=subject)
if get_data:
for data in get_data:
data.user.remove(users)
data.save()
return Response(data=get_data, status=HTTP_200_OK, content_type="application/json")
#staticmethod
def validateSubject(users, subject):
get_data = CourseNotification.objects.filter(course=subject).exclude(user=users)
if get_data:
subject = CourseNotification.objects.get(course=subject)
subject.user.add(users)
subject.save()
return Response(data=get_data, status=HTTP_200_OK, content_type="application/json")
I am trying to add data to the model through API. I am facing the problem