django genericAPIView

import django_filters
from django.contrib.auth.models import User
from django.contrib.contenttypes.models import ContentType
from rest_framework import status
from rest_framework.generics import GenericAPIView
from rest_framework.mixins import ListModelMixin, RetrieveModelMixin, CreateModelMixin, DestroyModelMixin, \
    UpdateModelMixin
from rest_framework.request import Request
from rest_framework.response import Response


class ProjectCustomGenericApiViewListCreate(GenericAPIView,
                                            ListModelMixin,
                                            CreateModelMixin,
                                            ):
    # serializer_class = ComplexSerializer
    # queryset = Profile.objects.all()
    # lookup_field = 'id'
    permission_name_str = False
    allow_view = False

    def perform_create(self, serializer):
        try:
            serializer.save(create_by=self.request.user.username)
        except Exception:
            pass
        serializer.save()

    def get(self, request: Request):
        if not self.allow_view:
            if not self.permission_name_str:
                self.permission_name_str = self.__class__.__name__[:-18]
                content_type = ContentType.objects.get_for_model(self.get_serializer().Meta.model)
                view_permission = "{}.view_{}".format(content_type.app_label, content_type.model)
            user: User = request.user
            if not user.is_superuser and not user.has_perm(view_permission):
                return Response(status=status.HTTP_401_UNAUTHORIZED)
        return self.list(request)

    def post(self, request: Request):
        return self.create(request)


class ProjectCustomGenericApiViewCRUD(GenericAPIView, RetrieveModelMixin, DestroyModelMixin,
                                      UpdateModelMixin):
    lookup_field = 'id'
    permission_name_str = False
    allow_view = False

    def perform_update(self, serializer):
        instance = serializer.save()
        try:
            instance.last_modify_by = self.request.user.username
            instance.save()
        except Exception:
            pass

    def get(self, request: Request, id):
        if not self.allow_view:
            if not self.permission_name_str:
                self.permission_name_str = self.__class__.__name__[:-18]
                content_type = ContentType.objects.get_for_model(self.get_serializer().Meta.model)
                view_permission = "{}.view_{}".format(content_type.app_label, content_type.model)
            user: User = request.user
            if not user.is_superuser and not user.has_perm(view_permission):
                return Response(status=status.HTTP_401_UNAUTHORIZED)
        return self.retrieve(request)

    def delete(self, request: Request, id):
        return self.destroy(request)
        Response(status=status.HTTP_404_NOT_FOUND)

    def put(self, request: Request, id):
        return self.update(request)