Deleted custom_annotations

backend/core/custom_annotations.py

-from django.contrib.auth.decorators import user_passes_test
-
-
-"""I collect custom decorators here that I use for the simple premission system
-
-Currently the following options are available
-    - group_required
-    - in_groups
-"""
-
-
-def in_groups(user, group_list):
-    return bool(user.groups.filter(name__in=group_list))  # or user.is_superuser
-
-
-def group_required(*group_names):
-    """Requires user membership in at least one of the groups passed in. Should
-    only be used in annotations
-    """
-    def _in_groups(u):
-        if u.is_authenticated():
-            return in_groups(u, group_names)
-    return user_passes_test(_in_groups)

backend/core/models.py

@@ -46,7 +46,7 @@ def get_annotated_tutor_list():
     Returns:
         TYPE: the annotated QuerySet
     """
-    return User.objects\
+    return get_user_model().objects\
         .filter(groups__name='Tutors')\
         .annotate(Count('feedback_list'))\
         .order_by('-feedback_list__count')

backend/core/views.py

@@ -8,6 +8,7 @@ from core.serializers import (FeedbackSerializer, StudentSerializer,
 
 log = logging.getLogger(__name__)
 
+
 class StudentApiView(RetrieveAPIView):
     permission_classes = (IsStudent,)