membershipworks/models.py

@@ -3,7 +3,7 @@ from typing import Optional
 import django.core.mail.message
 from django.conf import settings
 from django.db import models
-from django.db.models import Exists, OuterRef
+from django.db.models import Q, Count, BooleanField
 
 
 class Flag(models.Model):
@@ -21,17 +21,14 @@ class Flag(models.Model):
 
 
 class MemberQuerySet(models.QuerySet):
-    # TODO: maybe rename to reflect EXISTS?
     @staticmethod
     def has_flag(flag_type: str, flag_name: str):
-        return Exists(Flag.objects.filter(
+        return Count(
-            type=flag_type,
+            "uid",
-            name=flag_name,
+            filter=Q(flags__name=flag_name, flags__type=flag_type),
-            members=OuterRef("pk")
+            output_field=BooleanField(),
-        ))
+        )
 
-    # TODO: it should be fairly easy to reduce the number of EXISTS by
-    # merging the ORed flags
     def with_is_active(self):
         return self.annotate(
             is_active=(

paperwork/api.py

@@ -1,5 +1,5 @@
+from django.db.models import Prefetch
 from rest_framework import routers, serializers, viewsets
-from django.db.models import Prefetch, Q
 from rest_framework.decorators import action
 from rest_framework.response import Response
 
@@ -59,10 +59,10 @@ class DepartmentViewSet(viewsets.ModelViewSet):
             lists[department.list_name] = {
                 "config": {
                     "real_name": department.list_name,
+                    "moderator": moderator_emails,
                     "subject_prefix": f"[CMS {department.name}] ",
                     "reply_to_address": department.list_reply_to_address,
                 },
-                "moderators": moderator_emails,
                 "members": active_certified_members,
             }
 
@@ -98,21 +98,6 @@ class DepartmentViewSet(viewsets.ModelViewSet):
             },
         }
 
-        # TODO: this isn't really in the domain of the `paperwork` app...
-        deskers = (
-            Member.objects.with_is_active()
-            .filter(is_active=True)
-            .filter(
-                Member.objects.has_flag("label", "Volunteer: Desker")
-                | Q(billing_method__startswith="Desker")
-            )
-        )
-        lists["Deskers"] = {
-            "members": {
-                desker.sanitized_mailbox(use_volunteer=True) for desker in deskers
-            }
-        }
-
         return Response(lists)