Fix managers in alsijil

aleksis/apps/alsijil/managers.py

@@ -11,7 +11,7 @@ from django.utils.translation import gettext as _
 from calendarweek import CalendarWeek
 
 from aleksis.apps.chronos.managers import DateRangeQuerySetMixin
-from aleksis.core.managers import AlekSISBaseManagerWithoutMigrations, PolymorphicBaseManager
+from aleksis.core.managers import AlekSISBaseManagerWithoutMigrations, RecurrencePolymorphicManager
 
 if TYPE_CHECKING:
     from aleksis.core.models import Group
@@ -189,7 +189,7 @@ class GroupRoleAssignmentQuerySet(DateRangeQuerySetMixin, QuerySet):
         return self.filter(Q(groups=group) | Q(groups__child_groups=group))
 
 
-class DocumentationManager(PolymorphicBaseManager):
+class DocumentationManager(RecurrencePolymorphicManager):
     """Manager adding specific methods to documentations."""
 
     def get_queryset(self):
@@ -205,9 +205,11 @@ class DocumentationManager(PolymorphicBaseManager):
         )
 
 
-class ParticipationStatusManager(PolymorphicBaseManager):
+class ParticipationStatusManager(RecurrencePolymorphicManager):
     """Manager adding specific methods to participation statuses."""
 
     def get_queryset(self):
         """Ensure often used related data are loaded as well."""
-        return super().get_queryset().select_related("person", "absence_reason", "base_absence")
+        # return super().get_queryset().select_related("person", "absence_reason", "base_absence")
+        # TODO: `Field ParticipationStatus.person cannot be both deferred and traversed using select_related at the same time.`
+        return super().get_queryset()