Adapt to CalendarEventManager

aleksis/apps/alsijil/managers.py

@@ -11,7 +11,7 @@ from calendarweek import CalendarWeek
 from aleksis.apps.chronos.models import LessonEvent
 from aleksis.core.managers import (
     AlekSISBaseManagerWithoutMigrations,
-    RecurrencePolymorphicManager,
+    CalendarEventManager,
 )
 
 if TYPE_CHECKING:
@@ -73,7 +73,7 @@ class GroupRoleAssignmentQuerySet(QuerySet):
         return self.filter(Q(groups=group) | Q(groups__child_groups=group))
 
 
-class DocumentationManager(RecurrencePolymorphicManager):
+class DocumentationManager(CalendarEventManager):
     """Manager adding specific methods to documentations."""
 
     def for_school_term(self, school_term: "SchoolTerm") -> QuerySet["Documentation"]:
@@ -107,7 +107,7 @@ class DocumentationManager(RecurrencePolymorphicManager):
         )
 
 
-class ParticipationStatusManager(RecurrencePolymorphicManager):
+class ParticipationStatusManager(CalendarEventManager):
     """Manager adding specific methods to participation statuses."""
 
     pass