From b7dd8120e6b00e9da137abc7bcdc96ef7684ba33 Mon Sep 17 00:00:00 2001
From: Jonathan Weth <git@jonathanweth.de>
Date: Wed, 5 Jun 2024 19:37:25 +0200
Subject: [PATCH] Prefetch related data for lesson events
---
aleksis/apps/chronos/models.py | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/aleksis/apps/chronos/models.py b/aleksis/apps/chronos/models.py
index 9ef26048..9533ce1b 100644
--- a/aleksis/apps/chronos/models.py
+++ b/aleksis/apps/chronos/models.py
@@ -1528,7 +1528,13 @@ class LessonEvent(CalendarEvent):
cls, request: HttpRequest | None = None, params: dict[str, any] | None = None
) -> Iterable:
"""Return all objects that should be included in the calendar."""
- objs = super().get_objects(request, params).not_instance_of(SupervisionEvent)
+ objs = (
+ super()
+ .get_objects(request, params)
+ .not_instance_of(SupervisionEvent)
+ .select_related("subject", "course")
+ .prefetch_related("groups", "teachers", "rooms")
+ )
if request and not has_person(request.user):
raise PermissionDenied()
--
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