init

backend/booking/signals.py

@@ -0,0 +1,9 @@
+from django.db.models.signals import post_save, post_delete
+from django.dispatch import receiver
+from booking.models import ReservationCheck
+
+@receiver([post_save, post_delete], sender=ReservationCheck)
+def update_reservation_check_status(sender, instance, **kwargs):
+    reservation = instance.reservation
+    reservation.update_check_status()
+    reservation.save(update_fields=["is_checked", "last_checked_at", "last_checked_by"])