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from django.db.models.signals import post_save
from django.dispatch import receiver
from booking.models import Booking
from notification.models import BookingNotification
@receiver(post_save, sender=Booking)
def booking_notification_handler(sender, instance, **kwargs):
BookingNotification.objects.update_or_create(
booking=instance, type='booking_start', defaults={'submit_time': instance.start}
)
BookingNotification.objects.update_or_create(
booking=instance, type='booking_end', defaults={'submit_time': instance.end}
)
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