Mercurial > public > sg101
view potd/signals.py @ 664:929d0e637a37
For issue #43, delete uploaded files when downloads are deleted.
author | Brian Neal <bgneal@gmail.com> |
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date | Fri, 24 May 2013 15:09:53 -0500 |
parents | ee87ea74d46b |
children |
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""" Signal handlers for the potd application. """ from django.db.models.signals import post_save, post_delete from potd.models import Photo, Sequence def on_photo_save(sender, **kwargs): """ This function is executed when a Photo is saved. It inserts the photo into the current sequence. """ photo = kwargs['instance'] Sequence.objects.insert_photo(photo.pk) def on_photo_delete(sender, **kwargs): """ This function is executed when a Photo is deleted. It removes the photo from the current sequence of photos. """ photo = kwargs['instance'] Sequence.objects.remove_photo(photo.pk) post_save.connect(on_photo_save, sender=Photo, dispatch_uid='potd.signals') post_delete.connect(on_photo_delete, sender=Photo, dispatch_uid='potd.signals')