annotate potd/signals.py @ 887:9a15f7c27526

Actually save model object upon change. This commit was tested on the comments model. Additional logging added. Added check for Markdown image references. Added TODOs after observing behavior on comments.
author Brian Neal <bgneal@gmail.com>
date Tue, 03 Feb 2015 21:09:44 -0600
parents ee87ea74d46b
children
rev   line source
bgneal@532 1 """
bgneal@532 2 Signal handlers for the potd application.
bgneal@532 3
bgneal@532 4 """
bgneal@532 5 from django.db.models.signals import post_save, post_delete
bgneal@532 6
bgneal@532 7 from potd.models import Photo, Sequence
bgneal@532 8
bgneal@532 9
bgneal@532 10 def on_photo_save(sender, **kwargs):
bgneal@532 11 """
bgneal@532 12 This function is executed when a Photo is saved. It inserts the photo into
bgneal@532 13 the current sequence.
bgneal@532 14
bgneal@532 15 """
bgneal@532 16 photo = kwargs['instance']
bgneal@532 17 Sequence.objects.insert_photo(photo.pk)
bgneal@532 18
bgneal@532 19
bgneal@532 20 def on_photo_delete(sender, **kwargs):
bgneal@532 21 """
bgneal@532 22 This function is executed when a Photo is deleted. It removes the photo from
bgneal@532 23 the current sequence of photos.
bgneal@532 24
bgneal@532 25 """
bgneal@532 26 photo = kwargs['instance']
bgneal@532 27 Sequence.objects.remove_photo(photo.pk)
bgneal@532 28
bgneal@532 29
bgneal@532 30 post_save.connect(on_photo_save, sender=Photo, dispatch_uid='potd.signals')
bgneal@532 31 post_delete.connect(on_photo_delete, sender=Photo, dispatch_uid='potd.signals')