Mercurial > public > sg101
annotate potd/receivers.py @ 917:0365fdbb4d78
Fix app conflict with messages.
Django's messages app label conflicts with our messages app.
We can't easily rename our label as that will make us rename database tables.
Since our app came first we'll just customize Django messages label.
For Django 1.7.7 upgrade.
| author | Brian Neal <bgneal@gmail.com> |
|---|---|
| date | Mon, 06 Apr 2015 20:02:25 -0500 |
| parents | 1cb227d59e20 |
| children | 7a795ccd6479 |
| 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') |