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comparison gpp/forums/signals.py @ 75:374b24dd2f9a

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First checkin of forums. Have noticed cascading delete behavior. Will try to prevent this next.
author Brian Neal <bgneal@gmail.com>
date Sun, 05 Jul 2009 00:03:40 +0000
parents
children 500e5875a306
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74:df56795771a6 75:374b24dd2f9a
1 """
2 Signal handlers for the forums application.
3 """
4 from django.db.models.signals import post_save
5 from django.db.models.signals import post_delete
6 from models import Topic
7 from models import Post
8
9
10 def on_topic_save(sender, **kwargs):
11 if kwargs['created']:
12 topic = kwargs['instance']
13 topic.forum.topic_count_update()
14 topic.forum.save()
15
16
17 def on_topic_delete(sender, **kwargs):
18 topic = kwargs['instance']
19 topic.forum.topic_count_update()
20 topic.forum.save()
21
22
23 def on_post_save(sender, **kwargs):
24 if kwargs['created']:
25 post = kwargs['instance']
26
27 # update the topic
28 post.topic.post_count_update()
29 post.topic.save()
30
31 # update the forum
32 post.topic.forum.post_count_update()
33 post.topic.forum.save()
34
35
36 def on_post_delete(sender, **kwargs):
37 post = kwargs['instance']
38
39 # update the topic
40 post.topic.post_count_update()
41 post.topic.save()
42
43 # update the forum
44 post.topic.forum.post_count_update()
45 post.topic.forum.save()
46
47
48 post_save.connect(on_topic_save, sender=Topic)
49 post_delete.connect(on_topic_delete, sender=Topic)
50
51 post_save.connect(on_post_save, sender=Post)
52 post_delete.connect(on_post_delete, sender=Post)