mygpo/data/signals.py

   1 from mygpo.data.models import DirectoryEntry
   2 from mygpo.data.directory import get_source_weights, get_weighted_tags, get_weighted_group_tags
   3
   4
   5 def update_podcast_tag_entry(sender, instance=False, **kwargs):
   6
   7     if not instance:
   8         return
   9
  10     source_weights = get_source_weights()
  11
  12     if not instance.podcast.group:
  13         DirectoryEntry.objects.filter(podcast=instance.podcast).delete()
  14
  15         for tag, weight in get_weighted_tags(instance.podcast, source_weights).iteritems():
  16             if weight == 0:
  17                 continue
  18
  19             DirectoryEntry.objects.create(podcast=instance.podcast, tag=tag, ranking=weight)
  20
  21     else:
  22         DirectoryEntry.objects.filter(podcast_group=instance.podcast.group).delete()
  23
  24         for tag, weight in get_weighted_group_tags(instance.podcast.group, source_weights).iteritems():
  25             if weight == 0:
  26                 continue
  27
  28             DirectoryEntry.objects.create(podcast_group=instance.podcast.group, tag=tag, ranking=weight)
  29