from django.utils.translation import ugettext as _
import django.dispatch
-class ActiveTagManager(UndeletedObjectManager):
+class ActiveTagManager(models.Manager):
def get_query_set(self):
- return super(UndeletedObjectManager, self).get_query_set().exclude(used_count=0)
+ return super(ActiveTagManager, self).get_query_set().exclude(used_count__lt=1)
-class Tag(BaseModel, DeletableContent):
+class Tag(BaseModel):
name = models.CharField(max_length=255, unique=True)
created_by = models.ForeignKey(User, related_name='created_tags')
marked_by = models.ManyToManyField(User, related_name="marked_tags", through="MarkedTag")
# Denormalised data
used_count = models.PositiveIntegerField(default=0)
- objects = models.Manager()
active = ActiveTagManager()
- class Meta(DeletableContent.Meta):
- db_table = u'tag'
+ class Meta:
ordering = ('-used_count', 'name')
+ app_label = 'forum'
def __unicode__(self):
return self.name
+ def add_to_usage_count(self, value):
+ if self.used_count + value < 0:
+ self.used_count = 0
+ else:
+ self.used_count = models.F('used_count') + value
+
+ @models.permalink
+ def get_absolute_url(self):
+ return ('tag_questions', (), {'tag': self.name})
+
class MarkedTag(models.Model):
- TAG_MARK_REASONS = (('good',_('interesting')),('bad',_('ignored')))
+ TAG_MARK_REASONS = (('good', _('interesting')), ('bad', _('ignored')))
tag = models.ForeignKey(Tag, related_name='user_selections')
user = models.ForeignKey(User, related_name='tag_selections')
reason = models.CharField(max_length=16, choices=TAG_MARK_REASONS)