from django.utils.translation import ugettext as _
-class ActiveTagManager(models.Manager):
- def get_query_set(self):
- qs = super(ActiveTagManager, self).get_query_set().exclude(used_count__lt=1)
-
- CurrentUserHolder = None
-
- # We try to import the moderation module and if the import is successful we make the filtration
- try:
- moderation_import = 'from %s.moderation.startup import CurrentUserHolder' % MODULES_PACKAGE
- exec moderation_import
-
- moderation_enabled= True
- except:
- moderation_enabled = False
-
- # If the moderation module has been enabled we make the filtration
- if CurrentUserHolder is not None and moderation_enabled:
- user = CurrentUserHolder.user
-
- try:
- filter_content = not user.is_staff and not user.is_superuser
- except:
- filter_content = True
+from forum import modules
- if filter_content:
- moderation_import = 'from %s.moderation.hooks import get_tag_ids' % MODULES_PACKAGE
- exec moderation_import
- qs = qs.exclude(id__in=get_tag_ids('deleted')).exclude(id__in=get_tag_ids('rejected')).exclude(
- id__in=get_tag_ids('in_moderation')
- )
+class ActiveTagManager(CachedManager):
+ use_for_related_fields = True
- return qs
+ def get_query_set(self):
+ return super(ActiveTagManager, self).get_query_set().exclude(used_count__lt=1)
class Tag(BaseModel):
name = models.CharField(max_length=255, unique=True)
used_count = models.PositiveIntegerField(default=0)
active = ActiveTagManager()
- objects = ActiveTagManager()
class Meta:
ordering = ('-used_count', 'name')
app_label = 'forum'
def __unicode__(self):
- return u'%s' % self.name
+ return self.name
def add_to_usage_count(self, value):
if self.used_count + value < 0:
else:
self.used_count = models.F('used_count') + value
+ def cache_key(self):
+ return self._generate_cache_key(Tag.safe_cache_name(self.name))
+
+ @classmethod
+ def safe_cache_name(cls, name):
+ return "".join([str(ord(c)) for c in name])
+
+ @classmethod
+ def infer_cache_key(cls, querydict):
+ if 'name' in querydict:
+ return cls._generate_cache_key(cls.safe_cache_name(querydict['name']))
+
+ return None
+
+ @classmethod
+ def value_to_list_on_cache_query(cls):
+ return 'name'
+
@models.permalink
def get_absolute_url(self):
return ('tag_questions', (), {'tag': self.name})