OSQA-143, fixing text overflow issue under IE8, added max-width to the paragraphs...

[osqa.git] / forum / models / tag.py

diff --git a/forum/models/tag.py b/forum/models/tag.py
index 0bff00473d1268e698e191745938d49e4dabfac2..5b6bef381474debedceab58b05575c29223b1563 100644 (file)
--- a/forum/models/tag.py
+++ b/forum/models/tag.py
@@ -1,16 +1,20 @@
+import datetime
 from base import *
 
 from django.utils.translation import ugettext as _
-import django.dispatch
 
-class ActiveTagManager(models.Manager):
+from forum import modules
+
+class ActiveTagManager(CachedManager):
+    use_for_related_fields = True
+
     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)
     created_by      = models.ForeignKey(User, related_name='created_tags')
+    created_at      = models.DateTimeField(default=datetime.datetime.now, blank=True, null=True)
     marked_by       = models.ManyToManyField(User, related_name="marked_tags", through="MarkedTag")
     # Denormalised data
     used_count = models.PositiveIntegerField(default=0)
@@ -30,6 +34,24 @@ class Tag(BaseModel):
         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})