Changeset 42 for plesonet_contentareas/trunk/models.py

Timestamp:

06/06/09 07:02:07 (3 years ago)

Author:

235

Message:

content areas cache

Files:

• plesonet_contentareas/trunk/models.py (modified) (2 diffs)

plesonet_contentareas/trunk/models.py

@@ -3 +3 @@
 from django.conf import settings
 from django.utils.translation import ugettext_lazy as _
+from django.core.cache import cache
+
+CONTENT_AREA_CACHE_KEY = "contarea"
+ALL_CONTENT_AREA_CACHE_TIMEOUT = 60 * 10
 
 class PublishedContentAreasManager(models.Manager):
     def get_query_set(self):
         return super(PublishedContentAreasManager, self).get_query_set().filter(is_published = True)
-
+    
+    def get_name(self, name):
+        result = cache.get(CONTENT_AREA_CACHE_KEY + name)
+        if result is None:
+            result = list(self.get_query_set().filter(name=name))
+            cache.set(CONTENT_AREA_CACHE_KEY + name, result, ALL_CONTENT_AREA_CACHE_TIMEOUT)
+        return result
+    
 class ContentArea(models.Model):
     EXISTING_NAMES = ( ('contacts_form', 'Contacts form'),
@@ -19 +30 @@
     published = PublishedContentAreasManager()
     
+    def save(self, *args, **kwargs):
+        super(ContentArea, self).save(*args, **kwargs)
+        cache.delete(CONTENT_AREA_CACHE_KEY + self.name)
+    
+    def delete(self):
+        super(ContentArea, self).delete()
+        cache.delete(CONTENT_AREA_CACHE_KEY + self.name)  
+
     class Meta:
         db_table = 'plesonet_contentareas'