Changeset 39

Timestamp:

06/06/09 06:43:29 (3 years ago)

Author:

235

Message:

banners cache

Location:

plesonet_banners/trunk

Files:

• models.py (modified) (3 diffs)
• templatetags/banners_tags.py (modified) (1 diff)

plesonet_banners/trunk/models.py

@@ -3 +3 @@
 from django.utils.translation import ugettext_lazy as _
 from django.contrib import admin
+from django.core.cache import cache
+
+BANNERS_CACHE_KEY = "all_menu_items"
+ALL_BANNERS_CACHE_TIMEOUT = 60 * 10
 
 '''
@@ -29 +33 @@
             return self.url     
 
+class PublishedBannersManager(models.Manager):
+    def get_query_set(self, banner_type):
+        return super(PublishedBannersManager, self).get_query_set().select_related().filter(bannerplace__is_published=True, is_published = True, bannertype=banner_type)
+    
+    def get_type(self, banner_type):
+        result = cache.get(BANNERS_CACHE_KEY + str(banner_type))
+        if result is None:
+            result = list(self.get_query_set(banner_type).all())
+            cache.set(BANNERS_CACHE_KEY + str(banner_type), result, ALL_BANNERS_CACHE_TIMEOUT)
+        return result
+
+
 class Banners(models.Model):
     BANNER_TYPE = (
@@ -52 +68 @@
     one_page_only = models.BooleanField(_('Only in this URL'))#, core=True)
     child_page_only = models.BooleanField(_('Only on childrens'))#, core=True)
+
+    published = PublishedBannersManager()
     
+    def save(self, *args, **kwargs):
+        super(MenuItem, self).save(*args, **kwargs)
+        cache.delete(BANNERS_CACHE_KEY + str(banner_type))
+    
+    def delete(self):
+        super(MenuItem, self).delete()
+        cache.delete(BANNERS_CACHE_KEY + str(banner_type))
+            
     class Meta:
         db_table = 'plesonet_banner'

plesonet_banners/trunk/templatetags/banners_tags.py

@@ -12 +12 @@
     url = context['request'].path
     
-    banners = Banners.objects.filter(
-                                    bannerplace__is_published=True, 
-                                    is_published=True, 
-                                    bannertype=banner_type)
+    #banners = Banners.objects.filter(
+    #                                bannerplace__is_published=True, 
+    #                                is_published=True, 
+    #                                bannertype=banner_type)
+    
+    banners = Banners.published.get_type(banner_type)