Using cache middleware instead of various caching micro-strategies,
[wolnelektury.git] / apps / sponsors / models.py
index 24d3022..0565b97 100644 (file)
@@ -2,6 +2,7 @@
 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
+import json
 import time
 from StringIO import StringIO
 from django.db import models
@@ -11,6 +12,7 @@ from PIL import Image
 
 from jsonfield import JSONField
 from django.core.files.base import ContentFile
+from ssify import flush_ssi_includes
 
 THUMB_WIDTH = 120
 THUMB_HEIGHT = 120
@@ -63,7 +65,7 @@ class SponsorPage(models.Model):
             simg = Image.open(sponsors[sponsor_id].logo.path)
             if simg.size[0] > THUMB_WIDTH or simg.size[1] > THUMB_HEIGHT:
                 size = (
-                    min(THUMB_WIDTH, 
+                    min(THUMB_WIDTH,
                         simg.size[0] * THUMB_HEIGHT / simg.size[1]),
                     min(THUMB_HEIGHT,
                         simg.size[1] * THUMB_WIDTH / simg.size[0])
@@ -85,12 +87,20 @@ class SponsorPage(models.Model):
     html = property(fget=html)
 
     def save(self, *args, **kwargs):
+        if isinstance(self.sponsors, basestring):
+            # Walkaround for weird jsonfield 'no-decode' optimization.
+            self.sponsors = json.loads(self.sponsors)
         self.render_sprite()
         self._html = render_to_string('sponsors/page.html', {
             'sponsors': self.populated_sponsors(),
             'page': self
         })
-        return super(SponsorPage, self).save(*args, **kwargs)
+        ret = super(SponsorPage, self).save(*args, **kwargs)
+        self.flush_includes()
+        return ret
+
+    def flush_includes(self):
+        flush_ssi_includes(['/sponsors/page/%s.html' % self.name])
 
     def __unicode__(self):
         return self.name