Added feed configurations for django.contrib.comments

git-svn-id: http://code.djangoproject.com/svn/django/trunk@1281 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/contrib/comments/feeds.py

@@ -0,0 +1,48 @@
+from django.conf import settings
+from django.contrib.syndication.feeds import Feed
+from django.core.exceptions import ObjectDoesNotExist
+from django.models.core import sites
+from django.models.comments import comments, freecomments
+
+class LatestFreeCommentsFeed(Feed):
+    """Feed of latest comments on the current site"""
+    
+    comments_module = freecomments
+    
+    def title(self):
+        if not hasattr(self, '_site'):
+            self._site = sites.get_current()
+        return "%s comments" % self._site.name
+        
+    def link(self):
+        if not hasattr(self, '_site'):
+            self._site = sites.get_current()
+        return "http://%s/" % (self._site.domain)
+    
+    def description(self):
+        if not hasattr(self, '_site'):
+            self._site = sites.get_current()
+        return "Latest comments on %s" % self._site.name
+
+    def items(self):
+        return self.comments_module.get_list(**self._get_lookup_kwargs())
+
+    def _get_lookup_kwargs(self):
+        return {
+            'site__pk' : settings.SITE_ID,
+            'is_public__exact' : True,
+            'limit' : 40,
+        }
+
+class LatestCommentsFeed(LatestFreeCommentsFeed):
+    """Feed of latest free comments on the current site"""
+    
+    comments_module = comments
+    
+    def _get_lookup_kwargs(self):
+        kwargs = LatestFreeCommentsFeed._get_lookup_kwargs(self)
+        kwargs['is_removed__exact'] = False
+        if settings.COMMENTS_BANNED_USERS_GROUP:
+            kwargs['where'] = ['user_id NOT IN (SELECT user_id FROM auth_users_group WHERE group_id = %s)']
+            kwargs['params'] = [COMMENTS_BANNED_USERS_GROUP]
+        return kwargs