1 files changed, 84 insertions, 1 deletions
diff --git a/askbot/feed.py b/askbot/feed.py
index 23416677..e0c69454 100644
--- a/askbot/feed.py
+++ b/askbot/feed.py
@@ -13,9 +13,87 @@
 #!/usr/bin/env python
 #encoding:utf-8
 from django.contrib.syndication.feeds import Feed
+from django.contrib.contenttypes.models import ContentType
 from django.utils.translation import ugettext as _
-from askbot.models import Question
+from django.core.exceptions import ObjectDoesNotExist
+from askbot.models import Question, Answer, Comment
 from askbot.conf import settings as askbot_settings
+import itertools
+
+class RssIndividualQuestionFeed(Feed):
+    """rss feed class for particular questions
+    """
+    title = askbot_settings.APP_TITLE + _(' - ')+ _('Individual question feed')
+    link = askbot_settings.APP_URL
+    description = askbot_settings.APP_DESCRIPTION
+    copyright = askbot_settings.APP_COPYRIGHT
+
+    def get_object(self, bits):
+        if len(bits) != 1:
+            raise ObjectDoesNotExist
+        return Question.objects.get(id__exact = bits[0])
+    
+    def item_link(self, item):
+        """get full url to the item
+        """
+        return self.link + item.get_absolute_url()
+
+    def item_pubdate(self, item):
+        """get date of creation for the item
+        """
+        return item.added_at
+
+    def items(self, item):
+        """get content items for the feed
+        ordered as: question, question comments,
+        then for each answer - the answer itself, then
+        answer comments
+        """
+
+        chain_elements = list()
+        chain_elements.append([item,])
+        chain_elements.append(
+            Comment.objects.filter(
+                object_id = item.id,
+                content_type = ContentType.objects.get_for_model(Question)
+            )
+        )
+        
+        answer_content_type = ContentType.objects.get_for_model(Answer)
+        answers = Answer.objects.filter(question = item.id)
+        for answer in answers:
+            chain_elements.append([answer,])
+            chain_elements.append(
+                Comment.objects.filter(
+                    object_id = answer.id,
+                    content_type = answer_content_type
+                )
+            )
+
+        return itertools.chain(*chain_elements)
+    
+    def item_title(self, item):
+        """returns the title for the item
+        """
+        title = item
+        if item.post_type == "question":
+            self.title = item
+        elif item.post_type == "answer":
+            title = "Answer by %s for %s " % (item.author, self.title)
+        elif item.post_type == "comment":
+            title = "Comment by %s for %s" % (item.user, self.title)
+        return title
+        
+    def item_description(self, item):
+        """returns the description for the item
+        """
+        if item.post_type == "question":
+            return item.text
+        if item.post_type == "answer":
+            return item.text
+        elif item.post_type == "comment":
+            return item.comment
+
 class RssLastestQuestionsFeed(Feed):
     """rss feed class for the latest questions
     """
@@ -50,6 +128,11 @@ class RssLastestQuestionsFeed(Feed):
         because the slug can change
         """
         return self.link + item.get_absolute_url(no_slug = True)
+        
+    def item_description(self, item):
+        """returns the desciption for the item
+        """
+        return item.text
 
     def items(self, item):
         """get questions for the feed