added rss feed for particular question

3 files changed, 56 insertions, 3 deletions

diff --git a/askbot/feed.py b/askbot/feed.py
index 23416677..61fd0d3a 100644
--- a/askbot/feed.py
+++ b/askbot/feed.py
@@ -14,8 +14,54 @@
 #encoding:utf-8
 from django.contrib.syndication.feeds import Feed
 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 RssParticularQuestionFeed(Feed):
+    """rss feed class for particular questions
+    """
+    title = askbot_settings.APP_TITLE + _(' - ')+ _('Particular Question')
+    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 questions for the feed
+	"""
+        results = itertools.chain(
+                              Question.objects.filter(id = item.id),
+                              Answer.objects.filter(question = item.id),
+                              Comment.objects.filter(question = item.id),
+                              )
+        return results
+    
+    def item_title(self, item):
+        title = item
+        if item.__class__.__name__ == "Question":
+            self.title = item
+        if item.__class__.__name__ == "Answer":
+            title = "Answer for %s " %self.title
+        elif item.__class__.__name__ == "Comment":
+            title = "Comment for %s" %self.title
+        return title
+
 class RssLastestQuestionsFeed(Feed):
     """rss feed class for the latest questions
     """
diff --git a/askbot/skins/default/templates/question.html b/askbot/skins/default/templates/question.html
index 06cd1332..376cd058 100644
--- a/askbot/skins/default/templates/question.html
+++ b/askbot/skins/default/templates/question.html
@@ -12,6 +12,12 @@
 {% endblock %}
 {% block content %}
 <h1><a href="{{ question.get_absolute_url() }}">{{ question.get_question_title() }}</a></h1>
+<p class="rss">
+    (<a
+        href="{{settings.APP_URL}}/feeds/question/{{ question.id }}"
+        title="{% trans %}subscribe to the questions feed{% endtrans %}"
+        >{% trans %}rss feed{% endtrans %}</a>)
+</p>
 <table style="width:100%;" id="question-table" {% if question.deleted %}class="deleted"{%endif%}>
     <tr>
         <td style="width:30px;vertical-align:top">
diff --git a/askbot/urls.py b/askbot/urls.py
index 54c50d96..8b435c56 100644
--- a/askbot/urls.py
+++ b/askbot/urls.py
@@ -8,7 +8,7 @@ from django.conf.urls.defaults import handler500, handler404
 from django.contrib import admin
 from django.utils.translation import ugettext as _
 from askbot import views
-from askbot.feed import RssLastestQuestionsFeed
+from askbot.feed import RssLastestQuestionsFeed, RssParticularQuestionFeed
 from askbot.sitemap import QuestionsSitemap
 from askbot.skins.utils import update_media_revision
 
@@ -16,7 +16,8 @@ admin.autodiscover()
 update_media_revision()#needs to be run once, so put it here
 
 feeds = {
-    'rss': RssLastestQuestionsFeed
+    'rss': RssLastestQuestionsFeed,
+    'question':RssParticularQuestionFeed
 }
 sitemaps = {
     'questions': QuestionsSitemap