Prevents empty digests from being sent.

[osqa.git] / forum / feed.py

diff --git a/forum/feed.py b/forum/feed.py
index 0f8deaec3cfba590bb02d26a4130727498035c91..e514e483b72eda4cada726cfa605e8cc31150355 100644 (file)
--- a/forum/feed.py
+++ b/forum/feed.py
@@ -1,28 +1,51 @@
-#!/usr/bin/env python
-#encoding:utf-8
-#-------------------------------------------------------------------------------
-# Name:        Syndication feed class for subsribtion
-# Purpose:
-#
-# Author:      Mike
-#
-# Created:     29/01/2009
-# Copyright:   (c) CNPROG.COM 2009
-# Licence:     GPL V2
-#-------------------------------------------------------------------------------
-from django.contrib.syndication.feeds import Feed, FeedDoesNotExist
+try:
+    from django.contrib.syndication.views import Feed, FeedDoesNotExist, add_domain
+    old_version = False
+except:
+    from django.contrib.syndication.feeds import Feed, FeedDoesNotExist, add_domain
+    old_version = True
+
+from django.http import HttpResponse
 from django.utils.translation import ugettext as _
+from django.utils.safestring import mark_safe
 from models import Question
 from forum import settings
-class RssLastestQuestionsFeed(Feed):
-    title = settings.APP_TITLE + _(' - ')+ _('latest questions')
-    link = settings.APP_URL #+ '/' + _('question/')
-    description = settings.APP_DESCRIPTION
-    #ttl = 10
-    copyright = settings.APP_COPYRIGHT
+from forum.modules import decorate
+
+@decorate(add_domain, needs_origin=False)
+def add_domain(domain, url):
+    return "%s%s" % (settings.APP_URL, url)
+
+class BaseNodeFeed(Feed):
+    if old_version:
+        title_template = "feeds/rss_title.html"
+        description_template = "feeds/rss_description.html"
+
+    def __init__(self, request, title, description, url):
+        self._title = title
+        self._description = mark_safe(description)
+        self._url = url
+
+        if old_version:
+            super(BaseNodeFeed, self).__init__('', request)
+
+    def title(self):
+        return self._title
+
+    def link(self):
+        return self._url
+
+    def description(self):
+        return self._description
+
+    def item_title(self, item):
+        return item.title
+
+    def item_description(self, item):
+        return item.html
 
     def item_link(self, item):
-        return self.link + item.get_absolute_url()
+        return item.leaf.get_absolute_url()
 
     def item_author_name(self, item):
         return item.author.username
@@ -33,11 +56,52 @@ class RssLastestQuestionsFeed(Feed):
     def item_pubdate(self, item):
         return item.added_at
 
-    def items(self, item):
-       return Question.objects.filter(deleted=None).order_by('-last_activity_at')[:30]
+    if old_version:
+        def __call__(self, request):
+            feedgen = self.get_feed('')
+            response = HttpResponse(mimetype=feedgen.mime_type)
+            feedgen.write(response, 'utf-8')
+            return response
+
+
+class RssQuestionFeed(BaseNodeFeed):
+    def __init__(self, request, question_list, title, description):
+        url = request.path + "&" + "&".join(["%s=%s" % (k, v) for k, v in request.GET.items() if not k in (_('page'), _('pagesize'), _('sort'))])
+        super(RssQuestionFeed, self).__init__(request, title, description, url)
+
+        self._question_list = question_list
+
+    def item_categories(self, item):
+        return item.tagname_list()  
+
+    def items(self):
+       return self._question_list[:30]
+
+class RssAnswerFeed(BaseNodeFeed):
+    if old_version:
+        title_template = "feeds/rss_answer_title.html"
+
+    def __init__(self, request, question, include_comments=False):
+        super(RssAnswerFeed, self).__init__(request, _("Answers to: %s") % question.title, question.html, question.get_absolute_url())
+        self._question = question
+        self._include_comments = include_comments
+
+    def items(self):
+        if self._include_comments:
+            qs = self._question.all_children
+        else:
+            qs = self._question.answers
+
+        return qs.filter_state(deleted=False).order_by('-added_at')[:30]
+
+    def item_title(self, item):
+        if item.node_type == "answer":
+            return _("Answer by %s") % item.author.username
+        else:
+            return _("Comment by %(cauthor)s on %(pauthor)s's %(qora)s") % dict(
+                cauthor=item.author.username, pauthor=item.parent.author.username, qora=(item.parent.node_type == "answer" and _("answer") or _("question"))
+            )
+
+
 
-def main():
-    pass
 
-if __name__ == '__main__':
-    main()