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"""
#-------------------------------------------------------------------------------
# Name: Syndication feed class for subscription
# Purpose:
#
# Author: Mike
#
# Created: 29/01/2009
# Copyright: (c) CNPROG.COM 2009
# Licence: GPL V2
#-------------------------------------------------------------------------------
"""
#!/usr/bin/env python
#encoding:utf-8
from django.contrib.syndication.views import Feed
import itertools
from django.contrib.contenttypes.models import ContentType
from django.core.urlresolvers import reverse
from django.utils.translation import ugettext as _
from django.core.exceptions import ObjectDoesNotExist
from django.http import Http404
from askbot.conf import settings as askbot_settings
from askbot.models import Post
from askbot.utils.html import site_url
class RssIndividualQuestionFeed(Feed):
"""rss feed class for particular questions
"""
def title(self):
return askbot_settings.APP_TITLE + _(' - ') + \
_('Individual question feed')
def feed_copyright(self):
return askbot_settings.APP_COPYRIGHT
def description(self):
return askbot_settings.APP_DESCRIPTION
def get_object(self, request, pk):
if askbot_settings.RSS_ENABLED is False:
raise Http404
#hack to get the request object into the Feed class
self.request = request
return Post.objects.get_questions().get(id__exact = pk)
def item_link(self, item):
"""get full url to the item
"""
return site_url(item.get_absolute_url())
def link(self):
return site_url(reverse('questions'))
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(
Post.objects.get_comments().filter(parent=item)
)
answers = Post.objects.get_answers().filter(thread = item.thread)
for answer in answers:
chain_elements.append([answer,])
chain_elements.append(
Post.objects.get_comments().filter(parent=answer)
)
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.author, self.title)
return title
def item_description(self, item):
"""returns the description for the item
"""
return item.text
class RssLastestQuestionsFeed(Feed):
"""rss feed class for the latest questions
"""
def title(self):
return askbot_settings.APP_TITLE + _(' - ') + \
_('Individual question feed')
def feed_copyright(self):
return askbot_settings.APP_COPYRIGHT
def description(self):
return askbot_settings.APP_DESCRIPTION
def item_link(self, item):
"""get full url to the item
"""
return site_url(item.get_absolute_url())
def link(self):
return site_url(reverse('questions'))
def item_author_name(self, item):
"""get name of author
"""
return item.author.username
def item_author_link(self, item):
"""get url of the author's profile
"""
return site_url(item.author.get_profile_url())
def item_pubdate(self, item):
"""get date of creation for the item
"""
return item.added_at
def item_guid(self, item):
"""returns url without the slug
because the slug can change
"""
return self.link() + item.get_absolute_url(no_slug = True)
def item_description(self, item):
"""returns the description for the item
"""
return item.text
def items(self, item):
"""get questions for the feed
"""
if askbot_settings.RSS_ENABLED is False:
raise Http404
#initial filtering
qs = Post.objects.get_questions().filter(deleted=False)
#get search string and tags from GET
query = self.request.GET.get("q", None)
tags = self.request.GET.getlist("tags")
if query:
#if there's a search string, use the
#question search method
qs = qs.get_by_text_query(query)
if tags:
#if there are tags in GET, filter the
#questions additionally
for tag in tags:
qs = qs.filter(thread__tags__name = tag)
return qs.order_by('-thread__last_activity_at')[:30]
#hack to get the request object into the Feed class
def get_feed(self, obj, request):
self.request = request
return super(RssLastestQuestionsFeed, self).get_feed(obj, request)
def main():
"""main function for use as a script
"""
pass
if __name__ == '__main__':
main()
|
