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from django.contrib.syndication.feeds import Feed, FeedDoesNotExist
from django.utils.feedgenerator import Atom1Feed
from django.contrib.contenttypes.models import ContentType
from django.core.exceptions import ObjectDoesNotExist
from django.core.urlresolvers import reverse
from django.utils.translation import ugettext_lazy as _
from django.shortcuts import get_object_or_404, render_to_response
from django.template import Context, Template
from django.template.loader import get_template
from wiki.models import ChangeSet, Article
from wiki.utils import get_ct
from django.utils.feedgenerator import Atom1Feed, Rss201rev2Feed
ALL_ARTICLES = Article.objects.all()
ALL_CHANGES = ChangeSet.objects.all()
class RssHistoryFeed(Feed):
feed_type = Rss201rev2Feed
title = 'History for all articles'
link = '/wiki/feeds/rss'
description = 'Recent changes in wiki'
def __init__(self, request,
group_slug=None, group_slug_field=None, group_qs=None,
article_qs=ALL_ARTICLES, changes_qs=ALL_CHANGES,
extra_context=None,
title_template = u'feeds/history_title.html',
description_template = u'feeds/history_description.html',
*args, **kw):
if group_slug is not None:
group = get_object_or_404(group_qs,
**{group_slug_field : group_slug})
self.changes_qs = changes_qs.filter(article__content_type=get_ct(group),
article__object_id=group.id)
else:
self.changes_qs = changes_qs
self.title_template = title_template
self.description_template = description_template
super(RssHistoryFeed, self).__init__('', request)
def items(self):
return self.changes_qs.order_by('-modified')[:30]
def item_pubdate(self, item):
"""
Return the item's pubdate. It's this modified date
"""
return item.modified
def item_author_name(self, item):
"""
Takes the object returned by get_object and returns the feeds's
auhor's name as a Python string
"""
if item.is_anonymous_change():
return _("Anonymous")
return item.editor.username
class AtomHistoryFeed(RssHistoryFeed):
feed_type = Atom1Feed
feed_subtitle = 'Recent changes in wiki'
link = '/wiki/feeds/atom'
def item_id(self, item):
return "%s" % item.id
def item_title(self, item):
c = Context({'obj' : item})
return self.title_template.render(c)
def item_updated(self, item):
return item.modified
def item_authors(self, item):
if item.is_anonymous_change():
return [{'name' : _('Anonimous')},]
return [{'name' : item.editor.username},]
def item_links(self, item):
return [{'href': item.get_absolute_url()}, ]
def item_content(self, item):
c = Context({'obj' : item,})
return ({'type': 'html'}, self.description_template.render(c))
def item_author_name(self, item):
"""
Takes the object returned by get_object and returns the feeds's
auhor's name as a Python string
"""
if item.is_anonymous_change():
return _("Anonymous")
return item.editor.username
class RssArticleHistoryFeed(Feed):
feed_type = Rss201rev2Feed
def __init__(self, title, request,
group_slug=None, group_slug_field=None, group_qs=None,
article_qs=ALL_ARTICLES, changes_qs=ALL_CHANGES,
extra_context=None,
title_template = u'feeds/history_title.html',
description_template = u'feeds/history_description.html',
*args, **kw):
if group_slug is not None:
group = get_object_or_404(group_qs,
**{group_slug_field : group_slug})
self.article_qs = article_qs.filter(content_type=get_ct(group),
object_id=group.id)
else:
self.article_qs = article_qs
self.title_template = title_template
self.description_template = description_template
super(RssArticleHistoryFeed, self).__init__(title, request)
def get_object(self, bits):
return self.article_qs.get(title = bits[0])
def title(self, obj):
return "History for: %s " % obj.title
def link(self, obj):
if not obj:
raise FeedDoesNotExist
return obj.get_absolute_url()
def description(self, obj):
return "Recent changes in %s" % obj.title
def items(self, obj):
return ChangeSet.objects.filter(article__id__exact=obj.id).order_by('-modified')[:30]
def item_pubdate(self, item):
"""
Returns the modified date
"""
return item.modified
class AtomArticleHistoryFeed(RssArticleHistoryFeed):
feed_type = Atom1Feed
def get_object(self, bits):
# We work around a bug here which is likely in atomformat.py;
# when the Article doesn't exist this throws an Exception. We
# will care for this by first checking for the Article
get_object_or_404(Article,title=bits[0])
return self.article_qs.get(title = bits[0])
def feed_title(self, obj):
return "History for: %s " % obj.title
def feed_subtitle(self, obj):
return "Recent changes in %s" % obj.title
def feed_id(self):
return "feed_id"
def item_id(self, item):
return "%s" % item.id
def item_title(self, item):
c = Context({'obj' : item})
return self.title_template.render(c)
def item_updated(self, item):
return item.modified
def item_authors(self, item):
if item.is_anonymous_change():
return [{'name' : _('Anonimous')},]
return [{'name' : item.editor.username},]
def item_links(self, item):
return [{'href': item.get_absolute_url()},]
def item_content(self, item):
c = Context({'obj' : item, })
return ({'type': 'html'}, self.description_template.render(c))
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