def changelog(request, page_url=None):
"""This view display a change log for a given WikiPage or
all change logs in djwiki.
Attributes:
request: HttpRequest object representing the current request object.
page_url: WikiPage url, maybe None.
Returns:
response: HttpResponse object used to render index page using
changelog.html page.
"""
title = 'Global History'
page_number = request.GET.get('page', 1)
# If page_url is present then Changelog entries for that WikiPage should be
# displayed.
if page_url:
try:
# Trying to fetch wiki page given its page url.
wikipage = WikiPage.objects.get(url=page_url)
title = '"%s" History' % wikipage.title
except exceptions.ObjectDoesNotExist:
# Redirect response to wikipage edit view.
return HttpResponseRedirect(
urlresolvers.reverse('edit_page', args=[page_url]))
else:
# Filter ChangeLog entries for a WikiPage instance.
changelogs = utils.get_view_paginator(
Changelog, page_number, filters={'wikipage': wikipage})
else:
# Return all ChangeLog instances in djwiki.
changelogs = utils.get_view_paginator(Changelog, page_number)
return render(request, 'changelog.html', {'title': title,
'page_url': page_url,
'changelogs': changelogs})
def index(request):
"""This view serves an index page showing all the WikiPage instances in the
system.
Attributes:
request: HttpRequest object representing the current request object.
Returns:
response: HttpResponse object used to render index page using
index.html page.
"""
page_number = request.GET.get('page', 1)
wikipages = utils.get_view_paginator(WikiPage, page_number, count=10,
ordering='url')
return render(request, 'index.html', {'title': 'Index',
'wikipages': wikipages})
