news.py 文件源码

def delete(request, contest_id, news_id):
    if not request.user.has_perm('manage_contest',
                                 Contest.objects.get(pk=contest_id)):
        raise PermissionDenied
    else:
        try:
            news = News.objects.get(pk=news_id)
            news.delete()
            messages.add_message(request,
                                 messages.SUCCESS,
                                 "News deleted successfully.")
        except ObjectDoesNotExist:
            raise PermissionDenied
        return HttpResponseRedirect(
            reverse('contest_details',
                    args=[contest_id]) + '?current_tab=news')