def render_to_response(self, context):
if permissions.can_user_edit_blogpost(self.request.user, context['blog']):
return UpdateView.render_to_response(self, context)
else:
return HttpResponseForbidden('You do not have permission to edit this blog post.')
def can_edit_blogpost(user, blogpost):
return permissions.can_user_edit_blogpost(user, blogpost)