'Returns any course updates in reverse chronological order.'

@classmethod
def get_ordered_updates(self, request, course):

    info_module = get_course_info_section_module(request, request.user, course, 'updates')
    updates = (info_module.items if info_module else [])
    info_block = (getattr(info_module, '_xmodule', info_module) if info_module else None)
    ordered_updates = [update for update in updates if (update.get('status') == self.STATUS_VISIBLE)]
    ordered_updates.sort(key=(lambda item: (self.safe_parse_date(item['date']), item['id'])), reverse=True)
    for update in ordered_updates:
        update['content'] = info_block.system.replace_urls(update['content'])
    return ordered_updates
