'Calls cs_comments_service to mark thread as read for the user'

def read(self, source):

    params = {'source_type': source.type, 'source_id': source.id}
    utils.perform_request('post', _url_for_read(self.id), params, metric_action='user.read', metric_tags=(self._metric_tags + ['target.type:{}'.format(source.type)]))
