/**
  * Updates an existing service consumer.
  *
  * @param CultureFeed_Consumer $consumer
  * @todo check if we can update the status of the consumer
  */
 public function updateServiceConsumer(CultureFeed_Consumer $consumer)
 {
     $data = $consumer->toPostData();
     unset($data['id']);
     unset($data['creationDate']);
     unset($data['status']);
     $this->oauth_client->consumerPostAsXML('serviceconsumer/' . $consumer->consumerKey, $data);
 }