/**
* Retrive gift message for entity. If message not exists return null
*
* @param Varien_Object $entity
* @return Mage_GiftMessage_Model_Message
*/
public function getGiftMessageForEntity(Varien_Object $entity)
{
if ($entity->getGiftMessageId() && !$entity->getGiftMessage()) {
$message = $this->getGiftMessage($entity->getGiftMessageId());
$entity->setGiftMessage($message);
}
return $entity->getGiftMessage();
}
