/**
* Check unique url_key value in catalog_category_entity_url_key table.
*
* @param Mage_Catalog_Model_Abstract $object
* @return bool
* @throws Mage_Core_Exception
*/
protected function _isAvailableUrl($object)
{
$select = $this->_connection->select()->from($this->getAttribute()->getBackendTable(), array('entity_id', 'store_id'))->where('value = ?', $object->getUrlKey())->limit(1);
$row = $this->_connection->fetchRow($select);
// we should allow save same url key for product in current store view
// but not allow save existing url key in current store view from another store view
if (empty($row)) {
return true;
} elseif ($object->hasData('url_key') && !$object->dataHasChangedFor('url_key')) {
return true;
} elseif ($object->getId() && $object->getStoreId() !== null && ($row['store_id'] == $object->getStoreId() && $row['entity_id'] == $object->getId())) {
return true;
}
return false;
}