/** * Generate unique url key if current url key already occupied * * @param Mage_Catalog_Model_Abstract $object * @return Mage_Catalog_Model_Abstract */ protected function _generateNextUrlKeySuffix(Mage_Catalog_Model_Abstract $object) { $prefixValue = $object->getData($this->getAttribute()->getAttributeCode()); $requestPathField = new Zend_Db_Expr($this->_connection->quoteIdentifier('value')); //select increment part of request path and cast expression to integer $urlIncrementPartExpression = $this->_eavHelper->getCastToIntExpression($this->_connection->getSubstringSql($requestPathField, strlen($prefixValue) + 1, $this->_connection->getLengthSql($requestPathField) . ' - ' . strlen($prefixValue))); $prefixRegexp = preg_quote($prefixValue); $orCondition = $this->_connection->select()->orWhere($this->_connection->prepareSqlCondition('value', array('regexp' => '^' . $prefixRegexp . '$')))->orWhere($this->_connection->prepareSqlCondition('value', array('regexp' => '^' . $prefixRegexp . '-[0-9]*$')))->getPart(Zend_Db_Select::WHERE); $select = $this->_connection->select(); $select->from($this->getAttribute()->getBackendTable(), new Zend_Db_Expr('MAX(ABS(' . $urlIncrementPartExpression . '))'))->where('value LIKE :url_key')->where('entity_id <> :entity_id')->where(implode('', $orCondition)); $bind = array('url_key' => $prefixValue . '%', 'entity_id' => (int) $object->getId()); $suffix = $this->_connection->fetchOne($select, $bind); if (!is_null($suffix)) { $suffix = (int) $suffix; $object->setData($this->getAttribute()->getAttributeCode(), sprintf('%s-%s', $prefixValue, ++$suffix)); } return $object; }