<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @category    Mage
 * @package     Mage_Catalog
 * @copyright   Copyright (c) 2013 Magento Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

/**
 * Product url key attribute backend
 *
 * @category   Mage
 * @package    Mage_Catalog
 * @author     Magento Core Team <core@magentocommerce.com>
 */
abstract class Mage_Catalog_Model_Attribute_Backend_Urlkey_Abstract
    extends Mage_Eav_Model_Entity_Attribute_Backend_Abstract
{
    /**
     * Format url key attribute before save, also use product name as url key if it empty
     *
     * @param Varien_Object $object
     * @return Mage_Catalog_Model_Category_Attribute_Backend_Urlkey
     */
    public function beforeSave($object)
    {
        $attributeName = $this->getAttribute()->getName();

        $urlKey = $object->getData($attributeName);
        if ($urlKey === false) {
            return $this;
        }
        if ($urlKey=='') {
            $urlKey = $object->getName();
        }

        $object->setData($attributeName, $object->formatUrlKey($urlKey));

        return $this;
    }

    /**
     * Executes after url attribute save.
     *
     * @param Varien_Object $object
     *
     * @return Mage_Catalog_Model_Category_Attribute_Backend_Urlkey
     */
    public function afterSave($object)
    {
        /**
         * This logic moved to Mage_Catalog_Model_Indexer_Url
         */
        return $this;
    }
}
