<?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@magento.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.magento.com for more information.
 *
 * @category    Mage
 * @package     Mage_Catalog
 * @copyright  Copyright (c) 2006-2016 X.commerce, Inc. and affiliates (http://www.magento.com)
 * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

/**
 *
 * Speical Start Date attribute backend
 *
 * @category   Mage
 * @package    Mage_Catalog
 * @author      Magento Core Team <core@magentocommerce.com>
 */

class Mage_Catalog_Model_Product_Attribute_Backend_Startdate_Specialprice
    extends Mage_Catalog_Model_Product_Attribute_Backend_Startdate
{
    /**
     * Get attribute value for save.
     *
     * @param Varien_Object $object
     * @return string|bool
     */
    protected function _getValueForSave($object)
    {
        $attributeName  = $this->getAttribute()->getName();
        $startDate      = $object->getData($attributeName);
        if ($startDate === false) {
            return false;
        }
        if ($startDate == '' && $object->getSpecialPrice()) {
            $startDate = Mage::app()->getLocale()->date();
        }

        return $startDate;
    }

    /**
     * Before save hook.
     * Prepare attribute value for save
     *
     * @param Varien_Object $object
     * @return Mage_Catalog_Model_Product_Attribute_Backend_Startdate
     */
    public function beforeSave($object)
    {
        $startDate = $this->_getValueForSave($object);
        if ($startDate === false) {
            return $this;
        }

        $object->setData($this->getAttribute()->getName(), $startDate);
        parent::beforeSave($object);
        return $this;
    }
}
