<?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_Customer
 * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */


/**
 * Boolean customer attribute backend model
 *
 * @category   Mage
 * @package    Mage_Customer
 * @author     Magento Core Team <core@magentocommerce.com>
 */
class Mage_Customer_Model_Attribute_Backend_Data_Boolean
    extends Mage_Eav_Model_Entity_Attribute_Backend_Abstract
{
    /**
     * Prepare data before attribute save
     *
     * @param Mage_Customer_Model_Customer $customer
     * @return Mage_Customer_Model_Attribute_Backend_Data_Boolean
     */
    public function beforeSave($customer)
    {
        $attributeName = $this->getAttribute()->getName();
        $inputValue = $customer->getData($attributeName);
        $sanitizedValue = (!empty($inputValue)) ? '1' : '0';
        $customer->setData($attributeName, $sanitizedValue);
        return $this;
    }
}