<?php
/**
 * OpenMage
 *
 * 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 at https://opensource.org/license/osl-3-0-php
 *
 * @category   Mage
 * @package    Mage_Downloadable
 * @copyright  Copyright (c) 2006-2020 Magento, Inc. (https://www.magento.com)
 * @copyright  Copyright (c) 2020-2022 The OpenMage Contributors (https://www.openmage.org)
 * @license    https://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

/** @var Mage_Catalog_Model_Resource_Setup  $this */
$installer = $this;

$fieldList = [
    'price',
    'special_price',
    'special_from_date',
    'special_to_date',
    'minimal_price',
    'cost',
    'tier_price'
];

// make these attributes applicable to downloadable products
foreach ($fieldList as $field) {
    $applyTo = explode(',', $installer->getAttribute(Mage_Catalog_Model_Product::ENTITY, $field, 'apply_to'));
    if (!in_array('downloadable', $applyTo)) {
        $applyTo[] = 'downloadable';
        $installer->updateAttribute(Mage_Catalog_Model_Product::ENTITY, $field, 'apply_to', implode(',', $applyTo));
    }
}
