<?php
/**
 * Copyright since 2007 PrestaShop SA and Contributors
 * PrestaShop is an International Registered Trademark & Property of PrestaShop SA
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Academic Free License 3.0 (AFL-3.0)
 * that is bundled with this package in the file LICENSE.md.
 * It is also available through the world-wide-web at this URL:
 * https://opensource.org/licenses/AFL-3.0
 * 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@prestashop.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade PrestaShop to newer
 * versions in the future. If you wish to customize PrestaShop for your
 * needs please refer to https://devdocs.prestashop.com/ for more information.
 *
 * @author    PrestaShop SA and Contributors <contact@prestashop.com>
 * @copyright Since 2007 PrestaShop SA and Contributors
 * @license   https://opensource.org/licenses/AFL-3.0 Academic Free License 3.0 (AFL-3.0)
 */
if (!defined('_PS_VERSION_')) {
    exit;
}

function upgrade_module_4_0_0($object)
{
    $res = true;
    if (!Configuration::hasKey('PRODUCT_COMMENTS_COMMENTS_PER_PAGE')) {
        $res &= (bool) Configuration::updateValue('PRODUCT_COMMENTS_COMMENTS_PER_PAGE', 5);
    }
    if (!Configuration::hasKey('PRODUCT_COMMENTS_USEFULNESS')) {
        $res &= (bool) Configuration::updateValue('PRODUCT_COMMENTS_USEFULNESS', 1);
    }
    $res &= (bool) $object->unregisterHook('displayRightColumnProduct');
    $res &= (bool) $object->registerHook('displayProductAdditionalInfo');
    $res &= (bool) $object->registerHook('displayFooterProduct');

    return (bool) $res;
}