58 lines
2.0 KiB
PHP
58 lines
2.0 KiB
PHP
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<?php
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/*
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* 2007-2015 PrestaShop
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*
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* NOTICE OF LICENSE
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*
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* This source file is subject to the Open Software License (OSL 3.0)
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* that is bundled with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://opensource.org/licenses/osl-3.0.php
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@prestashop.com so we can send you a copy immediately.
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*
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* DISCLAIMER
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*
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* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
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* versions in the future. If you wish to customize PrestaShop for your
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* needs please refer to http://www.prestashop.com for more information.
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*
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* @author PrestaShop SA <contact@prestashop.com>
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* @copyright 2007-2015 PrestaShop SA
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* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
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* International Registered Trademark & Property of PrestaShop SA
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*/
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/**
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* Regenerate the entire category tree level_depth
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*/
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function regenerate_level_depth()
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{
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Db::getInstance()->execute('UPDATE `'._DB_PREFIX_.'category` SET `level_depth` = 0 WHERE `id_category` = 1');
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regenerate_children_categories(1, 0);
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}
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/**
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* Recursively regenerate the level_depth of this category's children
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*
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* @param int $id_category
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* @param int $level_depth
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*/
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function regenerate_children_categories($id_category, $level_depth)
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{
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$categories = Db::getInstance()->executeS('SELECT `id_category` FROM `'._DB_PREFIX_.'category` WHERE `id_parent` = '.(int)$id_category);
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if (!$categories) {
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return;
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}
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$new_depth = (int)$level_depth + 1;
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$cat_ids = "";
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foreach ($categories as $category) {
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$cat_ids .= (string)$category['id_category'].',';
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regenerate_children_categories($category['id_category'], $new_depth);
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}
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$cat_ids = substr($cat_ids, 0, -1);
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Db::getInstance()->execute('UPDATE `'._DB_PREFIX_.'category` SET `level_depth` = '.(int)$new_depth.' WHERE `id_category` IN ('.$cat_ids.')');
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}
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