Nexcessnet_Turpentine_Helper_Ban

Complexity

Total Complexity

8

Size/Duplication

Total Lines	43
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	0

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	getProductBanRegex()	0	16	5
A	getParentProducts()	0	11	3

<?php

/**
 * Nexcess.net Turpentine Extension for Magento
 * Copyright (C) 2012  Nexcess.net L.L.C.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

class Nexcessnet_Turpentine_Helper_Ban extends Mage_Core_Helper_Abstract {
    /**
     * Get the regex for banning a product page from the cache, including
     * any parent products for configurable/group products
     *
     * @param  Mage_Catalog_Model_Product $product
     * @return string
     */
    public function getProductBanRegex($product) {
        $urlPatterns = array();
        foreach ($this->getParentProducts($product) as $parentProduct) {
            if ($parentProduct->getUrlKey()) {
                $urlPatterns[] = $parentProduct->getUrlKey();
            }
        }
        if ($product->getUrlKey()) {
            $urlPatterns[] = $product->getUrlKey();
        }
        if (empty($urlPatterns)) {
            $urlPatterns[] = "##_NEVER_MATCH_##";
        }
        $pattern = sprintf('(?:%s)', implode('|', $urlPatterns));
        return $pattern;
    }

    /**
     * Get parent products of a configurable or group product
     *
     * @param  Mage_Catalog_Model_Product $childProduct
     * @return array
     */
    public function getParentProducts($childProduct) {
        $parentProducts = array();
        foreach (array('configurable', 'grouped') as $pType) {
            foreach (Mage::getModel('catalog/product_type_'.$pType)
                    ->getParentIdsByChild($childProduct->getId()) as $parentId) {
                $parentProducts[] = Mage::getModel('catalog/product')
                    ->load($parentId);
            }
        }
        return $parentProducts;
    }
}