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<?php |
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/** |
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* Nexcess.net Turpentine Extension for Magento |
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* Copyright (C) 2012 Nexcess.net L.L.C. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with this program; if not, write to the Free Software Foundation, Inc., |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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*/ |
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class Nexcessnet_Turpentine_Helper_Ban extends Mage_Core_Helper_Abstract { |
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/** |
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* Get the regex for banning a product page from the cache, including |
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* any parent products for configurable/group products |
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* |
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* @param Mage_Catalog_Model_Product $product |
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* @return string |
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*/ |
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public function getProductBanRegex($product) { |
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$urlPatterns = array(); |
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foreach ($this->getParentProducts($product) as $parentProduct) { |
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if ($parentProduct->getUrlKey()) { |
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$urlPatterns[] = $parentProduct->getUrlKey(); |
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} |
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} |
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if ($product->getUrlKey()) { |
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$urlPatterns[] = $product->getUrlKey(); |
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} |
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if (empty($urlPatterns)) { |
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$urlPatterns[] = "##_NEVER_MATCH_##"; |
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} |
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$pattern = sprintf('(?:%s)', implode('|', $urlPatterns)); |
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return $pattern; |
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} |
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/** |
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* Get parent products of a configurable or group product |
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* |
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* @param Mage_Catalog_Model_Product $childProduct |
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* @return array |
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*/ |
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public function getParentProducts($childProduct) { |
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$parentProducts = array(); |
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foreach (array('configurable', 'grouped') as $pType) { |
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foreach (Mage::getModel('catalog/product_type_'.$pType) |
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->getParentIdsByChild($childProduct->getId()) as $parentId) { |
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$parentProducts[] = Mage::getModel('catalog/product') |
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->load($parentId); |
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} |
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} |
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return $parentProducts; |
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} |
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} |
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nexcess /
magento-turpentine
