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Path: /data/applications/aps/magento/1.9.2.1-35/standard/htdocs/app/code/core/Mage/Rss/Model/ [ Home ]
File: Observer.php
<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * 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 through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * 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@magento.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magento.com for more information.
 *
 * @category    Mage
 * @package     Mage_Rss
 * @copyright  Copyright (c) 2006-2015 X.commerce, Inc. (http://www.magento.com)
 * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */


/**
 * Rss Observer Model
 *
 * @category   Mage
 * @package    Mage_Rss
 * @author     Magento Core Team <core@magentocommerce.com>
 */
class Mage_Rss_Model_Observer
{
    /**
     * Factory instance
     *
     * @var Mage_Core_Model_Abstract
     */
    protected $_factory;

    /**
     * Application instance
     *
     * @var Mage_Core_Model_App
     */
    protected $_app;

    /**
     * @param array $args
     */
    public function __construct(array $args = array())
    {
        $this->_factory = !empty($args['factory']) ? $args['factory'] : Mage::getSingleton('core/factory');
        $this->_app = !empty($args['app']) ? $args['app'] : Mage::app();
    }

    /**
     * Clean cache for catalog review rss
     *
     * @param Varien_Event_Observer $observer
     * @return void
     */
    public function reviewSaveAfter(Varien_Event_Observer $observer)
    {
        $this->_cleanCache(Mage_Rss_Block_Catalog_Review::CACHE_TAG);
    }

    /**
     * Clean cache for notify stock rss
     *
     * @param Varien_Event_Observer $observer
     * @return void
     */
    public function salesOrderItemSaveAfterNotifyStock(Varien_Event_Observer $observer)
    {
        $this->_cleanCache(Mage_Rss_Block_Catalog_NotifyStock::CACHE_TAG);
    }

    /**
     * Clean cache for catalog new orders rss
     *
     * @param Varien_Event_Observer $observer
     * @return void
     */
    public function salesOrderItemSaveAfterOrderNew(Varien_Event_Observer $observer)
    {
        $this->_cleanCache(Mage_Rss_Block_Order_New::CACHE_TAG);
    }

    /**
     * Cleaning cache
     *
     * @param string $tag
     */
    protected function _cleanCache($tag)
    {
        if ($this->_factory->getHelper('rss')->isRssEnabled()) {
            $this->_app->cleanCache(array($tag));
        }
    }
}