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Path: /data/applications/aps/magento/1.1.3-2/standard/htdocs/app/code/core/Mage/Rss/Block/Catalog/ [ Home ]
File: New.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@magentocommerce.com so we can send you a copy immediately.
 *
 * @category   Mage
 * @package    Mage_Rss
 * @copyright  Copyright (c) 2008 Irubin Consulting Inc. DBA Varien (http://www.varien.com)
 * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

/**
 * Review form block
 *
 * @category   Mage
 * @package    Mage_Rss
 * @author      Magento Core Team <core@magentocommerce.com>
 */
class Mage_Rss_Block_Catalog_New extends Mage_Rss_Block_Abstract
{
    protected function _construct()
    {
        /*
        * setting cache to save the rss for 10 minutes
        */
        //$this->setCacheKey('rss_catalog_new_'.$this->_getStoreId());
        //$this->setCacheLifetime(600);
    }

    protected function _toHtml()
    {
        $storeId = $this->_getStoreId();

        $newurl = Mage::getUrl('rss/catalog/new');
        $title = Mage::helper('rss')->__('New Products from %s',Mage::app()->getStore()->getGroup()->getName());
        $lang = Mage::getStoreConfig('general/locale/code');

        $rssObj = Mage::getModel('rss/rss');
        $data = array('title' => $title,
                'description' => $title,
                'link'        => $newurl,
                'charset'     => 'UTF-8',
                'language'    => $lang
                );
        $rssObj->_addHeader($data);
/*
oringinal price - getPrice() - inputed in admin
special price - getSpecialPrice()
getFinalPrice() - used in shopping cart calculations
*/

        $product = Mage::getModel('catalog/product');
        $todayDate = $product->getResource()->formatDate(time());

        $products = $product->getCollection()
            ->setStoreId($storeId)
            ->addStoreFilter()
            ->addAttributeToFilter('news_from_date', array('date'=>true, 'to'=> $todayDate))
            ->addAttributeToFilter(array(array('attribute'=>'news_to_date', 'date'=>true, 'from'=>$todayDate), array('attribute'=>'news_to_date', 'is' => new Zend_Db_Expr('null'))),'','left')
            ->addAttributeToSort('news_from_date','desc')
            ->addAttributeToSelect(array('name', 'short_description', 'description', 'price', 'thumbnail'), 'inner')
            ->addAttributeToSelect(array('special_price', 'special_from_date', 'special_to_date'), 'left')
        ;

        Mage::getSingleton('catalog/product_status')->addVisibleFilterToCollection($products);
        Mage::getSingleton('catalog/product_visibility')->addVisibleInCatalogFilterToCollection($products);
//echo $products->getSelect();
        /*
        using resource iterator to load the data one by one
        instead of loading all at the same time. loading all data at the same time can cause the big memory allocation.
        */
        Mage::getSingleton('core/resource_iterator')
            ->walk($products->getSelect(), array(array($this, 'addNewItemXmlCallback')), array('rssObj'=> $rssObj, 'product'=>$product));

        return $rssObj->createRssXml();
    }

    public function addNewItemXmlCallback($args)
    {
        $product = $args['product'];
        //$product->unsetData()->load($args['row']['entity_id']);
        $product->setData($args['row']);
        $final_price = $product->getFinalPrice();
        $description = '<table><tr>'.
            '<td><a href="'.$product->getProductUrl().'"><img src="'.$product->getThumbnailUrl().'" border="0" align="left" height="75" width="75"></a></td>'.
            '<td  style="text-decoration:none;">'.$product->getDescription().
            '<p> Price:'.Mage::helper('core')->currency($product->getPrice()).
            ($product->getPrice() != $final_price  ? ' Special Price:'. Mage::helper('core')->currency($final_price) : '').
            '</p>'.
            '</td>'.
            '</tr></table>';
        $rssObj = $args['rssObj'];
        $data = array(
                'title'         => $product->getName(),
                'link'          => $product->getProductUrl(),
                'description'   => $description,

                );
        $rssObj->_addEntry($data);
    }
}