1: <?php
  2: /**
  3:  * Magento
  4:  *
  5:  * NOTICE OF LICENSE
  6:  *
  7:  * This source file is subject to the Open Software License (OSL 3.0)
  8:  * that is bundled with this package in the file LICENSE.txt.
  9:  * It is also available through the world-wide-web at this URL:
 10:  * http://opensource.org/licenses/osl-3.0.php
 11:  * If you did not receive a copy of the license and are unable to
 12:  * obtain it through the world-wide-web, please send an email
 13:  * to license@magentocommerce.com so we can send you a copy immediately.
 14:  *
 15:  * DISCLAIMER
 16:  *
 17:  * Do not edit or add to this file if you wish to upgrade Magento to newer
 18:  * versions in the future. If you wish to customize Magento for your
 19:  * needs please refer to http://www.magentocommerce.com for more information.
 20:  *
 21:  * @category    Mage
 22:  * @package     Mage_XmlConnect
 23:  * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
 24:  * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 25:  */
 26: 
 27: /**
 28:  * Related products block
 29:  *
 30:  * @category    Mage
 31:  * @package     Mage_XmlConnect
 32:  * @author      Magento Core Team <core@magentocommerce.com>
 33:  */
 34: class Mage_XmlConnect_Block_Catalog_Product_Related extends Mage_XmlConnect_Block_Catalog_Product_List
 35: {
 36:     /**
 37:      * Retrieve related products xml object based on current product
 38:      *
 39:      * @return Mage_XmlConnect_Model_Simplexml_Element
 40:      * @see $this->getProduct()
 41:      */
 42:     public function getRelatedProductsXmlObj()
 43:     {
 44:         /** @var $relatedXmlObj Mage_XmlConnect_Model_Simplexml_Element */
 45:         $relatedXmlObj = Mage::getModel('xmlconnect/simplexml_element', '<related_products></related_products>');
 46: 
 47:         $productObj = $this->getParentBlock()->getProduct();
 48: 
 49:         if (is_object(Mage::getConfig()->getNode('modules/Enterprise_TargetRule'))) {
 50:             Mage::register('product', $productObj);
 51: 
 52:             $productBlock = $this->getLayout()->addBlock(
 53:                 'enterprise_targetrule/catalog_product_list_related', 'relatedProducts'
 54:             );
 55: 
 56:             $collection = $productBlock->getItemCollection();
 57:         } else {
 58:             if ($productObj->getId() > 0) {
 59:                 $collection = $this->_getProductCollection();
 60:                 if (!$collection) {
 61:                     return $relatedXmlObj;
 62:                 }
 63:                 $collection = $collection->getItems();
 64:             }
 65:         }
 66: 
 67:         $this->_addProductXmlObj($relatedXmlObj, $collection);
 68: 
 69:         return $relatedXmlObj;
 70:     }
 71: 
 72:     /**
 73:      * Add related products info to xml object
 74:      *
 75:      * @param Mage_XmlConnect_Model_Simplexml_Element $relatedXmlObj
 76:      * @param array $collection
 77:      * @return Mage_XmlConnect_Model_Simplexml_Element
 78:      */
 79:     protected function _addProductXmlObj(Mage_XmlConnect_Model_Simplexml_Element $relatedXmlObj, $collection)
 80:     {
 81:         foreach ($collection as $product) {
 82:             $productXmlObj = $this->productToXmlObject($product);
 83: 
 84:             if (!$productXmlObj) {
 85:                 continue;
 86:             }
 87: 
 88:             if ($this->getParentBlock()->getChild('product_price')) {
 89:                 $this->getParentBlock()->getChild('product_price')->setProduct($product)
 90:                     ->setProductXmlObj($productXmlObj)->collectProductPrices();
 91:             }
 92:             $relatedXmlObj->appendChild($productXmlObj);
 93:         }
 94:         return $relatedXmlObj;
 95:     }
 96: 
 97:     /**
 98:      * Generate related products xml
 99:      *
100:      * @return string
101:      */
102:     protected function _toHtml()
103:     {
104:         return $this->getRelatedProductsXmlObj()->asNiceXml();
105:     }
106: 
107:     /**
108:      * Retrieve product collection with all prepared data
109:      *
110:      * @return Mage_Eav_Model_Entity_Collection_Abstract
111:      */
112:     protected function _getProductCollection()
113:     {
114:         if (is_null($this->_productCollection)) {
115:             $collection = $this->getParentBlock()->getProduct()->getRelatedProductCollection();
116:             Mage::getSingleton('catalog/layer')->prepareProductCollection($collection);
117:             /**
118:              * Add rating and review summary, image attribute, apply sort params
119:              */
120:             $this->_prepareCollection($collection);
121:             $this->_productCollection = $collection;
122:         }
123:         return $this->_productCollection;
124:     }
125: }
126: