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:  * Review 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_Review_List extends Mage_XmlConnect_Block_Catalog_Product_Review
 35: {
 36:     /**
 37:      * Store reviews collection
 38:      *
 39:      * @var Mage_Review_Model_Mysql4_Review_Collection
 40:      */
 41:     protected $_reviewCollection = null;
 42: 
 43:     /**
 44:      * Produce reviews list xml object
 45:      *
 46:      * @return Mage_XmlConnect_Model_Simplexml_Element
 47:      */
 48:     public function getReviewsXmlObject()
 49:     {
 50:         $reviewsXmlObj = Mage::getModel('xmlconnect/simplexml_element', '<reviews></reviews>');
 51:         $collection    = $this->_getReviewCollection();
 52: 
 53:         if (!$collection) {
 54:             return $reviewsXmlObj;
 55:         }
 56:         foreach ($collection->getItems() as $review) {
 57:             $reviewXmlObj = $this->reviewToXmlObject($review);
 58:             if ($reviewXmlObj) {
 59:                 $reviewsXmlObj->appendChild($reviewXmlObj);
 60:             }
 61:         }
 62: 
 63:         return $reviewsXmlObj;
 64:     }
 65: 
 66:     /**
 67:      * Retrieve reviews collection with all prepared data and limitations
 68:      *
 69:      * @return Mage_Eav_Model_Entity_Collection_Abstract
 70:      */
 71:     protected function _getReviewCollection()
 72:     {
 73:         if (is_null($this->_reviewCollection)) {
 74:             $product = $this->getProduct();
 75:             $request = $this->getRequest();
 76:             if (!$product) {
 77:                 return null;
 78:             }
 79:             /** @var $collection Mage_Review_Model_Mysql4_Review_Collection */
 80:             $collection = Mage::getResourceModel('review/review_collection')
 81:                 ->addEntityFilter('product', $product->getId())->addStoreFilter(Mage::app()->getStore()->getId())
 82:                 ->addStatusFilter('approved')->setDateOrder();
 83: 
 84:             /**
 85:              * Apply offset and count
 86:              */
 87:             $offset = (int)$request->getParam('offset', 0);
 88:             $count  = (int)$request->getParam('count', 0);
 89:             $count  = $count <= 0 ? 1 : $count;
 90:             $collection->getSelect()->limit($count, $offset);
 91: 
 92:             $this->_reviewCollection = $collection;
 93:         }
 94:         return $this->_reviewCollection;
 95:     }
 96: 
 97:     /**
 98:      * Render reviews list xml
 99:      *
100:      * @return string
101:      */
102:     protected function _toHtml()
103:     {
104:         $product = Mage::getModel('catalog/product')->load((int)$this->getRequest()->getParam('id', 0));
105:         if ($product->getId()) {
106:             $this->setProduct($product);
107:         }
108: 
109:         return $this->getReviewsXmlObject()->asNiceXml();
110:     }
111: }
112: