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_Checkout
 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:  * API Resource class for product
 29:  */
 30: class Mage_Checkout_Model_Api_Resource_Product extends Mage_Checkout_Model_Api_Resource
 31: {
 32:     /**
 33:      * Default ignored attribute codes
 34:      *
 35:      * @var array
 36:      */
 37:     protected $_ignoredAttributeCodes = array('entity_id', 'attribute_set_id', 'entity_type_id');
 38: 
 39:     /**
 40:      * Return loaded product instance
 41:      *
 42:      * @param  int|string $productId (SKU or ID)
 43:      * @param  int|string $store
 44:      * @param  string $identifierType
 45:      * @return Mage_Catalog_Model_Product
 46:      */
 47:     protected function _getProduct($productId, $store = null, $identifierType = null)
 48:     {
 49:         $product = Mage::helper('catalog/product')->getProduct($productId,
 50:                         $this->_getStoreId($store),
 51:                         $identifierType
 52:         );
 53:         return $product;
 54:     }
 55: 
 56:     /**
 57:      * Get request for product add to cart procedure
 58:      *
 59:      * @param   mixed $requestInfo
 60:      * @return  Varien_Object
 61:      */
 62:     protected function _getProductRequest($requestInfo)
 63:     {
 64:         if ($requestInfo instanceof Varien_Object) {
 65:             $request = $requestInfo;
 66:         } elseif (is_numeric($requestInfo)) {
 67:             $request = new Varien_Object();
 68:             $request->setQty($requestInfo);
 69:         } else {
 70:             $request = new Varien_Object($requestInfo);
 71:         }
 72: 
 73:         if (!$request->hasQty()) {
 74:             $request->setQty(1);
 75:         }
 76:         return $request;
 77:     }
 78: 
 79:     /**
 80:      * Get QuoteItem by Product and request info
 81:      *
 82:      * @param Mage_Sales_Model_Quote $quote
 83:      * @param Mage_Catalog_Model_Product $product
 84:      * @param Varien_Object $requestInfo
 85:      * @return Mage_Sales_Model_Quote_Item
 86:      * @throw Mage_Core_Exception
 87:      */
 88:     protected function _getQuoteItemByProduct(Mage_Sales_Model_Quote $quote,
 89:                             Mage_Catalog_Model_Product $product,
 90:                             Varien_Object $requestInfo)
 91:     {
 92:         $cartCandidates = $product->getTypeInstance(true)
 93:                         ->prepareForCartAdvanced($requestInfo,
 94:                                 $product,
 95:                                 Mage_Catalog_Model_Product_Type_Abstract::PROCESS_MODE_FULL
 96:         );
 97: 
 98:         /**
 99:          * Error message
100:          */
101:         if (is_string($cartCandidates)) {
102:             throw Mage::throwException($cartCandidates);
103:         }
104: 
105:         /**
106:          * If prepare process return one object
107:          */
108:         if (!is_array($cartCandidates)) {
109:             $cartCandidates = array($cartCandidates);
110:         }
111: 
112:         /** @var $item Mage_Sales_Model_Quote_Item */
113:         $item = null;
114:         foreach ($cartCandidates as $candidate) {
115:             if ($candidate->getParentProductId()) {
116:                 continue;
117:             }
118: 
119:             $item = $quote->getItemByProduct($candidate);
120:         }
121: 
122:         if (is_null($item)) {
123:             $item = Mage::getModel("sales/quote_item");
124:         }
125: 
126:         return $item;
127:     }
128: }
129: