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_Downloadable
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:  * Downloadable products price model
29:  *
30:  * @category    Mage
31:  * @package     Mage_Downloadable
32:  * @author      Magento Core Team <core@magentocommerce.com>
33:  */
34: class Mage_Downloadable_Model_Product_Price extends Mage_Catalog_Model_Product_Type_Price
35: {
36:     /**
37:      * Retrieve product final price
38:      *
39:      * @param integer $qty
40:      * @param Mage_Catalog_Model_Product $product
41:      * @return float
42:      */
43:     public function getFinalPrice($qty=null, $product)
44:     {
45:         if (is_null($qty) && !is_null($product->getCalculatedFinalPrice())) {
46:             return $product->getCalculatedFinalPrice();
47:         }
48: 
49:         $finalPrice = parent::getFinalPrice($qty, $product);
50: 
51:         /**
52:          * links prices are added to base product price only if they can be purchased separately
53:          */
54:         if ($product->getLinksPurchasedSeparately()) {
55:             if ($linksIds = $product->getCustomOption('downloadable_link_ids')) {
56:                 $linkPrice = 0;
57:                 $links = $product->getTypeInstance(true)
58:                     ->getLinks($product);
59:                 foreach (explode(',', $linksIds->getValue()) as $linkId) {
60:                     if (isset($links[$linkId])) {
61:                         $linkPrice += $links[$linkId]->getPrice();
62:                     }
63:                 }
64:                 $finalPrice += $linkPrice;
65:             }
66:         }
67: 
68:         $product->setData('final_price', $finalPrice);
69:         return max(0, $product->getData('final_price'));
70:     }
71: }
72: