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_SalesRule
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:  * SalesRule data helper
29:  */
30: class Mage_SalesRule_Helper_Data extends Mage_Core_Helper_Abstract
31: {
32:     /**
33:      * Set store and base price which will be used during discount calculation to item object
34:      *
35:      * @param   Mage_Sales_Model_Quote_Item_Abstract $item
36:      * @param   float $basePrice
37:      * @param   float $price
38:      * @return  Mage_SalesRule_Helper_Data
39:      */
40:     public function setItemDiscountPrices(Mage_Sales_Model_Quote_Item_Abstract $item, $basePrice, $price)
41:     {
42:         $item->setDiscountCalculationPrice($price);
43:         $item->setBaseDiscountCalculationPrice($basePrice);
44:         return $this;
45:     }
46: 
47:     /**
48:      * Add additional amounts to discount calculation prices
49:      *
50:      * @param   Mage_Sales_Model_Quote_Item_Abstract $item
51:      * @param   float $basePrice
52:      * @param   float $price
53:      * @return  Mage_SalesRule_Helper_Data
54:      */
55:     public function addItemDiscountPrices(Mage_Sales_Model_Quote_Item_Abstract $item, $basePrice, $price)
56:     {
57:         $discountPrice      = $item->getDiscountCalculationPrice();
58:         $baseDiscountPrice  = $item->getBaseDiscountCalculationPrice();
59: 
60:         if ($discountPrice || $baseDiscountPrice || $basePrice || $price) {
61:             $discountPrice      = $discountPrice ? $discountPrice : $item->getCalculationPrice();
62:             $baseDiscountPrice  = $baseDiscountPrice ? $baseDiscountPrice : $item->getBaseCalculationPrice();
63:             $this->setItemDiscountPrices($item, $baseDiscountPrice+$basePrice, $discountPrice+$price);
64:         }
65:         return $this;
66:     }
67: }
68: