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: class Mage_SalesRule_Model_Quote_Freeshipping extends Mage_Sales_Model_Quote_Address_Total_Abstract
 29: {
 30:     /**
 31:      * Discount calculation object
 32:      *
 33:      * @var Mage_SalesRule_Model_Validator
 34:      */
 35:     protected $_calculator;
 36: 
 37:     public function __construct()
 38:     {
 39:         $this->setCode('discount');
 40:         $this->_calculator = Mage::getSingleton('salesrule/validator');
 41:     }
 42: 
 43:     /**
 44:      * Collect information about free shipping for all address items
 45:      *
 46:      * @param   Mage_Sales_Model_Quote_Address $address
 47:      * @return  Mage_SalesRule_Model_Quote_Freeshipping
 48:      */
 49:     public function collect(Mage_Sales_Model_Quote_Address $address)
 50:     {
 51:         parent::collect($address);
 52:         $quote = $address->getQuote();
 53:         $store = Mage::app()->getStore($quote->getStoreId());
 54: 
 55:         $address->setFreeShipping(0);
 56:         $items = $this->_getAddressItems($address);
 57:         if (!count($items)) {
 58:             return $this;
 59:         }
 60:         $this->_calculator->init($store->getWebsiteId(), $quote->getCustomerGroupId(), $quote->getCouponCode());
 61: 
 62:         $isAllFree = true;
 63:         foreach ($items as $item) {
 64:             if ($item->getNoDiscount()) {
 65:                 $isAllFree = false;
 66:                 $item->setFreeShipping(false);
 67:             } else {
 68:                 /**
 69:                  * Child item discount we calculate for parent
 70:                  */
 71:                 if ($item->getParentItemId()) {
 72:                     continue;
 73:                 }
 74:                 $this->_calculator->processFreeShipping($item);
 75:                 $isItemFree = (bool)$item->getFreeShipping();
 76:                 $isAllFree = $isAllFree && $isItemFree;
 77:                 if ($item->getHasChildren() && $item->isChildrenCalculated()) {
 78:                     foreach ($item->getChildren() as $child) {
 79:                         $this->_calculator->processFreeShipping($child);
 80:                         /**
 81:                          * Parent free shipping we apply to all children
 82:                          */
 83:                         if ($isItemFree) {
 84:                             $child->setFreeShipping($isItemFree);
 85:                         }
 86: 
 87:                     }
 88:                 }
 89:             }
 90:         }
 91:         if ($isAllFree && !$address->getFreeShipping()) {
 92:             $address->setFreeShipping(true);
 93:         }
 94:         return $this;
 95:     }
 96: 
 97:    /**
 98:     * Add information about free shipping for all address items to address object
 99:     * By default we not present such information
100:     *
101:     * @param   Mage_Sales_Model_Quote_Address $address
102:     * @return  Mage_SalesRule_Model_Quote_Freeshipping
103:     */
104:     public function fetch(Mage_Sales_Model_Quote_Address $address)
105:     {
106:         return $this;
107:     }
108: 
109: }
110: