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_Coupon_Codegenerator extends Varien_Object
29:     implements Mage_SalesRule_Model_Coupon_CodegeneratorInterface
30: {
31:     /**
32:      * Retrieve generated code
33:      *
34:      * @return string
35:      */
36:     public function generateCode()
37:     {
38:         $alphabet = ($this->getAlphabet() ? $this->getAlphabet() : 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789');
39:         $lengthMin = ($this->getLengthMin() ? $this->getLengthMin() : 16);
40:         $lengthMax = ($this->getLengthMax() ? $this->getLengthMax() : 32);
41:         $length = ($this->getLength() ? $this->getLength() : rand($lengthMin, $lengthMax));
42:         $result = '';
43:         $indexMax = strlen($alphabet) - 1;
44:         for ($i = 0; $i < $length; $i++) {
45:             $index = rand(0, $indexMax);
46:             $result .= $alphabet{$index};
47:         }
48:         return $result;
49:     }
50: 
51:     /**
52:      * Retrieve delimiter
53:      *
54:      * @return string
55:      */
56:     public function getDelimiter()
57:     {
58:         return ($this->getData('delimiter') ? $this->getData('delimiter') : '-');
59:     }
60: }
61: