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_GoogleCheckout
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: /**
29:  * Tax resource model
30:  *
31:  * @category    Mage
32:  * @package     Mage_GoogleCheckout
33:  * @author      Magento Core Team <core@magentocommerce.com>
34:  */
35: class Mage_GoogleCheckout_Model_Resource_Tax extends Mage_Core_Model_Resource_Db_Abstract
36: {
37:     /**
38:      * Resource model initialization
39:      * Set main entity table name and primary key field name.
40:      *
41:      */
42:     protected function _construct()
43:     {
44:         $this->_init('tax/tax_rule', 'rule_id');
45:     }
46: 
47:     /**
48:      * Retrieve array of rule rates for customers tax class
49:      *
50:      * @param int $customerTaxClass
51:      * @return array
52:      */
53:     public function fetchRuleRatesForCustomerTaxClass($customerTaxClass)
54:     {
55:         $read   = $this->_getReadAdapter();
56:         $select = $read->select()
57:             ->from(array('rule' => $this->getMainTable()))
58:             ->join(
59:                 array('rd' => $this->getTable('tax/tax_rate_data')),
60:                 'rd.rate_type_id = rule.tax_rate_type_id',
61:                 array('value' => new Zend_Db_Expr('rate_value/100')))
62:             ->join(
63:                 array('r' => $this->getTable('tax/tax_rate')),
64:                 'r.tax_rate_id = rd.tax_rate_id',
65:                 array('country' => 'tax_country_id', 'postcode' => 'tax_postcode'))
66:             ->joinLeft(
67:                 array('reg' => $this->getTable('directory/country_region')),
68:                 'reg.region_id = r.tax_region_id',
69:                 array('state' => 'code'))
70:             ->where('rule.tax_customer_class_id = ?', (int)$customerTaxClass);
71: 
72:         $rows = $read->fetchAll($select);
73: 
74:         return $rows;
75:     }
76: }
77: