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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Tax\Model\ResourceModel\Calculation;
/**
* Tax rule resource model
*
* @author Magento Core Team <core@magentocommerce.com>
*/
class Rule extends \Magento\Framework\Model\ResourceModel\Db\AbstractDb
{
/**
* Resource initialization
*
* @return void
*/
protected function _construct()
{
$this->_init('tax_calculation_rule', 'tax_calculation_rule_id');
}
/**
* Initialize unique fields
*
* @return \Magento\Tax\Model\ResourceModel\Calculation\Rule
*/
protected function _initUniqueFields()
{
$this->_uniqueFields = [['field' => ['code'], 'title' => __('Code')]];
return $this;
}
/**
* Fetches rules by rate, customer tax classes and product tax classes. Returns array of rule codes.
*
* @param array $rateId
* @param array $customerTaxClassIds
* @param array $productTaxClassIds
* @return array
*/
public function fetchRuleCodes($rateId, $customerTaxClassIds, $productTaxClassIds)
{
$connection = $this->getConnection();
$select = $connection->select()
->from(['main' => $this->getTable('tax_calculation')], null)
->joinLeft(
['d' => $this->getTable('tax_calculation_rule')],
'd.tax_calculation_rule_id = main.tax_calculation_rule_id',
['d.code']
)
->where('main.tax_calculation_rate_id in (?)', $rateId)
->where('main.customer_tax_class_id in (?)', $customerTaxClassIds)
->where('main.product_tax_class_id in (?)', $productTaxClassIds)
->distinct(true);
return $connection->fetchCol($select);
}
}