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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
/**
* CatalogRule data helper
*/
namespace Magento\CatalogRule\Helper;
class Data extends \Magento\Framework\App\Helper\AbstractHelper
{
/**
* Algorithm for calculating price by rule
*
* @param string $actionOperator
* @param int $ruleAmount
* @param float $price
* @return float|int
*/
public function calcPriceRule($actionOperator, $ruleAmount, $price)
{
$priceRule = 0;
switch ($actionOperator) {
case 'to_fixed':
$priceRule = min($ruleAmount, $price);
break;
case 'to_percent':
$priceRule = $price * $ruleAmount / 100;
break;
case 'by_fixed':
$priceRule = max(0, $price - $ruleAmount);
break;
case 'by_percent':
$priceRule = $price * (1 - $ruleAmount / 100);
break;
}
return $priceRule;
}
}