LcShopBundle/ShopBundle/Services/Price/PriceUtilsTrait.php

<?php

namespace Lc\ShopBundle\Price\Services;

trait PriceUtilsTrait
{
        public function applyTax($price, $taxRateValue)
        {
                return $this->round($this->applyPercent($price, $taxRateValue));
        }

        public function applyReductionPercent($price, $percentage)
        {
                return $this->applyPercent($price, -$percentage);
        }

        public function applyReductionAmount($price, $amount)
        {
                return $price - $amount;
        }

        public function applyPercent($price, $percentage)
        {
                return $price * ($percentage / 100 + 1);
        }

        public function applyPercentNegative($price, $percentage)
        {
                return $price / ($percentage / 100 + 1);
        }

        public function round($price)
        {
                return round((($price * 100)) / 100, 2);
        }
}