/** * @param \Magento\SalesRule\Model\Rule $rule * @param \Magento\Quote\Model\Quote\Item\AbstractItem $item * @param float $qty * @param float $rulePercent * @return Data */ protected function _calculate($rule, $item, $qty, $rulePercent) { /** @var \Magento\SalesRule\Model\Rule\Action\Discount\Data $discountData */ $discountData = $this->discountFactory->create(); $itemPrice = $this->validator->getItemPrice($item); $baseItemPrice = $this->validator->getItemBasePrice($item); $itemOriginalPrice = $this->validator->getItemOriginalPrice($item); $baseItemOriginalPrice = $this->validator->getItemBaseOriginalPrice($item); $_rulePct = $rulePercent / 100; $discountData->setAmount(($qty * $itemPrice - $item->getDiscountAmount()) * $_rulePct); $discountData->setBaseAmount(($qty * $baseItemPrice - $item->getBaseDiscountAmount()) * $_rulePct); $discountData->setOriginalAmount(($qty * $itemOriginalPrice - $item->getDiscountAmount()) * $_rulePct); $discountData->setBaseOriginalAmount(($qty * $baseItemOriginalPrice - $item->getBaseDiscountAmount()) * $_rulePct); if (!$rule->getDiscountQty() || $rule->getDiscountQty() > $qty) { $discountPercent = min(100, $item->getDiscountPercent() + $rulePercent); $item->setDiscountPercent($discountPercent); } return $discountData; }
/** * Return discount item qty * * @param \Magento\Quote\Model\Quote\Item\AbstractItem $item * @param \Magento\SalesRule\Model\Rule $rule * @return int */ public function getItemQty($item, $rule) { $qty = $item->getTotalQty(); $discountQty = $rule->getDiscountQty(); return $discountQty ? min($qty, $discountQty) : $qty; }