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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Sales\Model\Order\Validation;
use Magento\Framework\App\Config\ScopeConfigInterface;
use Magento\Framework\App\ObjectManager;
use Magento\Framework\Pricing\PriceCurrencyInterface;
use Magento\Sales\Api\Data\OrderInterface;
use Magento\Sales\Model\Order;
use Magento\Sales\Model\ValidatorInterface;
class CanRefund implements ValidatorInterface
{
/**
* @var PriceCurrencyInterface
*/
private $priceCurrency;
/**
* @var ScopeConfigInterface
*/
private $scopeConfig;
/**
* CanRefund constructor.
*
* @param PriceCurrencyInterface $priceCurrency
* @param ScopeConfigInterface|null $scopeConfig
*/
public function __construct(
PriceCurrencyInterface $priceCurrency,
?ScopeConfigInterface $scopeConfig = null
) {
$this->priceCurrency = $priceCurrency;
$this->scopeConfig = $scopeConfig ?? ObjectManager::getInstance()->get(ScopeConfigInterface::class);
}
/**
* @inheritdoc
*/
public function validate($entity)
{
$messages = [];
if ($entity->getState() === Order::STATE_PAYMENT_REVIEW ||
$entity->getState() === Order::STATE_HOLDED ||
$entity->getState() === Order::STATE_CANCELED ||
$entity->getState() === Order::STATE_CLOSED
) {
$messages[] = __(
'A creditmemo can not be created when an order has a status of %1',
$entity->getStatus()
);
} elseif (!$this->isTotalPaidEnoughForRefund($entity)) {
$messages[] = __('The order does not allow a creditmemo to be created.');
}
return $messages;
}
/**
* We can have problem with float in php (on some server $a=762.73;$b=762.73; $a-$b!=0)
* for this we have additional diapason for 0
* TotalPaid - contains amount, that were not rounded.
*
* @param OrderInterface $order
* @return bool
*/
private function isTotalPaidEnoughForRefund(OrderInterface $order)
{
$isAllowedZeroGrandTotal = $this->scopeConfig->getValue(
'sales/zerograndtotal_creditmemo/allow_zero_grandtotal',
\Magento\Store\Model\ScopeInterface::SCOPE_STORE
);
return !abs($this->priceCurrency->round($order->getTotalPaid()) - $order->getTotalRefunded()) < .0001 ||
$order->getTotalPaid() == 0 &&
$isAllowedZeroGrandTotal;
}
}