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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Sales\Observer\Frontend;
use Magento\Customer\Helper\Address as CustomerAddress;
use Magento\Customer\Model\Address\AbstractAddress;
use Magento\Framework\Event\Observer;
use Magento\Framework\Event\ObserverInterface;
use Magento\Quote\Api\Data\ShippingAssignmentInterface;
use Magento\Quote\Model\Quote;
/**
* Class RestoreCustomerGroupId
*/
class RestoreCustomerGroupId implements ObserverInterface
{
/**
* Customer address
*
* @var CustomerAddress
*/
protected $customerAddressHelper;
/**
* @param CustomerAddress $customerAddressHelper
*/
public function __construct(CustomerAddress $customerAddressHelper)
{
$this->customerAddressHelper = $customerAddressHelper;
}
/**
* Restore initial customer group ID in quote if needed on collect_totals_after event of quote address
*
* @param Observer $observer
* @return void
*/
public function execute(Observer $observer)
{
/** @var ShippingAssignmentInterface $shippingAssignment */
$shippingAssignment = $observer->getEvent()->getShippingAssignment();
/** @var Quote $quote */
$quote = $observer->getEvent()->getQuote();
$address = $shippingAssignment->getShipping()->getAddress();
$configAddressType = $this->customerAddressHelper->getTaxCalculationAddressType();
// Restore initial customer group ID in quote only if VAT is calculated based on shipping address
if ($address->hasPrevQuoteCustomerGroupId() &&
$configAddressType == AbstractAddress::TYPE_SHIPPING
) {
$quote->setCustomerGroupId($address->getPrevQuoteCustomerGroupId());
$address->unsPrevQuoteCustomerGroupId();
}
}
}