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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);
namespace Magento\Checkout\Controller\Cart;
use Magento\Checkout\Model\Cart\RequestQuantityProcessor;
use Magento\Checkout\Model\Session as CheckoutSession;
use Magento\Framework\App\Action\Action;
use Magento\Framework\App\Action\Context;
use Magento\Framework\App\Action\HttpPostActionInterface;
use Magento\Framework\Data\Form\FormKey\Validator as FormKeyValidator;
use Magento\Framework\Exception\LocalizedException;
use Magento\Framework\Exception\NotFoundException;
use Magento\Framework\Serialize\Serializer\Json;
use Magento\Quote\Model\Quote\Item;
use Psr\Log\LoggerInterface;
/**
* UpdateItemQty ajax request
*
* @package Magento\Checkout\Controller\Cart
*/
class UpdateItemQty extends Action implements HttpPostActionInterface
{
/**
* @var RequestQuantityProcessor
*/
private $quantityProcessor;
/**
* @var FormKeyValidator
*/
private $formKeyValidator;
/**
* @var CheckoutSession
*/
private $checkoutSession;
/**
* @var Json
*/
private $json;
/**
* @var LoggerInterface
*/
private $logger;
/**
* UpdateItemQty constructor
*
* @param Context $context
* @param RequestQuantityProcessor $quantityProcessor
* @param FormKeyValidator $formKeyValidator
* @param CheckoutSession $checkoutSession
* @param Json $json
* @param LoggerInterface $logger
*/
public function __construct(
Context $context,
RequestQuantityProcessor $quantityProcessor,
FormKeyValidator $formKeyValidator,
CheckoutSession $checkoutSession,
Json $json,
LoggerInterface $logger
) {
$this->quantityProcessor = $quantityProcessor;
$this->formKeyValidator = $formKeyValidator;
$this->checkoutSession = $checkoutSession;
$this->json = $json;
$this->logger = $logger;
parent::__construct($context);
}
/**
* Controller execute method
*
* @return void
*/
public function execute()
{
try {
$this->validateRequest();
$this->validateFormKey();
$cartData = $this->getRequest()->getParam('cart');
$this->validateCartData($cartData);
$cartData = $this->quantityProcessor->process($cartData);
$quote = $this->checkoutSession->getQuote();
foreach ($cartData as $itemId => $itemInfo) {
$item = $quote->getItemById($itemId);
$qty = isset($itemInfo['qty']) ? (double) $itemInfo['qty'] : 0;
if ($item) {
$this->updateItemQuantity($item, $qty);
}
}
$this->jsonResponse();
} catch (LocalizedException $e) {
$this->jsonResponse($e->getMessage());
} catch (\Exception $e) {
$this->logger->critical($e->getMessage());
$this->jsonResponse('Something went wrong while saving the page. Please refresh the page and try again.');
}
}
/**
* Updates quote item quantity.
*
* @param Item $item
* @param float $qty
* @return void
* @throws LocalizedException
*/
private function updateItemQuantity(Item $item, float $qty)
{
if ($qty > 0) {
$item->clearMessage();
$item->setQty($qty);
if ($item->getHasError()) {
throw new LocalizedException(__($item->getMessage()));
}
}
}
/**
* JSON response builder.
*
* @param string $error
* @return void
*/
private function jsonResponse(string $error = '')
{
$this->getResponse()->representJson(
$this->json->serialize($this->getResponseData($error))
);
}
/**
* Returns response data.
*
* @param string $error
* @return array
*/
private function getResponseData(string $error = ''): array
{
$response = ['success' => true];
if (!empty($error)) {
$response = [
'success' => false,
'error_message' => $error,
];
}
return $response;
}
/**
* Validates the Request HTTP method
*
* @return void
* @throws NotFoundException
*/
private function validateRequest()
{
if ($this->getRequest()->isPost() === false) {
throw new NotFoundException(__('Page Not Found'));
}
}
/**
* Validates form key
*
* @return void
* @throws LocalizedException
*/
private function validateFormKey()
{
if (!$this->formKeyValidator->validate($this->getRequest())) {
throw new LocalizedException(
__('Something went wrong while saving the page. Please refresh the page and try again.')
);
}
}
/**
* Validates cart data
*
* @param array|null $cartData
* @return void
* @throws LocalizedException
*/
private function validateCartData($cartData = null)
{
if (!is_array($cartData)) {
throw new LocalizedException(
__('Something went wrong while saving the page. Please refresh the page and try again.')
);
}
}
}