prestashop/modules/ps_checkout/controllers/front/create.php

<?php
/**
 * Copyright since 2007 PrestaShop SA and Contributors
 * PrestaShop is an International Registered Trademark & Property of PrestaShop SA
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Academic Free License version 3.0
 * that is bundled with this package in the file LICENSE.md.
 * It is also available through the world-wide-web at this URL:
 * https://opensource.org/licenses/AFL-3.0
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@prestashop.com so we can send you a copy immediately.
 *
 * @author    PrestaShop SA and Contributors <contact@prestashop.com>
 * @copyright Since 2007 PrestaShop SA and Contributors
 * @license   https://opensource.org/licenses/AFL-3.0 Academic Free License version 3.0
 */
if (!defined('_PS_VERSION_')) {
    exit;
}

use PsCheckout\Core\Exception\PsCheckoutException;
use PsCheckout\Core\PayPal\Order\Action\CreatePayPalOrderAction;
use PsCheckout\Core\PayPal\Order\Configuration\PayPalOrderStatus;
use PsCheckout\Core\PayPal\Order\Request\ValueObject\CreatePayPalOrderRequest;
use PsCheckout\Infrastructure\Action\AddProductToCartAction;
use PsCheckout\Infrastructure\Adapter\Context;
use PsCheckout\Infrastructure\Controller\AbstractFrontController;
use PsCheckout\Infrastructure\Repository\PayPalOrderRepository;
use PsCheckout\Utility\Common\InputStreamUtility;

/**
 * This controller receives ajax call to create a PayPal Order
 */
class Ps_CheckoutCreateModuleFrontController extends AbstractFrontController
{
    /**
     * @see FrontController::postProcess()
     */
    public function postProcess()
    {
        try {
            /** @var Context $context */
            $context = $this->module->getService(Context::class);

            // BEGIN Express Checkout
            $requestData = [];

            /** @var InputStreamUtility $inputStreamUtility */
            $inputStreamUtility = $this->module->getService(InputStreamUtility::class);
            $bodyContent = $inputStreamUtility->getBodyContent();

            if (!empty($bodyContent)) {
                $requestData = json_decode($bodyContent, true);
            }

            $requestData['isExpressCheckout'] = (isset($requestData['isExpressCheckout']) && $requestData['isExpressCheckout']) || empty($this->context->cart->id_address_delivery);

            $createPayPalOrderRequest = new CreatePayPalOrderRequest($requestData);

            if ($this->shouldCreateCart($createPayPalOrderRequest)) {
                try {
                    /** @var AddProductToCartAction $addProductToCartAction */
                    $addProductToCartAction = $this->module->getService(AddProductToCartAction::class);
                    $addProductToCartAction->execute($createPayPalOrderRequest);
                } catch (PsCheckoutException $exception) {
                    $this->exitWithResponse([
                        'status' => false,
                        'httpCode' => 400,
                        'body' => [
                            'error' => [
                                'message' => 'Failed to update cart quantity.',
                            ],
                        ],
                    ]);
                }
            }
            // END Express Checkout

            if (!isset($context->getCart()->id)) {
                $this->exitWithResponse([
                    'httpCode' => 404,
                    'body' => 'Cart not found',
                ]);
            }

            // Validate PUI amount limits (5 EUR < amount < 2500 EUR)
            if ($createPayPalOrderRequest->getFundingSource() === 'pay_upon_invoice') {
                $cart = $context->getCart();
                $cartTotal = (float) $cart->getOrderTotal(true, \Cart::BOTH);

                if ($cartTotal <= 5.00 || $cartTotal >= 2500.00) {
                    $this->exitWithResponse([
                        'status' => false,
                        'httpCode' => 400,
                        'body' => [
                            'error' => [
                                'message' => $this->module->l('The payment is not valid: the amount is not eligible.', 'create'),
                            ],
                        ],
                    ]);
                }
            }

            if ($createPayPalOrderRequest->isExpressCheckout() || empty($context->getCart()->id_address_delivery)) {
                /** @var PayPalOrderRepository $payPalOrderRepository */
                $payPalOrderRepository = $this->module->getService(PayPalOrderRepository::class);

                $payPalOrder = $payPalOrderRepository->getOneByCartId((int) $context->getCart()->id);

                if ($payPalOrder && $payPalOrder->isExpressCheckout() && in_array(
                    $payPalOrder->getStatus(),
                    [
                            PayPalOrderStatus::CREATED,
                            PayPalOrderStatus::APPROVED,
                            PayPalOrderStatus::PAYER_ACTION_REQUIRED,
                        ],
                    true
                )) {
                    $this->exitWithResponse([
                        'status' => true,
                        'httpCode' => 200,
                        'body' => [
                            'orderID' => $payPalOrder->getId(),
                        ],
                        'exceptionCode' => null,
                        'exceptionMessage' => null,
                    ]);
                }
            }

            /** @var CreatePayPalOrderAction $createPayPalOrderAction */
            $createPayPalOrderAction = $this->module->getService(CreatePayPalOrderAction::class);
            $createPayPalOrderAction->execute((int) $context->getCart()->id, $createPayPalOrderRequest);

            /** @var PayPalOrderRepository $payPalOrderRepository */
            $payPalOrderRepository = $this->module->getService(PayPalOrderRepository::class);
            $payPalOrder = $payPalOrderRepository->getOneByCartId((int) $context->getCart()->id);

            if (!$payPalOrder) {
                $this->exitWithResponse([
                    'httpCode' => 404,
                    'body' => 'PayPal order not found',
                ]);
            }

            $this->exitWithResponse([
                'status' => true,
                'httpCode' => 200,
                'body' => [
                    'orderID' => $payPalOrder->getId(),
                ],
                'exceptionCode' => null,
                'exceptionMessage' => null,
            ]);
        } catch (Exception $exception) {
            $this->exitWithExceptionMessage($exception);
        } catch (Throwable $exception) {
            $this->exitWithExceptionMessage(new PsCheckoutException(
                'An error occurred while creating the PayPal order.',
                PsCheckoutException::UNKNOWN,
                $exception
            ));
        }
    }

    /**
     * @param CreatePayPalOrderRequest $checkoutRequest
     *
     * @return bool
     */
    private function shouldCreateCart(CreatePayPalOrderRequest $checkoutRequest): bool
    {
        return $checkoutRequest->getQuantityWanted() !== null
            || $checkoutRequest->getIdProduct() !== null
            || $checkoutRequest->getIdProductAttribute() !== null
            || $checkoutRequest->getIdCustomization() !== null;
    }
}