MC-16375: Unable to pay with Braintree Paypal (Payment Action = Authorize and Capture) for Gift Card as Guest

- Fix braintree paypal quote address

Author: VeronikaYarats

app/code/Magento/Braintree/Plugin/DisableQuoteAddressValidation.php

@@ -0,0 +1,59 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\Braintree\Plugin;
+
+use Magento\Quote\Api\CartRepositoryInterface;
+use Magento\Quote\Api\Data\PaymentInterface;
+use Magento\Quote\Api\CartManagementInterface;
+
+/**
+ * Plugin for CartManagementInterface to disable quote address validation
+ */
+class DisableQuoteAddressValidation
+{
+    /**
+     * @var CartRepositoryInterface
+     */
+    private $quoteRepository;
+
+    /**
+     * @param CartRepositoryInterface $quoteRepository
+     */
+    public function __construct(
+        CartRepositoryInterface $quoteRepository
+    ) {
+        $this->quoteRepository = $quoteRepository;
+    }
+
+    /**
+     * Disable quote address validation before place order
+     *
+     * @param CartManagementInterface $subject
+     * @param \Closure $proceed
+     * @param int $cartId
+     * @param PaymentInterface|null $payment
+     * @return int
+     * @throws \Magento\Framework\Exception\NoSuchEntityException
+     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
+     */
+    public function aroundPlaceOrder(
+        CartManagementInterface $subject,
+        \Closure $proceed,
+        int $cartId,
+        PaymentInterface $payment = null
+    ) {
+        $quote = $this->quoteRepository->get($cartId);
+        if ($quote->getPayment()->getMethod() == 'braintree_paypal' &&
+            $quote->getCheckoutMethod() == CartManagementInterface::METHOD_GUEST) {
+            $billingAddress = $quote->getBillingAddress();
+            $billingAddress->setShouldIgnoreValidation(true);
+            $quote->setBillingAddress($billingAddress);
+        }
+        return $proceed($cartId, $payment);
+    }
+}

app/code/Magento/Braintree/etc/di.xml

@@ -626,5 +626,6 @@
 
     <type name="Magento\Quote\Api\CartManagementInterface">
         <plugin name="order_cancellation" type="Magento\Braintree\Plugin\OrderCancellation"/>
+        <plugin name="disable_quote_address_validation" type="Magento\Braintree\Plugin\DisableQuoteAddressValidation"/>
     </type>
 </config>

app/code/Magento/Braintree/view/frontend/web/js/view/payment/method-renderer/paypal.js

@@ -187,17 +187,17 @@ define([
          */
         setBillingAddress: function (customer, address) {
             var billingAddress = {
-                street: [address.streetAddress],
-                city: address.locality,
+                street: [address.line1],
+                city: address.city,
                 postcode: address.postalCode,
-                countryId: address.countryCodeAlpha2,
+                countryId: address.countryCode,
                 email: customer.email,
                 firstname: customer.firstName,
                 lastname: customer.lastName,
-                telephone: customer.phone
+                telephone: customer.phone,
+                regionCode: address.state
             };
-
-            billingAddress['region_code'] = address.region;
+            
             billingAddress = createBillingAddress(billingAddress);
             quote.billingAddress(billingAddress);
         },
@@ -209,10 +209,12 @@ define([
         beforePlaceOrder: function (payload) {
             this.setPaymentPayload(payload);
 
-            if ((this.isRequiredBillingAddress() || quote.billingAddress() === null) &&
-                typeof payload.details.billingAddress !== 'undefined'
-            ) {
-                this.setBillingAddress(payload.details, payload.details.billingAddress);
+            if (this.isRequiredBillingAddress() || quote.billingAddress() === null)  {
+                if (typeof payload.details.billingAddress !== 'undefined') {
+                    this.setBillingAddress(payload.details, payload.details.billingAddress);
+                } else {
+                    this.setBillingAddress(payload.details, payload.details.shippingAddress);
+                }
             }
 
             if (this.isSkipOrderReview()) {