Added paypal funding source on order review page

Author: nishant04412

app/code/Magento/Paypal/Block/Express/Review.php

@@ -7,7 +7,6 @@
 namespace Magento\Paypal\Block\Express;
 
 use Magento\Framework\Pricing\PriceCurrencyInterface;
-use Magento\Paypal\Model\Express\Checkout;
 use Magento\Quote\Model\Quote\Address\Rate;
 
 /**
@@ -307,17 +306,4 @@ protected function _beforeToHtml()
 
         return parent::_beforeToHtml();
     }
-
-    /**
-     * Return paypal funding source
-     *
-     * @return string|null
-     */
-    public function getPaypalFundingSource()
-    {
-        if ($this->_quote->getPayment()->getAdditionalInformation(Checkout::PAYMENT_INFO_FUNDING_SOURCE)) {
-            return ucfirst($this->_quote->getPayment()->getAdditionalInformation(Checkout::PAYMENT_INFO_FUNDING_SOURCE));
-        }
-        return null;
-    }
 }

app/code/Magento/Paypal/ViewModel/PaypalFundingSourceDataProvider.php

@@ -0,0 +1,49 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\Paypal\ViewModel;
+
+use Magento\Checkout\Model\Session;
+use Magento\Framework\View\Element\Block\ArgumentInterface;
+use Magento\Paypal\Model\Express\Checkout;
+
+/**
+ * Provides Paypal funding source data
+ *
+ */
+class PaypalFundingSourceDataProvider implements ArgumentInterface
+{
+    /**
+     * @var Session
+     */
+    private $checkoutSession;
+
+    /**
+     * @param Session $checkoutSession
+     */
+    public function __construct(
+        Session $checkoutSession
+    ) {
+        $this->checkoutSession = $checkoutSession;
+    }
+
+    /**
+     * Return paypal funding source
+     *
+     * @return string|null
+     */
+    public function getPaypalFundingSource()
+    {
+        $quote = $this->checkoutSession->getQuote();
+        if ($quote->getPayment()->getAdditionalInformation(Checkout::PAYMENT_INFO_FUNDING_SOURCE)) {
+            return ucfirst($quote->getPayment()->getAdditionalInformation(
+                Checkout::PAYMENT_INFO_FUNDING_SOURCE
+            ));
+        }
+        return null;
+    }
+}

app/code/Magento/Paypal/view/frontend/layout/paypal_express_review.xml

@@ -20,6 +20,9 @@
         </referenceContainer>
         <referenceContainer name="content">
             <block class="Magento\Paypal\Block\Express\Review" name="paypal.express.review" template="Magento_Paypal::express/review.phtml">
+                <arguments>
+                    <argument name="PaypalFundingSourceDataProvider" xsi:type="object">Magento\Paypal\ViewModel\PaypalFundingSourceDataProvider</argument>
+                </arguments>
                 <block class="Magento\Paypal\Block\Express\Review" name="express.review.shipping.method" as="shipping_method" template="Magento_Paypal::express/review/shipping/method.phtml"/>
                 <block class="Magento\Framework\View\Element\Text\ListText" name="paypal.additional.actions">
                     <block class="Magento\Checkout\Block\Cart\Coupon" name="paypal.cart.coupon" as="coupon" template="Magento_Checkout::cart/coupon.phtml"/>

app/code/Magento/Paypal/view/frontend/layout/paypal_payflowexpress_review.xml

@@ -20,6 +20,9 @@
         </referenceContainer>
         <referenceContainer name="content">
             <block class="Magento\Paypal\Block\Express\Review" name="paypal.express.review" template="Magento_Paypal::express/review.phtml">
+                <arguments>
+                    <argument name="PaypalFundingSourceDataProvider" xsi:type="object">Magento\Paypal\ViewModel\PaypalFundingSourceDataProvider</argument>
+                </arguments>
                 <action method="setControllerPath">
                     <argument name="prefix" xsi:type="string">paypal/payflowexpress</argument>
                 </action>

app/code/Magento/Paypal/view/frontend/templates/express/review.phtml

@@ -13,6 +13,9 @@ use Magento\Paypal\Block\Express\Review;
  * @var Escaper $escaper
  * @var SecureHtmlRenderer $secureRenderer
  */
+
+/** @var \Magento\Paypal\ViewModel\PaypalFundingSourceDataProvider $paypalFundingSourceDataProvider */
+$paypalFundingSourceDataProvider = $block->getData('PaypalFundingSourceDataProvider');
 ?>
 <div class="paypal-review view">
     <div class="block block-order-details-view">
@@ -101,7 +104,8 @@ use Magento\Paypal\Block\Express\Review;
             <div class="box box-order-billing-address">
                 <strong class="box-title"><span><?= $escaper->escapeHtml(__('Payment Method')) ?></span></strong>
                 <div class="box-content">
-                    <?= $escaper->escapeHtml($block->getPaypalFundingSource() ?? $block->getPaymentMethodTitle()) ?><br>
+                    <?= $escaper->escapeHtml($paypalFundingSourceDataProvider->getPaypalFundingSource()
+                        ?? $block->getPaymentMethodTitle()) ?><br>
                     <?= $escaper->escapeHtml($block->getEmail()) ?> <br>
                     <img src="https://www.paypalobjects.com/webstatic/en_US/i/buttons/pp-acceptance-medium.png"
                          alt="<?= $block->escapeHtml(__('Buy now with PayPal')) ?>"/>