AC-5979: Rest API products-render-info return wrong final price for logged in customer

Author: wip44850

app/code/Magento/Catalog/Plugin/Model/ProductRenderList.php

@@ -0,0 +1,151 @@
+<?php
+/**
+ * Copyright 2025 Adobe
+ * All Rights Reserved.
+ */
+
+declare(strict_types=1);
+
+namespace Magento\Catalog\Plugin\Model;
+
+use Magento\Authorization\Model\UserContextInterface;
+use Magento\Catalog\Model\ProductRenderList as Subject;
+use Magento\Customer\Api\CustomerRepositoryInterface;
+use Magento\Customer\Model\Group;
+use Magento\Customer\Model\Session as CustomerSession;
+use Magento\Framework\Api\SearchCriteriaInterface;
+use Magento\Framework\App\State;
+use Magento\Framework\Exception\LocalizedException;
+use Magento\Framework\Exception\NoSuchEntityException;
+use Magento\Framework\Webapi\Rest\Request;
+use Psr\Log\LoggerInterface;
+
+/**
+ * Plugin to fix customer group context in ProductRenderList for API requests
+ */
+class ProductRenderList
+{
+    /**
+     * @var UserContextInterface
+     */
+    private $userContext;
+
+    /**
+     * @var CustomerRepositoryInterface
+     */
+    private $customerRepository;
+
+    /**
+     * @var CustomerSession
+     */
+    private $customerSession;
+
+    /**
+     * @var State
+     */
+    private $appState;
+
+    /**
+     * @var LoggerInterface
+     */
+    private $logger;
+
+    /**
+     * @var Request
+     */
+    private $request;
+
+    /**
+     * @param UserContextInterface $userContext
+     * @param CustomerRepositoryInterface $customerRepository
+     * @param CustomerSession $customerSession
+     * @param State $appState
+     * @param LoggerInterface $logger
+     * @param Request $request
+     */
+    public function __construct(
+        UserContextInterface $userContext,
+        CustomerRepositoryInterface $customerRepository,
+        CustomerSession $customerSession,
+        State $appState,
+        LoggerInterface $logger,
+        Request $request
+    ) {
+        $this->userContext = $userContext;
+        $this->customerRepository = $customerRepository;
+        $this->customerSession = $customerSession;
+        $this->appState = $appState;
+        $this->logger = $logger;
+        $this->request = $request;
+    }
+
+    /**
+     * Before getList - set customer group context for proper pricing
+     *
+     * @param Subject $subject
+     * @param SearchCriteriaInterface $searchCriteria
+     * @param int $storeId
+     * @param string $currencyCode
+     * @return array
+     */
+    public function beforeGetList(
+        Subject $subject,
+        SearchCriteriaInterface $searchCriteria,
+        $storeId,
+        $currencyCode
+    ): array {
+        try {
+            if ($this->appState->getAreaCode() !== 'webapi_rest') {
+                return [$searchCriteria, $storeId, $currencyCode];
+            }
+
+            $customerGroupId = $this->getCustomerGroupId();
+
+            // Set customer group ID in session for proper pricing context
+            if ($customerGroupId !== null) {
+                $this->customerSession->setCustomerGroupId($customerGroupId);
+            }
+
+        } catch (\Exception $e) {
+            $this->logger->error(
+                'Error in ProductRenderList plugin: ' . $e->getMessage(),
+                ['exception' => $e]
+            );
+        }
+
+        return [$searchCriteria, $storeId, $currencyCode];
+    }
+
+    /**
+     * Get customer group ID from current context
+     *
+     * @return int|null
+     */
+    private function getCustomerGroupId(): ?int
+    {
+        try {
+            $userType = $this->userContext->getUserType();
+
+            if ($userType === UserContextInterface::USER_TYPE_CUSTOMER) {
+                $customerId = $this->userContext->getUserId();
+                if ($customerId) {
+                    $customer = $this->customerRepository->getById($customerId);
+                    return (int)$customer->getGroupId();
+                }
+            }
+            // For guest users, return the not logged in group ID
+            return Group::NOT_LOGGED_IN_ID;
+
+        } catch (NoSuchEntityException $e) {
+            $this->logger->warning(
+                'Customer not found in ProductRenderList plugin: ' . $e->getMessage()
+            );
+            return Group::NOT_LOGGED_IN_ID;
+        } catch (LocalizedException $e) {
+            $this->logger->error(
+                'Error getting customer group ID in ProductRenderList plugin: ' . $e->getMessage()
+            );
+            return null;
+        }
+    }
+}