注文時に支払い方法が非表示に変更された場合エラーが発生するよう修正

app/config/eccube/packages/purchaseflow.yaml

@@ -94,6 +94,7 @@ services:
         arguments:
             - #
                 - '@Eccube\Service\PurchaseFlow\Processor\AddPointProcessor'  # 加算ポイントの計算
+                - '@Eccube\Service\PurchaseFlow\Processor\PaymentValidator'
                 - '@Eccube\Service\PurchaseFlow\Processor\PaymentTotalLimitValidator'
                 - '@Eccube\Service\PurchaseFlow\Processor\PaymentTotalNegativeValidator'
                 - '@Eccube\Service\PurchaseFlow\Processor\PaymentChargeChangeValidator' # 手数料の変更検知

src/Eccube/Resource/locale/messages.en.yaml

@@ -387,6 +387,7 @@ front.shopping.price_changed: 'The selling price of %product% has been changed.'
 front.shopping.payment_total_invalid: The total amount is invalid.
 front.shopping.different_payment_methods: Sorry, your order includes items with different purchase methods, which are unable to be processed in one order.
 front.shopping.payment_method_unselected: Please select the payment method.
+front.shopping.not_available_payment_method: The payment method you have selected is not available.
 front.shopping.payment_method_not_fount: Sorry, you have no payment options. If you have selected multiple delivery methods, you can only select the same payment option for them all.
 front.under_maintenance: The site is currently under maintenance.
 

src/Eccube/Resource/locale/messages.ja.yaml

@@ -387,6 +387,7 @@ front.shopping.price_changed: '「%product%」の販売価格が変更されま
 front.shopping.payment_total_invalid: 合計金額が不正です。
 front.shopping.different_payment_methods: 支払い方法が異なる商品が含まれているため、同時に購入することはできません。
 front.shopping.payment_method_unselected: お支払い方法を選択してください。
+front.shopping.not_available_payment_method: 選択したお支払い方法はご利用できません。
 front.shopping.payment_method_not_fount: 選択できるお支払い方法がありません。配送方法が異なる場合は同じ配送方法を選んでください。
 front.under_maintenance: メンテナンスモードが有効になっています。
 

src/Eccube/Service/PurchaseFlow/Processor/PaymentValidator.php

@@ -17,6 +17,7 @@
 use Eccube\Entity\Delivery;
 use Eccube\Entity\ItemHolderInterface;
 use Eccube\Entity\Master\SaleType;
+use Eccube\Entity\Order;
 use Eccube\Entity\Payment;
 use Eccube\Repository\DeliveryRepository;
 use Eccube\Service\PurchaseFlow\ItemHolderValidator;
@@ -76,6 +77,13 @@ protected function validate(ItemHolderInterface $itemHolder, PurchaseContext $co
         if (empty($paymentIds)) {
             $this->throwInvalidItemException('front.shopping.different_payment_methods');
         }
+
+        if ($itemHolder instanceof Order) {
+            // 支払い方法が非表示の場合はエラー
+            if (false === $itemHolder->getPayment()->isVisible()) {
+                $this->throwInvalidItemException('front.shopping.not_available_payment_method');
+            }
+        }
     }
 
     private function getDeliveries(SaleType $SaleType)

tests/Eccube/Tests/Service/PurchaseFlow/Processor/PaymentValidatorTest.php

@@ -0,0 +1,57 @@
+<?php
+
+/*
+ * This file is part of EC-CUBE
+ *
+ * Copyright(c) EC-CUBE CO.,LTD. All Rights Reserved.
+ *
+ * http://www.ec-cube.co.jp/
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Eccube\Tests\Service\PurchaseFlow\Processor;
+
+use Eccube\Entity\Delivery;
+use Eccube\Service\PurchaseFlow\Processor\PaymentValidator;
+use Eccube\Service\PurchaseFlow\PurchaseContext;
+use Eccube\Tests\EccubeTestCase;
+
+class PaymentValidatorTest extends EccubeTestCase
+{
+    /**
+     * @var PaymentValidator
+     */
+    private $validator;
+
+    /**
+     * @var $Order
+     */
+    private $Order;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        $deliveryRepository = $this->entityManager->getRepository(Delivery::class);
+        $this->validator = new PaymentValidator($deliveryRepository);
+
+        $Customer = $this->createCustomer();
+        $this->Order = $this->createOrder($Customer);
+    }
+
+    public function testInstance()
+    {
+        self::assertInstanceOf(PaymentValidator::class, $this->validator);
+    }
+
+    public function testValidatePaymentVisibleFalse()
+    {
+        $this->Order->getPayment()->setVisible(false);
+
+        $result = $this->validator->execute($this->Order, new PurchaseContext());
+
+        self::assertTrue($result->isError());
+    }
+}