PWA-1611: Add operation status to DeleteNegotiableQuotesOutput

* Added base GraphQL error TypeResolver

Author: amolina-adobe

app/code/Magento/GraphQl/Model/Mutation/Resolver/ErrorTypeResolver.php

@@ -0,0 +1,45 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\GraphQl\Model\Mutation\Resolver;
+
+use Magento\Framework\GraphQl\Query\Resolver\TypeResolverInterface;
+
+/**
+ * @inheritdoc
+ */
+class ErrorTypeResolver implements TypeResolverInterface
+{
+    /**
+     * Array of recognized errors for mutation operations.
+     *
+     * @var string[]
+     */
+    private $validErrorTypes;
+
+    /**
+     * @param string[] $validErrorTypes
+     */
+    public function __construct(array $validErrorTypes)
+    {
+        $this->validErrorTypes = $validErrorTypes;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function resolveType(array $data): string
+    {
+        if (isset($data['error_type']) && in_array($data['error_type'], $this->validErrorTypes)) {
+            $errorType = $data['error_type'];
+        } else {
+            $errorType = 'InternalError';
+        }
+
+        return $errorType;
+    }
+}

app/code/Magento/GraphQl/etc/graphql/di.xml

@@ -30,4 +30,12 @@
             </argument>
         </arguments>
     </type>
+    <type name="Magento\GraphQl\Model\Mutation\Resolver\ErrorTypeResolver">
+        <arguments>
+            <argument name="validErrorTypes" xsi:type="array">
+                <item name="no_such_entity_uid" xsi:type="string">NoSuchEntityUidError</item>
+                <item name="internal_error" xsi:type="string">InternalError</item>
+            </argument>
+        </arguments>
+    </type>
 </config>

app/code/Magento/GraphQl/etc/schema.graphqls

@@ -289,7 +289,7 @@ enum BatchMutationStatus {
     MIXED_RESULTS
 }
 
-interface ErrorInterface {
+interface ErrorInterface @typeResolver(class: "\\Magento\\GraphQl\\Model\\Mutation\\Resolver\\ErrorTypeResolver") {
     message: String!
 }