#31168 updated after get list method

Author: korovitskyi

app/code/Magento/Newsletter/Model/Plugin/CustomerPlugin.php

@@ -234,6 +234,37 @@ public function afterGetById(CustomerRepositoryInterface $subject, CustomerInter
         return $customer;
     }
 
+    /**
+     * Add subscription status to customer list
+     *
+     * @param CustomerRepositoryInterface $subject
+     * @param SearchResults $searchResults
+     * @return SearchResults
+     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
+     */
+    public function afterGetList(CustomerRepositoryInterface $subject, SearchResults $searchResults): SearchResults
+    {
+        $customerEmails = [];
+
+        foreach ($searchResults->getItems() as $customer) {
+            $customerEmails[] = $customer->getEmail();
+        }
+
+        $collection = $this->collectionFactory->create();
+        $collection->addFieldToFilter('subscriber_email', ['in' => $customerEmails]);
+
+        foreach ($searchResults->getItems() as $customer) {
+            /** @var CustomerExtensionInterface $extensionAttributes */
+            $extensionAttributes = $customer->getExtensionAttributes();
+            /** @var Subscriber $subscribe */
+            $subscribe = $collection->getItemByColumnValue('subscriber_email', $customer->getEmail());
+            $isSubscribed = $subscribe && (int) $subscribe->getStatus() === Subscriber::STATUS_SUBSCRIBED;
+            $extensionAttributes->setIsSubscribed($isSubscribed);
+        }
+
+        return $searchResults;
+    }
+
     /**
      * Set Is Subscribed extension attribute
      *

dev/tests/integration/testsuite/Magento/Newsletter/Model/Plugin/PluginTest.php

@@ -217,6 +217,10 @@ public function testCustomerWithTwoNewsLetterSubscriptions()
         /** @var \Magento\Framework\Api\SearchCriteriaBuilder $searchBuilder */
         $searchBuilder = Bootstrap::getObjectManager()->create(\Magento\Framework\Api\SearchCriteriaBuilder::class);
         $searchCriteria = $searchBuilder->addFilter('entity_id', 1)->create();
-        $this->customerRepository->getList($searchCriteria);
+        $items = $this->customerRepository->getList($searchCriteria)->getItems();
+        /** @var \Magento\Customer\Api\Data\CustomerInterface $customer */
+        $customer = $items[0];
+        $extensionAttributes = $customer->getExtensionAttributes();
+        $this->assertTrue($extensionAttributes->getIsSubscribed());
     }
 }