Add topic description feature

app/code/Magento/AsynchronousOperations/Model/MassSchedule.php

@@ -8,6 +8,7 @@
 
 namespace Magento\AsynchronousOperations\Model;
 
+use Magento\Framework\App\ObjectManager;
 use Magento\Framework\DataObject\IdentityGeneratorInterface;
 use Magento\Framework\Exception\LocalizedException;
 use Magento\AsynchronousOperations\Api\Data\ItemStatusInterfaceFactory;
@@ -54,6 +55,11 @@ class MassSchedule
      */
     private $operationRepository;
 
+    /**
+     * @var TopicDescriptionPool
+     */
+    private $topicDescriptionPool;
+
     /**
      * Initialize dependencies.
      *
@@ -63,37 +69,52 @@ class MassSchedule
      * @param BulkManagementInterface $bulkManagement
      * @param LoggerInterface $logger
      * @param OperationRepository $operationRepository
+     * @param TopicDescriptionPool $topicDescriptionPool
      */
     public function __construct(
         IdentityGeneratorInterface $identityService,
         ItemStatusInterfaceFactory $itemStatusInterfaceFactory,
         AsyncResponseInterfaceFactory $asyncResponseFactory,
         BulkManagementInterface $bulkManagement,
         LoggerInterface $logger,
-        OperationRepository $operationRepository
+        OperationRepository $operationRepository,
+        TopicDescriptionPool $topicDescriptionPool = null
     ) {
         $this->identityService = $identityService;
         $this->itemStatusInterfaceFactory = $itemStatusInterfaceFactory;
         $this->asyncResponseFactory = $asyncResponseFactory;
         $this->bulkManagement = $bulkManagement;
         $this->logger = $logger;
         $this->operationRepository = $operationRepository;
+        $this->topicDescriptionPool = $topicDescriptionPool ?:
+            ObjectManager::getInstance()->get(TopicDescriptionPool::class);
     }
 
     /**
      * Schedule new bulk operation based on the list of entities
      *
-     * @param $topicName
-     * @param $entitiesArray
-     * @param null $groupId
-     * @param null $userId
+     * @param string $topicName
+     * @param array $entitiesArray
+     * @param int|null $groupId
+     * @param int|null $userId
+     * @param string|null $bulkDescription
      * @return AsyncResponseInterface
      * @throws BulkException
      * @throws LocalizedException
      */
-    public function publishMass($topicName, array $entitiesArray, $groupId = null, $userId = null)
-    {
-        $bulkDescription = __('Topic %1', $topicName);
+    public function publishMass(
+        $topicName,
+        array $entitiesArray,
+        $groupId = null,
+        $userId = null,
+        $bulkDescription = null
+    ) {
+        if ($bulkDescription === null) {
+            $bulkDescription = __($this->topicDescriptionPool->getDescription($topicName));
+        }
+        if ($bulkDescription === null) {
+            $bulkDescription = __('Topic %1', $topicName);
+        }
 
         if ($groupId == null) {
             $groupId = $this->identityService->generateId();

app/code/Magento/AsynchronousOperations/Model/TopicDescriptionPool.php

@@ -0,0 +1,46 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+declare(strict_types=1);
+
+namespace Magento\AsynchronousOperations\Model;
+
+/**
+ * Bulk operations description pool
+ */
+class TopicDescriptionPool
+{
+    /**
+     * @var array
+     */
+    private $descriptions;
+
+    /**
+     * BulkDescriptionPool constructor
+     *
+     * @param array $descriptions
+     */
+    public function __construct(
+        $descriptions = []
+    ) {
+        $this->descriptions = $descriptions;
+    }
+
+    /**
+     * Get description for a given topic name
+     *
+     * @param string $topicName
+     * @return string|null
+     */
+    public function getDescription($topicName)
+    {
+        if (isset($this->descriptions[$topicName])) {
+            return $this->descriptions[$topicName];
+        }
+
+        return null;
+    }
+}

app/code/Magento/AsynchronousOperations/Test/Unit/Model/TopicDescriptionPoolTest.php

@@ -0,0 +1,52 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+namespace Magento\AsynchronousOperations\Test\Unit\Model;
+
+use Magento\AsynchronousOperations\Model\TopicDescriptionPool;
+use Magento\Framework\TestFramework\Unit\Helper\ObjectManager;
+
+/**
+ * Class StatusMapperTest
+ */
+class TopicDescriptionPoolTest extends \PHPUnit\Framework\TestCase
+{
+    /**
+     * @var \Magento\AsynchronousOperations\Model\TopicDescriptionPool
+     */
+    private $topicDescriptionPool;
+
+    /**
+     * @var array
+     */
+    private $testTopics = [
+        'async.V1.test.topic1' => 'Test topic 1',
+        'async.V1.test.topic2' => 'Test topic 2',
+        'async.V1.test.topic3' => 'Test topic 3',
+    ];
+
+    protected function setUp()
+    {
+        $this->topicDescriptionPool = (new ObjectManager($this))->getObject(
+            TopicDescriptionPool::class,
+            [
+                'descriptions' => $this->testTopics
+            ]
+        );
+    }
+
+    public function testGetDescriptionOnExistingValues()
+    {
+        foreach ($this->testTopics as $topic => $description) {
+            self::assertEquals($description, $this->topicDescriptionPool->getDescription($topic));
+        }
+    }
+
+    public function testGetDescriptionOnNonExistingValue()
+    {
+        self::assertNull($this->topicDescriptionPool->getDescription('non.existing.topic'));
+    }
+}