first commit

bundles/KupShop/KafkaBundle/DBChanges/Util/DBMessageFactory.php

@@ -0,0 +1,49 @@
+<?php
+
+declare(strict_types=1);
+
+namespace KupShop\KafkaBundle\DBChanges\Util;
+
+use KupShop\KafkaBundle\DBChanges\MessageTypes\DBGenericMessage;
+use KupShop\KafkaBundle\DBChanges\MessageTypes\DBLegacyMessage;
+use KupShop\KafkaBundle\Exception\KafkaInvalidMessageException;
+use RdKafka\Message;
+use Symfony\Component\DependencyInjection\Attribute\TaggedLocator;
+use Symfony\Component\DependencyInjection\ServiceLocator;
+
+class DBMessageFactory
+{
+    public function __construct(
+        /** @param ServiceLocator<DBGenericMessage> $serviceLocator */
+        #[TaggedLocator(tag: 'kupshop.kafka.dbmessages', defaultIndexMethod: 'getClassTableName')] private ServiceLocator $serviceLocator,
+    ) {
+    }
+
+    /**
+     * @param $rawMessage array
+     *
+     * @throws KafkaInvalidMessageException
+     */
+    public function create(Message $rawMessage): DBGenericMessage
+    {
+        $body = json_decode($rawMessage->payload, true) ?? [];
+
+        if (!isset($body['cdc'])) {
+            // for messages in legacy format
+            $tableName = DBLegacyMessage::$tableName;
+        } else {
+            $tableName = $body['source']['table'] ?? '';
+
+            if (!$this->serviceLocator->has($tableName)) {
+                $tableName = DBGenericMessage::$tableName;
+            }
+        }
+
+        return $this->serviceLocator->get($tableName)->setMessage(
+            $rawMessage->offset,
+            (int) floor($rawMessage->timestamp / 1000),
+            $rawMessage->headers,
+            $body
+        );
+    }
+}