EntityFactory.php

<?php
 
namespace Bitrix\Im\V2\Sync\Entity;
 
use Bitrix\Im\V2\Sync\Event;
 
class EntityFactory
{
    public function createEntities(array $events): array
    {
        $messages = new Messages();
        $chats = new Chats();
        $pins = new PinMessages();
 
        foreach ($events as $event)
        {
            switch ($event->entityType)
            {
                case Event::CHAT_ENTITY:
                    $chats->add($event);
                    break;
                case Event::MESSAGE_ENTITY:
                    $messages->add($event);
                    break;
                case Event::PIN_MESSAGE_ENTITY:
                    $pins->add($event);
                    break;
            }
        }
 
        return [$chats, $messages, $pins];
    }
}