attachmenteditmanager.php

См. документацию.

<?php
 
namespace Bitrix\Calendar\ICal\MailInvitation;
 
use Bitrix\Calendar\Internals\EventTable;

class AttachmentEditManager extends AttachmentManager
{
    public function __construct(array $event)
    {
        parent::__construct($event);
        $this->uid = $event['DAV_XML_ID'];
    }
 
    public function getUid(): ?string
    {
        if ($this->uid)
        {
            return $this->uid;
        }
 
        if ($this->event['ID'])
        {
            $eventFromDb = EventTable::getById($this->event['ID'])->fetch();
 
            if ($eventFromDb && $eventFromDb['DAV_XML_ID'] && $eventFromDb['DELETED'] === 'N')
            {
                $this->uid = $eventFromDb['DAV_XML_ID'];
 
                return $this->uid;
            }
        }
 
        return null;
    }
}