incominginvitationcancelhandler.php

<?php
 
 
namespace Bitrix\Calendar\ICal\MailInvitation;
 
 
use Bitrix\Calendar\Core\Event\Properties\ExcludedDatesCollection;
use Bitrix\Calendar\ICal\Parser\Calendar;
use Bitrix\Main\ArgumentException;
use Bitrix\Main\ObjectPropertyException;
use Bitrix\Main\SystemException;
use CCalendar;
 
class IncomingInvitationCancelHandler extends IncomingInvitationHandler
{
    private $userId;
    private $icalComponent;
 
    public function __construct()
    {
    }
 
    public static function createWithComponent(int $userId, Calendar $icalComponent): IncomingInvitationCancelHandler
    {
        $handler = new self();
        $handler->userId = $userId;
        $handler->icalComponent = $icalComponent;
 
        return $handler;
    }
 
    public function handle(): bool
    {
        $icalEvent = $this->icalComponent->getEvent();
        $event = Helper::getEventByUId($icalEvent->getUid());
 
        if ($event)
        {
            if ($icalEvent->getRecurrenceId() !== null)
            {
                $date = $this->getExdateFromRecurrenceId($icalEvent->getRecurrenceId());
                if ($date !== null)
                {
                    \CCalendarEvent::ExcludeInstance(
                        $event['ID'],
                        $date->format(ExcludedDatesCollection::EXCLUDED_DATE_FORMAT)
                    );
 
                    return true;
                }
            }
            else
            {
                return CCalendar::DeleteEvent($event['ID'], true, [
                    'sendNotification' => true,
                    'userId' => (int)$event['OWNER_ID'],
                ]);
            }
        }
 
        return false;
    }
 
    public function setUserId($userId): IncomingInvitationCancelHandler
    {
        $this->userId = $userId;
 
        return $this;
    }
 
    private function getExdateFromRecurrenceId(?\Bitrix\Calendar\ICal\Parser\ParserPropertyType $property)
    {
        if ($property->getParameterValueByName('value') === 'DATE')
        {
            return Helper::getIcalDate($property->getValue());
        }
        elseif ($tz = $property->getParameterValueByName('tzid'))
        {
            return Helper::getIcalDateTime($property->getValue(), $tz);
        }
 
        return null;
    }
}