event.php

<?php
 
namespace Bitrix\Calendar\Ui\Preview;
 
use Bitrix\Main\Loader;
use Bitrix\Main\Localization\Loc;
 
Loc::loadLanguageFile(__FILE__);
 
class Event
{
    public static function buildPreview(array $params)
    {
        global $APPLICATION;
        $eventId = (int)$params['eventId'];
        if(!$eventId)
        {
            return '';
        }
 
        ob_start();
        $APPLICATION->IncludeComponent(
            'bitrix:calendar.event.preview',
            '',
            $params
        );
        return ob_get_clean();
    }
 
    public static function checkUserReadAccess(array $params): bool
    {
        $eventId = (int)$params['eventId'];
        if(
            !$eventId
            || !Loader::includeModule('calendar')
        )
        {
            return false;
        }
 
        $events = \CCalendarEvent::getList(
            [
                'arFilter' => [
                    'ID' => $eventId,
                    'DELETED' => false,
                ],
                'parseRecursion' => false,
                'fetchAttendees' => true,
                'checkPermissions' => true,
                'setDefaultLimit' => false
            ]
        );
 
        return ($events && is_array($events[0]));
    }
 
    public static function getImAttach(array $params)
    {
        return false;
    }
 
    public static function getImRich(array $params)
    {
        if (!Loader::includeModule('im'))
        {
            return false;
        }
 
        if (!class_exists('\Bitrix\Im\V2\Entity\Url\RichData'))
        {
            return false;
        }
 
        return (new \Bitrix\Im\V2\Entity\Url\RichData())->setType(\Bitrix\Im\V2\Entity\Url\RichData::CALENDAR_TYPE);
    }
 
    protected static function getUser()
    {
        global $USER;
 
        return $USER;
    }
}