vendorsyncservice.php

<?php
    
namespace Bitrix\Calendar\Sync\Icloud;
 
class VendorSyncService
{
    protected Helper $helper;
    protected ?ApiService $apiService = null;
    protected ?string $error = null;
    
    public function __construct()
    {
        $this->helper = new Helper();
    }
 
    //DavConnection data or only authorization data
    public function getCalendarServerPath(array $connection): ?string
    {
        if (empty($connection['ID']))
        {
            $server = $this->getApiService()->prepareUrl($this->helper::SERVER_PATH);
 
            $server['path'] = $this->getApiService()->getPrinciples($connection, $server);
            if (!$server['path'])
            {
                return null;
            }
 
            $calendarPath = $this->getApiService()->getCalendarPath($connection, $server);
 
            if ($calendarPath)
            {
                return $calendarPath;
            }
 
            return null;
        }
 
        return $connection['SERVER_SCHEME']
            . '://'
            . $connection['SERVER_HOST']
            . $connection['SERVER_PATH']
        ;
    }
 
    public static function generateUuid(): string
    {
        $word = sprintf( '%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
            mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ),
            mt_rand( 0, 0xffff ),
            mt_rand( 0, 0x0fff ) | 0x4000,
            mt_rand( 0, 0x3fff ) | 0x8000,
            mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff )
        );
        
        return mb_strtoupper($word);
    }
 
    private function getApiService(): ApiService
    {
        if (!$this->apiService)
        {
            $this->apiService = new ApiService();
        }
 
        return $this->apiService;
    }
    
    public function getError(): ?string
    {
        return $this->error;
    }
}