base.php

См. документацию.

<?php
 
namespace Bitrix\Calendar\Core\Oauth;
 
use Bitrix\Main\Engine\UrlManager;
use Bitrix\Main\Loader;
use Bitrix\Main\Security\Random;
use Bitrix\Main\Web\Uri;
 
abstract class Base
{
    protected \CSocServAuth $oauthClient;

    protected string $serviceName;

    public static function getInstance(): ?static
    {
        if (!Loader::includeModule('socialservices'))
        {
            return null;
        }
 
        if (!$userId = \CCalendar::GetCurUserId())
        {
            return null;
        }
 
        $className = static::class;
 
        $instance = new $className($userId);
 
        if (!$instance->checkService())
        {
            return null;
        }
 
        $instance->serviceName = $className::getServiceName();
 
        return $instance;
    }

    abstract protected function __construct($userId);

    abstract public function getUrl(): string;

    abstract protected function checkService(): bool;
 

    abstract public static function getServiceName(): string;
}