EventHandler::saveTelegramUserCodeToSession

static function saveTelegramUserCodeToSession(): void
{
	$request = Main\Application::getInstance()->getContext()->getRequest();

	$isTelegramRequest =
		$request->get(self::TELEGRAM_WEB_APP) !== null
		&& !empty($request->get(self::TELEGRAM_USER_CODE))
	;

	if ($isTelegramRequest)
	{
		$session = Main\Application::getInstance()->getSession();
		if ($session->isAccessible())
		{
			$session->set(self::TELEGRAM_USER_CODE, $request->get(self::TELEGRAM_USER_CODE));
		}
	}
}