Provider::closeDialog

static function closeDialog(?string $code): ?Result
{
	if (
		!isset($code)
		|| !Loader::includeModule('im')
		|| !Loader::includeModule('imopenlines')
	)
	{
		return null;
	}

	$chatId = Chat::getChatIdByUserCode($code);
	if (isset($chatId))
	{
		$control = new Operator($chatId);

		return $control->closeDialog();
	}

	return null;
}