Router::buildIvrActionGraph

protected function buildIvrActionGraph($ivrActionId)
{
	$config = $this->call->getConfig();
	$root = new IvrAction($ivrActionId);
	$lastNode = $root;

	$action = IvrActionTable::getRowById($ivrActionId);

	if($action['ACTION'] === BitrixVoximplantIvrAction::ACTION_QUEUE)
	{
		$queueId = $action['PARAMETERS']['QUEUE_ID'];
		$queueNode = $this->buildQueueGraph($queueId, $config['TIMEMAN'] === 'Y');
		if($queueNode instanceof Node)
		{
			$lastNode->setNext($queueNode);
		}
	}
	else if ($action['ACTION'] === BitrixVoximplantIvrAction::ACTION_USER)
	{
		$userId = $action['PARAMETERS']['USER_ID'];
		list($userNode, $nextNode) = $this->buildUserGraph($userId, 'ivr', 'voicemail');
		$lastNode->setNext($userNode);
		$lastNode = $nextNode;
	}
	else if ($action['ACTION'] === BitrixVoximplantIvrAction::ACTION_PHONE)
	{
		$phoneNumber = $action['PARAMETERS']['PHONE_NUMBER'];
		$pstnNode = new Pstn(CVoxImplantPhone::stripLetters($phoneNumber), 'voicemail');
		$lastNode->setNext($pstnNode);
	}
	else if ($action['ACTION'] === BitrixVoximplantIvrAction::ACTION_DIRECT_CODE)
	{
		$entityInfo = CVoxImplantIncoming::getByInternalPhoneNumber($this->call->getGatheredDigits());

		if($entityInfo)
		{
			if ($entityInfo['ENTITY_TYPE'] === 'user')
			{
				list($directNode, $nextNode) = static::buildUserGraph($entityInfo['ENTITY_ID'], 'direct', 'voicemail');
				$lastNode->setNext($directNode);
				$lastNode = $nextNode;
			}
			else
			{
				$queueNode = static::buildQueueGraph($entityInfo['ENTITY_ID'], $config['TIMEMAN' === 'Y']);
				$lastNode->setNext($queueNode);
				$lastNode = $queueNode;
			}
		}
		else
		{
			return new Hangup(404, 'Could not find user with extension number ' . $this->call->getGatheredDigits());
		}
	}
	return $root;
}