TunnelManager::updateStageTunnels

public function updateStageTunnels(array $tunnels, string $stageId,  int $userId): Main\Result
{
	$result = new Main\Result();

	if (!$this->isAvailable())
	{
		$result->addError(new Error(Loc::getMessage('CRM_AUTOMATION_TUNNEL_UNAVAILABLE')));
		return $result;
	}

	$template = new Bizproc\Automation\Engine\Template($this->documentType, $stageId);

	if ($template->isExternalModified())
	{
		$result->addError(new Error(Loc::getMessage('CRM_AUTOMATION_TUNNEL_ADD_ERROR_EXTERNAL_TEMPLATE')));
		return $result;
	}

	$templateRobots = $template->getRobots();
	$robotsMap = [];
	if (!empty($templateRobots) && is_array($templateRobots))
	{
		foreach ($templateRobots as $robot)
		{
			$robotsMap[$robot->getName()] = $robot;
		}
	}
	$robots = [];
	foreach ($tunnels as $tunnel)
	{
		if ($tunnel['srcCategory'] === $tunnel['dstCategory'])
		{
			$result->addError(new Error(Loc::getMessage('CRM_AUTOMATION_TUNNEL_ADD_ERROR_SAME_CATEGORY2')));
			return $result;
		}

		if (!$tunnel['robot'])
		{
			$robot = $this->createRobot($tunnel['dstCategory'], $tunnel['dstStage']);
			$robots[] = $robot;
		}
		else
		{
			$robotName = $tunnel['robot']['Name'];
			if (isset($robotsMap[$robotName]))
			{
				$copy = clone $robotsMap[$robotName];
				$copy->setProperty('CategoryId', $tunnel['dstCategory']);
				$copy->setProperty('StageId', $tunnel['dstStage']);
				$robots[] = $copy;
			}
		}
	}

	return $template->save($robots, $userId);
}