Department.php

См. документацию.

<?php
 
namespace Bitrix\Im\Configuration;
 
use Bitrix\Main\Loader;
 
class Department
{
    private $id;
 
    public function __construct(int $id = 0)
    {
        if ($id > 0)
        {
            $this->id = $id;
        }
    }

    public function setId(int $id): void
    {
        $this->id = $id;
    }

    public function getPathFromHeadToDepartment(): array
    {
        $departmentTree = \CIntranetUtils::GetDeparmentsTree(0);
        $topDepartmentId = self::getTopDepartmentId();
 
        if (!$topDepartmentId || empty($departmentTree) || !$this->id)
        {
            return [];
        }
 
        $path[] = $this->id;
        $departmentId = $this->id;
 
        while ($departmentId && $departmentId != $topDepartmentId)
        {
            $departmentId = $this->getHeadDepartmentId($departmentId, $departmentTree) ?? $topDepartmentId;
            $path[] = $departmentId;
        }
 
        return array_reverse($path);
    }

    protected function getHeadDepartmentId(int $curId, array $departmentTree): ?int
    {
        foreach ($departmentTree as $headDepartmentId => $subDepartments)
        {
            foreach ($subDepartments as $subDepartmentId)
            {
                if ((int)$subDepartmentId == $curId)
                {
                    return (int)$headDepartmentId;
                }
            }
        }
 
        return null;
    }

    public function getAccessCodes(array $departmentIds): array
    {
        $accessCodes = [];
        foreach ($departmentIds as $departmentId)
        {
            if ((int)$departmentId === $this->id)
            {
                $accessCodes[] = 'D' . $this->id;
                $accessCodes[] = 'DR' . $this->id;
            }
            else
            {
                $accessCodes[] = 'DR' . $departmentId;
            }
        }
        return $accessCodes;
    }

    public static function getTopDepartmentId(): false|int
    {
        $topId = \Bitrix\Im\V2\Integration\HumanResources\Department\Department::getInstance()->getTopId();
 
        return $topId ?? false;
    }
}