usermodel.php

<?php
 
namespace Bitrix\Main\UserField\Access\Model;
 
use Bitrix\Main\UserField\Access\Permission\UserFieldPermissionTable;
use Bitrix\Main\UserField\Access\Role\UserFieldRoleRelationTable;
 
class UserModel extends \Bitrix\Main\Access\User\UserModel
    implements \Bitrix\Main\UserField\Access\UserAccessibleInterface
{
    private
        $permissions;
 
    public function getRoles(): array
    {
        if ($this->roles === null)
        {
            $this->roles = [];
            if ($this->userId === 0 || empty($this->getAccessCodes()))
            {
                return $this->roles;
            }
 
            $res = UserFieldRoleRelationTable::query()
                ->addSelect('ROLE_ID')
                ->whereIn('RELATION', $this->getAccessCodes())
                ->exec();
            foreach ($res as $row)
            {
                $this->roles[] = (int) $row['ROLE_ID'];
            }
        }
        return $this->roles;
    }
 
    public function getPermission(string $permissionId, int $userFieldId = 0): ?int
    {
        $permissions = $this->getPermissions($userFieldId);
        if (array_key_exists($permissionId, $permissions))
        {
            return $permissions[$permissionId];
        }
        return null;
    }
 
    private function getPermissions(int $userFieldId = 0): array
    {
        if (!$this->permissions || !array_key_exists($userFieldId, $this->permissions))
        {
            $this->permissions[$userFieldId] = [];
 
            $res = UserFieldPermissionTable::query()
                ->addSelect("PERMISSION_ID")
                ->addSelect("USER_FIELD_ID")
                ->addSelect("VALUE")
                ->where("USER_FIELD_ID", $userFieldId)
                ->where("ROLE_ID", $this->userId)
                ->exec()
                ->fetchAll();
 
            foreach ($res as $row)
            {
                $permissionId = $row["PERMISSION_ID"];
                $value = (int) $row["VALUE"];
                if (!array_key_exists($permissionId, $this->permissions[$userFieldId]))
                {
                    $this->permissions[$userFieldId][$permissionId] = 0;
                }
                if ($value > $this->permissions[$userFieldId][$permissionId])
                {
                    $this->permissions[$userFieldId][$permissionId] = $value;
                }
            }
        }
        return $this->permissions[$userFieldId];
    }
}