usermodel.php

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