user.php

См. документацию.

<?php
 
namespace Bitrix\Forum\Comments;
 
use \Bitrix\Forum;
use Bitrix\Main\Engine\CurrentUser;
use CUser;
 
class User
{
    protected ?int $id = 0;
    private static $groups;
    protected $forumUser = null;
 
    public function __construct(int $id)
    {
        $user = CurrentUser::get();
        if ($id === (int)$user->getId())
        {
            $this->id = $id;
            if (empty(self::$groups[$id]))
            {
                self::$groups[$id] = $user->getUserGroups();
            }
        }
        else if ($id > 0)
        {
            $this->id = $id;
            if (empty(self::$groups[$id]))
            {
                self::$groups[$id] = \Bitrix\Main\UserTable::getUserGroupIds($id);
            }
        }
 
        if (empty(self::$groups[$id]))
        {
            self::$groups[$id] = [2];
        }
 
        $this->forumUser = Forum\User::getById($this->id);
    }
 
    public function getId()
    {
        return $this->id;
    }
 
    public function getGroups()
    {
        return implode(",", self::$groups[$this->id]);
    }
 
    public function getUserGroupArray()
    {
        return self::$groups[$this->id];
    }
 
    public function isAuthorized()
    {
        return true;
    }
 
    public function getParam(string $key)
    {
        if ($this->forumUser instanceof Forum\User)
        {
            return $this->forumUser[$key];
        }
        return null;
    }
    public function isAdmin()
    {
        return false;
    }
    public function getUserGroup()
    {
        return self::$groups[$this->id];
    }
    public function getFirstName()
    {
        return '';
    }
    public function getLastName()
    {
        return '';
    }
    public function getSecondName()
    {
        return '';
    }
    public function getLogin()
    {
        return '';
    }
    public function getFullName()
    {
        return '';
    }
 
    public function getUnreadMessageId($topicId = 0)
    {
        if ($this->forumUser instanceof Forum\User)
        {
            return $this->forumUser->getUnreadMessageId($topicId);
        }
        return null;
    }
 
    public function readTopic($topicId = 0)
    {
        if ($this->forumUser instanceof Forum\User)
        {
            $this->forumUser->readTopic($topicId);
            $this->forumUser->setLastVisit();
        }
    }
 
    public function setLocation(int $forumId = 0, int $topicId = 0)
    {
        if ($this->forumUser instanceof Forum\User)
        {
            $this->forumUser->setLocation($forumId, $topicId);
        }
    }
}