Создание компонента комментариев на 1С-Битрикс

<?php
if (!defined('B_PROLOG_INCLUDED') || B_PROLOG_INCLUDED !== true) die();

use Bitrix\Main\Application;
use Bitrix\Main\Loader;
use Bitrix\Iblock\Elements\ElementCommentsTable;

class CustomCommentsComponent extends CBitrixComponent
{
    public function executeComponent()
    {
        try {
            Loader::includeModule('iblock');
            
            $this->processForm();
            $this->getComments();
            $this->includeComponentTemplate();
            
        } catch (Exception $e) {
            ShowError($e->getMessage());
        }
    }

    private function processForm()
    {
        $request = Application::getInstance()->getContext()->getRequest();
        
        if ($request->isPost() && $request->getPost('submit_comment')) {
            $this->addComment($request->getPost('comment_text'));
        }
    }

    private function addComment($text)
    {
        $result = ElementCommentsTable::createObject();
        $result->setName('Комментарий ' . time());
        $result->setPreviewText($text);
        $result->setIblockId($this->arParams['IBLOCK_ID']);
        $result->save();
    }

    private function getComments()
    {
        $comments = ElementCommentsTable::getList([
            'filter' => [
                'IBLOCK_ID' => $this->arParams['IBLOCK_ID'],
                'ACTIVE' => 'Y'
            ],
            'order' => ['ID' => 'DESC']
        ])->fetchAll();

        $this->arResult['COMMENTS'] = $comments;
    }
}