Comment.php

См. документацию.

<?php
 
namespace Bitrix\Im\V2\Controller\Chat;
 
use Bitrix\Im\V2\Analytics\ChatAnalytics;
use Bitrix\Im\V2\Chat;
use Bitrix\Im\V2\Controller\BaseController;
use Bitrix\Im\V2\Controller\Filter\ChatTypeFilter;
 
class Comment extends BaseController
{
    public function configureActions()
    {
        $config = parent::configureActions();
 
        $config['subscribe'] = [
            '+prefilters' => [
                new ChatTypeFilter([Chat\CommentChat::class]),
            ],
        ];
        $config['unsubscribe'] = [
            '+prefilters' => [
                new ChatTypeFilter([Chat\CommentChat::class]),
            ],
        ];
        $config['readAll'] = [
            '+prefilters' => [
                new ChatTypeFilter([Chat\ChannelChat::class]),
            ],
        ];
 
        return $config;
    }

    public function subscribeAction(Chat\CommentChat $chat): ?array
    {
        return $this->subscribe($chat, true);
    }

    public function unsubscribeAction(Chat\CommentChat $chat): ?array
    {
        return $this->subscribe($chat, false);
    }

    public function readAllAction(Chat\ChannelChat $chat): ?array
    {
        $chat->realAllComments();
 
        return ['result' => true];
    }
 
    protected function subscribe(Chat\CommentChat $chat, bool $flag): ?array
    {
        $result = $chat->subscribe($flag);
 
        if (!$result->isSuccess())
        {
            $this->addErrors($result->getErrors());
 
            return null;
        }
 
        (new ChatAnalytics($chat))->addFollowComments($flag);
 
        return ['result' => true];
    }
}