notification.php

См. документацию.

<?php
 
namespace Bitrix\Sender\Integration\Im;
 
use Bitrix\Main\Loader;
use Bitrix\Sender\Security;
use Bitrix\Sender\Entity;

class Notification
{
    protected $to = array();

    protected $message;

    public static function canUse()
    {
        if (!Loader::includeModule('im'))
        {
            return false;
        }
        else
        {
            return true;
        }
    }

    public static function create()
    {
        return new static();
    }

    public function setTo(array $list)
    {
        $this->to = $list;
        return $this;
    }

    public function addTo($userId)
    {
        $this->to[] = $userId;
        $this->to = array_unique($this->to);
 
        return $this;
    }

    public function toAllAuthors()
    {
        $list = Entity\Letter::getList(array(
            'select' => array('CREATED_BY'),
            'filter' => array(
                '=MESSAGE_CODE',
                '!=CREATED_BY' => null
            ),
            'group' => array('CREATED_BY'),
            'cache' => array('ttl' => 3600),
        ));
        foreach ($list as $item)
        {
            $this->addTo($item['CREATED_BY']);
        }
 
        return $this;
    }

    public function toCurrentUser()
    {
        $this->addTo(Security\User::current()->getId());
        return $this;
    }

    public function withMessage($message)
    {
        $this->message = $message;
        return $this;
    }

    public function send()
    {
        if (!static::canUse())
        {
            return;
        }
 
        if (count($this->to) === 0 || !$this->message)
        {
            return;
        }
 
        foreach ($this->to as $userId)
        {
            $fields = array(
                "TO_USER_ID" => $userId,
                "FROM_USER_ID" => 0,
                "NOTIFY_TYPE" => IM_NOTIFY_SYSTEM,
                "NOTIFY_MODULE" => "sender",
                //"NOTIFY_EVENT" => $imNotifyEvent,
                //"NOTIFY_TAG" => $notifyTag,
                "NOTIFY_MESSAGE" => $this->message
            );
            \CIMNotify::Add($fields);
        }
    }
}