ChatService.php

См. документацию.

<?php
 
declare(strict_types=1);
 
namespace Bitrix\Socialnetwork\Collab\Onboarding\Integration\Im;
 
use Bitrix\Im\V2\MessageCollection;
use Bitrix\Main\Loader;
use Bitrix\Main\Type\DateTime;
use Bitrix\Socialnetwork\Helper\InstanceTrait;
 
class ChatService
{
    use InstanceTrait;
 
    private function __construct()
    {
    }
 
    public function isExistUserMessageByPeriod(int $chatId, DateTime $from, DateTime $to): bool
    {
        if (!Loader::includeModule('im'))
        {
            return false;
        }
 
        $messages = MessageCollection::find(
            [
                'CHAT_ID' => $chatId,
                'DATE_FROM' => $from,
                'DATE_TO' => $to,
                'WITHOUT_SYSTEM_MESSAGE' => true,
            ],
            ['ID' => 'ASC'],
            1,
            null,
            ['ID'],
        );
 
        return !$messages->isEmpty();
    }
}