subscription.php

См. документацию.

<?php

namespace Bitrix\Socialnetwork\Item;
 
use Bitrix\Main\Error;
use Bitrix\Main\Loader;
use Bitrix\Main\Localization\Loc;
use Bitrix\Main\SystemException;
use Exception;
 
Loc::loadMessages(__FILE__);
 
class Subscription
{
    public const AVAILABLE_VALUES = [
        'Y', 'N'
    ];
 
    public static function onContentViewed(array $params)
    {
        if (
            !isset($params['userId'], $params['logId'])
            || !is_array($params)
            || (int)$params['userId'] <= 0
            || (int)$params['logId'] <= 0
            || !Loader::includeModule('im')
        )
        {
            return;
        }
 
        $CIMNotify = new \CIMNotify();
        $CIMNotify->markNotifyReadBySubTag(array("SONET|EVENT|".(int)$params['logId']."|".(int)$params['userId']));
    }

    public static function set(array $params = [])
    {
        global $USER;
 
        $groupId = (int)($params['GROUP_ID'] ?? 0);
        $userId = (int)($params['USER_ID'] ?? $USER->getId());
        $value = (isset($params['VALUE']) && in_array($params['VALUE'], [ 'Y', 'N' ]) ? $params['VALUE'] : false);
 
        if (
            $groupId <= 0
            || $userId <= 0
            || !$value
        )
        {
            throw new SystemException(Loc::getMessage('SOCIALNETWORK_ITEM_SUBSCRIPTION_ERROR_NO_DATA'));
        }
 
        if (!(\CSocNetGroup::getById($groupId, true)))
        {
            throw new SystemException(Loc::getMessage('SOCIALNETWORK_ITEM_SUBSCRIPTION_ERROR_NO_ACCESS'));
        }
 
        $userRole = \CSocNetUserToGroup::getUserRole($userId, $groupId);
        if (!in_array($userRole, \Bitrix\Socialnetwork\UserToGroupTable::getRolesMember()))
        {
            throw new SystemException(Loc::getMessage('SOCIALNETWORK_ITEM_SUBSCRIPTION_ERROR_NO_ACCESS'));
        }
 
        if (!\CSocNetSubscription::set($userId, 'SG' . $groupId, $value))
        {
            throw new SystemException(Loc::getMessage('SOCIALNETWORK_ITEM_SUBSCRIPTION_ERROR_FAILED'));
        }
 
        $res = \CSocNetSubscription::getList(
            [],
            [
                'USER_ID' => $userId,
                'CODE' => 'SG' . $groupId,
            ]
        );
 
        return $res->fetch();
    }
}