logfollow.php

<?php
namespace Bitrix\Socialnetwork\Item;
 
use Bitrix\Socialnetwork\LogRightTable;
use Bitrix\Socialnetwork\LogFollowTable;
 
class LogFollow
{
    public static function checkDestinationsFollowStatus($params = [])
    {
        $logId = (isset($params['logId']) ? (int)$params['logId'] : 0);
        if ($logId <= 0)
        {
            return false;
        }
 
        $key = 'L' . $logId;
 
        $destUserIdList = [];
        $res = LogRightTable::getList([
            'filter' => [
                'LOG_ID' => $logId
            ],
            'select' => [ 'GROUP_CODE' ]
        ]);
        while ($logRight = $res->fetch())
        {
            if (preg_match('/^U(\d+)$/', $logRight['GROUP_CODE'], $matches))
            {
                $destUserIdList[] = $matches[1];
            }
        }
 
        $defaultFollowValue = false;
        $userFollowValue = [];
 
        if (!empty($destUserIdList))
        {
            $defaultFollowValue = LogFollowTable::getDefaultValue([
                'USER_ID' => false
            ]);
 
            $res = LogFollowTable::getList([
                'filter' => [
                    '=CODE' => [ '**', $key ],
                    '@USER_ID' => $destUserIdList
                ],
                'select' => [ 'CODE', 'TYPE', 'USER_ID' ]
            ]);
            while($logFollow = $res->fetch())
            {
                if (!isset($userFollowValue[$logFollow['USER_ID']]))
                {
                    $userFollowValue[$logFollow['USER_ID']] = [];
                }
                $userFollowValue[$logFollow['USER_ID']][$logFollow['CODE']] = $logFollow['TYPE'];
            }
        }
 
        foreach($destUserIdList as $destUserId)
        {
            $subscribeTypeList = [];
 
            if (
                (
                    !isset($userFollowValue[$destUserId])
                    && $defaultFollowValue === 'N'
                )
                || (
                    isset($userFollowValue[$destUserId])
                    && !isset($userFollowValue[$destUserId][$key]) // && isset($userFollowValue[$destUserId]['**'])
                    && $userFollowValue[$destUserId]['**'] === 'N'
                )
            )
            {
                $subscribeTypeList[] = 'FOLLOW';
            }
 
            \Bitrix\Socialnetwork\ComponentHelper::userLogSubscribe([
                'logId' => $logId,
                'userId' => $destUserId,
                'typeList' => $subscribeTypeList,
                'followDate' => 'CURRENT'
            ]);
 
        }
 
        return true;
    }
}