usergrouphelper.php

<?php
namespace Bitrix\Socialnetwork\Copy\Implement;
 
use Bitrix\Socialnetwork\Item\UserToGroup as UserToGroup;
use Bitrix\Socialnetwork\UserToGroupTable;
 
class UserGroupHelper
{
    private $executiveUserId;
    private $moderatorsIds = [];
 
    public function __construct($executiveUserId, array $moderatorsIds)
    {
        $this->executiveUserId = $executiveUserId;
        $this->moderatorsIds = $moderatorsIds;
    }
 
    public function changeModerators($groupId)
    {
        $currentModeratorsIds = $this->getCurrentModerators($groupId);
 
        $addIds = array_diff($this->moderatorsIds, $currentModeratorsIds);
        $deleteIds = array_diff($currentModeratorsIds, $this->moderatorsIds);
 
        if ($addIds)
        {
            UserToGroup::addModerators([
                "group_id" => $groupId,
                "user_id" => $addIds,
                "current_user_id" => $this->executiveUserId
            ]);
        }
 
        if ($deleteIds)
        {
            $resRelation = UserToGroupTable::getList([
                "filter" => [
                    "GROUP_ID" => $groupId,
                    "@USER_ID" => $deleteIds
                ],
                "select" => ["ID"]
            ]);
            while ($relation = $resRelation->fetch())
            {
                \CSocNetUserToGroup::delete($relation["ID"]);
            }
        }
    }
 
    private function getCurrentModerators($groupId)
    {
        $ids = [];
 
        $queryObject = UserToGroupTable::getList([
            "filter" => [
                "ROLE" => UserToGroupTable::ROLE_MODERATOR,
                "GROUP_ID" => $groupId,
                "=USER.ACTIVE" => "Y"
            ],
            "select" => ["USER_ID"]
        ]);
        while ($relation = $queryObject->fetch())
        {
            $ids[] = $relation["USER_ID"];
        }
 
        return $ids;
    }
}