componenthelper.php

<?php
namespace Bitrix\Socialnetwork\Helper\Forum;
 
use Bitrix\Forum\Permission;
use Bitrix\Main\Loader;
 
class ComponentHelper
{
    private static $cachedResult = [];
 
    public static function getForumPermission(array $params = []): ?string
    {
        global $USER;
        $currentUserId = $USER->getId();
        $isCurrentUserAdmin = \CSocNetUser::isCurrentUserModuleAdmin();
        $entityType = ($params['ENTITY_TYPE'] ?? SONET_ENTITY_USER);
        $entityId = (int)($params['ENTITY_ID'] ?? 0);
 
        $result = null;
 
        if (
            !Loader::includeModule('forum')
            || !in_array($entityType, [ SONET_ENTITY_GROUP, SONET_ENTITY_USER ], true)
        )
        {
            return $result;
        }
 
        $result = Permission::ACCESS_DENIED;
 
        if (\CSocNetFeaturesPerms::canPerformOperation($currentUserId, $entityType, $entityId, 'forum', 'full', $isCurrentUserAdmin))
        {
            $result = Permission::FULL_ACCESS;
        }
        elseif (\CSocNetFeaturesPerms::CanPerformOperation($currentUserId, $entityType, $entityId, 'forum', 'newtopic', $isCurrentUserAdmin))
        {
            $result = Permission::CAN_ADD_TOPIC;
        }
        elseif (\CSocNetFeaturesPerms::CanPerformOperation($currentUserId, $entityType, $entityId, 'forum', 'answer', $isCurrentUserAdmin))
        {
            $result = Permission::CAN_ADD_MESSAGE;
        }
        elseif (\CSocNetFeaturesPerms::CanPerformOperation($currentUserId, $entityType, $entityId, 'forum', 'view', $isCurrentUserAdmin))
        {
            $result = Permission::CAN_READ;
        }
 
        return $result;
    }
}