public async Task <ActionResult <StringResult> > Export([FromBody] ChannelIdsRequest request)
        {
            if (!await _authManager.HasSitePermissionsAsync(request.SiteId, MenuUtils.SitePermissions.Channels))
            {
                return(Unauthorized());
            }

            var site = await _siteRepository.GetAsync(request.SiteId);

            if (site == null)
            {
                return(NotFound());
            }

            var caching      = new CacheUtils(_cacheManager);
            var exportObject = new ExportObject(_pathManager, _databaseManager, caching, site);
            var fileName     = await exportObject.ExportChannelsAsync(request.ChannelIds);

            var filePath = _pathManager.GetTemporaryFilesPath(fileName);
            var url      = _pathManager.GetDownloadApiUrl(filePath);

            return(new StringResult
            {
                Value = url
            });
        }