public HttpResponseMessage Export(int appId, int zoneId, string contentTypeIdsString, string entityIdsString, string templateIdsString)
{
Log.Add($"export content z#{zoneId}, a#{appId}, ids:{entityIdsString}, templId:{templateIdsString}");
SecurityHelpers.ThrowIfNotAdmin(_user); // must happen inside here, as it's opened as a new browser window, so not all headers exist
var contextZoneId = _zoneMapper.GetZoneId(_siteId);
var currentApp = CmsRuntime.ServiceProvider.Build <ImpExpHelpers>().Init(Log).GetAppAndCheckZoneSwitchPermissions(zoneId, appId, _user, contextZoneId);
var appRuntime = CmsRuntime.Init(currentApp, true, Log);
var fileName = $"2sxcContentExport_{currentApp.NameWithoutSpecialChars()}_{currentApp.VersionSafe()}.xml";
var fileXml = _xmlExporter.Init(zoneId, appId, appRuntime, false,
contentTypeIdsString?.Split(';') ?? new string[0],
entityIdsString?.Split(';') ?? new string[0],
Log
).GenerateNiceXml();
return(HttpFileHelper.GetAttachmentHttpResponseMessage(fileName, "text/xml", fileXml));
}