public void PlatformExportBackground(PlatformExportImportRequest exportRequest, string platformVersion, string author, ExportImportProgressNotificationEvent notifyEvent)
		 {
			 Action<ExportImportProgressInfo> progressCallback = (x) =>
			 {
				 notifyEvent.InjectFrom(x);
				 _eventNotifier.Upsert(notifyEvent);
			 };

			 var now = DateTime.UtcNow;
			 try
			 {
				 var exportedModules = InnerGetModulesWithInterface(typeof(ISupportExportModule)).Where(x => exportRequest.Modules.Contains(x.Id)).ToArray();
				 using (var stream = new MemoryStream())
				 {
					 var options = new PlatformExportImportOptions
					 {
						 Modules = exportedModules,
						 PlatformSecurity = exportRequest.PlatformSecurity,
						 PlatformSettings = exportRequest.PlatformSettings,
						 PlatformVersion = SemanticVersion.Parse(platformVersion),
						 Author = author
					 };

					 _platformExportManager.Export(stream, options, progressCallback);
					 stream.Seek(0, SeekOrigin.Begin);
					 //Upload result  to blob storage
					 var uploadInfo = new UploadStreamInfo
					 {
						 FileName = "Platform-" + now.ToString("yyMMddhh") + "-export.zip",
						 FileByteStream = stream,
						 FolderName = "tmp"
					 };
					 var blobKey = _blobStorageProvider.Upload(uploadInfo);
					 //Get a download url
					 notifyEvent.DownloadUrl = _blobUrlResolver.GetAbsoluteUrl(blobKey);
					 notifyEvent.Description = "Export finished";
				 }
			 }
			 catch(Exception ex)
			 {
				 notifyEvent.Errors.Add(ex.ExpandExceptionMessage()); 
			 }
			 finally
			 {
				 notifyEvent.Finished = DateTime.UtcNow;
				 _eventNotifier.Upsert(notifyEvent);
			 }

		 }
		 public IHttpActionResult ProcessExport(PlatformExportImportRequest exportRequest)
		 {
			 var notification = new ExportImportProgressNotificationEvent(CurrentPrincipal.GetCurrentUserName())
			 {
				 Title = "Platform export task",
				 Description = "starting export...."
			 };
			 _eventNotifier.Upsert(notification);
			 var now = DateTime.UtcNow;

			 BackgroundJob.Enqueue(() => PlatformExportBackground(exportRequest, PlatformVersion.CurrentVersion.ToString(), CurrentPrincipal.GetCurrentUserName(), notification));

			 return Ok(notification);
		 }
		 public void PlatformImportBackground(PlatformExportImportRequest importRequest, ExportImportProgressNotificationEvent notifyEvent)
		 {
			 Action<ExportImportProgressInfo> progressCallback = (x) =>
			 {
				 notifyEvent.InjectFrom(x);
				 _eventNotifier.Upsert(notifyEvent);
			 };

			 var now = DateTime.UtcNow;
			 try
			 {
				 var importedModules = InnerGetModulesWithInterface(typeof(ISupportImportModule)).Where(x => importRequest.Modules.Contains(x.Id)).ToArray();
				 using (var stream = _blobStorageProvider.OpenReadOnly(importRequest.FileUrl))
				 {
					 var options = new PlatformExportImportOptions
					 {
						 Modules = importedModules,
						 PlatformSecurity = importRequest.PlatformSecurity,
						 PlatformSettings = importRequest.PlatformSettings,
					 };
					 _platformExportManager.Import(stream, options, progressCallback);
				 }
			 }
			 catch (Exception ex)
			 {
				 notifyEvent.Errors.Add(ex.ExpandExceptionMessage());
			 }
			 finally
			 {
				 notifyEvent.Finished = DateTime.UtcNow;
				 _eventNotifier.Upsert(notifyEvent);
			 }

		 }