public void PlatformExportBackground(PlatformImportExportRequest exportRequest, PlatformExportPushNotification pushNotification)
{
Action<ExportImportProgressInfo> progressCallback = x =>
{
pushNotification.InjectFrom(x);
pushNotification.Errors = x.Errors;
_pushNotifier.Upsert(pushNotification);
};
try
{
using (var stream = new MemoryStream())
{
var manifest = exportRequest.ToManifest();
_platformExportManager.Export(stream, manifest, progressCallback);
stream.Seek(0, SeekOrigin.Begin);
var relativeUrl = "tmp/exported_data.zip";
using (var targetStream = _blobStorageProvider.OpenWrite(relativeUrl))
{
stream.CopyTo(targetStream);
}
//Get a download url
pushNotification.DownloadUrl = _blobUrlResolver.GetAbsoluteUrl(relativeUrl);
}
}
catch (Exception ex)
{
pushNotification.Errors.Add(ex.ExpandExceptionMessage());
}
finally
{
pushNotification.Description = "Export finished";
pushNotification.Finished = DateTime.UtcNow;
_pushNotifier.Upsert(pushNotification);
}
}
public IHttpActionResult ProcessExport(PlatformImportExportRequest exportRequest)
{
var notification = new PlatformExportPushNotification(_userNameResolver.GetCurrentUserName())
{
Title = "Platform export task",
Description = "starting export...."
};
_pushNotifier.Upsert(notification);
BackgroundJob.Enqueue(() => PlatformExportBackground(exportRequest, notification));
return Ok(notification);
}
public void PlatformExportBackground(PlatformImportExportRequest exportRequest, PlatformExportPushNotification pushNotification)
{
Action<ExportImportProgressInfo> progressCallback = (x) =>
{
pushNotification.InjectFrom(x);
pushNotification.Errors = x.Errors;
_pushNotifier.Upsert(pushNotification);
};
try
{
using (var stream = new MemoryStream())
{
var manifest = exportRequest.ToManifest();
_platformExportManager.Export(stream, manifest, progressCallback);
stream.Seek(0, SeekOrigin.Begin);
//Upload result to blob storage
var uploadInfo = new UploadStreamInfo
{
FileName = string.Format("exported_data.zip"),
FileByteStream = stream,
FolderName = "tmp"
};
var blobKey = _blobStorageProvider.Upload(uploadInfo);
//Get a download url
pushNotification.DownloadUrl = _blobUrlResolver.GetAbsoluteUrl(blobKey);
}
}
catch (Exception ex)
{
pushNotification.Errors.Add(ex.ExpandExceptionMessage());
}
finally
{
pushNotification.Description = "Export finished";
pushNotification.Finished = DateTime.UtcNow;
_pushNotifier.Upsert(pushNotification);
}
}
