public override void Execute()
{
List <string> studyUids = new List <string>();
if (Result.QueryItems != null && Result.QueryItems.Count > 0)
{
foreach (RetrieveQueryItem queryItem in Result.QueryItems)
{
if (queryItem.Study != null && !string.IsNullOrEmpty(queryItem.Study.StudyInstanceUid))
{
studyUids.Add(queryItem.Study.StudyInstanceUid);
}
}
}
if (studyUids.Count == 0)
{
OnError("No Study Instance UID is specified");
OnCommandExecuted();
return;
}
if (this.IsCancelRequested())
{
OnCancelRequested();
OnCommandExecuted();
return;
}
OnStatusChanged(RetrieveStatus.InProgress, "Querying for studies...");
string url = null;
try
{
NBIARetrieveByStudyUIDs nbiaRetrieveByStudyUIDs = new NBIARetrieveByStudyUIDs();
url = nbiaRetrieveByStudyUIDs.retrieveStudyURL(studyUids.ToArray(), SearchSettings.Default.NBIADataServiceUrl);
}
catch (DataServiceUtil.GridServicerException ex)
{
Platform.Log(LogLevel.Error, ex, "Failed to retrieve images from NBIA");
}
if (this.IsCancelRequested())
{
OnCancelRequested();
OnCommandExecuted();
return;
}
if (string.IsNullOrEmpty(url))
{
//Result.ProgressMessage = "No studies returned by NBIA.";
OnCommandCompleted("No studies returned by NBIA.");
OnCommandExecuted();
return;
}
string downloadedFilesFolder = this.DownloadQueryResults(url);
if (this.IsCancelRequested())
{
// TODO - delete downloaded files
OnCancelRequested();
OnCommandExecuted();
return;
}
if (string.IsNullOrEmpty(downloadedFilesFolder))
{
// Status/Error should be reported by now
OnCommandExecuted();
return;
}
OnProgressUpdated("Importing images");
try
{
string[] files = Directory.GetFiles(downloadedFilesFolder, "*.dcm", SearchOption.AllDirectories);
if (files.Length > 0)
{
this.ImportDicomFiles(files);
}
}
catch (Exception ex)
{
Platform.Log(LogLevel.Error, ex, "Error importing NBIA images");
OnError("Error importing NBIA images");
OnCommandExecuted();
return;
}
OnCommandCompleted("Done");
OnCommandExecuted();
}
protected void RetrieveStudiesFromNBIA(List <string> studyUids)
{
string errorMsg = null;
BackgroundTask task = new BackgroundTask(
delegate(IBackgroundTaskContext context)
{
if (studyUids.Count == 0)
{
context.Complete(null);
return;
}
try
{
BackgroundTaskProgress progress = new BackgroundTaskProgress(0, 3, "Querying for available images");
context.ReportProgress(progress);
if (context.CancelRequested)
{
context.Cancel();
return;
}
NBIARetrieveByStudyUIDs nbiaRetrieveByStudyUIDs = new NBIARetrieveByStudyUIDs();
string url = nbiaRetrieveByStudyUIDs.retrieveStudyURL(studyUids.ToArray(), SearchSettings.Default.NBIADataServiceUrl);
if (!string.IsNullOrEmpty(url))
{
progress = new BackgroundTaskProgress(1, 3, "Retrieving images");
context.ReportProgress(progress);
if (context.CancelRequested)
{
context.Cancel();
return;
}
string downloadedFilesFolder = this.DownloadQueryResults(url, context);
if (!string.IsNullOrEmpty(downloadedFilesFolder))
{
progress = new BackgroundTaskProgress(2, 3, "Importing images");
context.ReportProgress(progress);
if (context.CancelRequested)
{
context.Cancel();
return;
}
string[] files = Directory.GetFiles(downloadedFilesFolder, "*.dcm", SearchOption.AllDirectories);
if (files.Length > 0)
{
this.ImportDicomFiles(files);
}
}
}
}
catch (Exception ex)
{
errorMsg = ex.Message;
Platform.Log(LogLevel.Error, ex, "Failed to retrieve requested study(ies)");
}
context.Complete(null);
}, true);
ProgressDialog.Show(task, this.Context.DesktopWindow, true, ProgressBarStyle.Blocks);
if (!string.IsNullOrEmpty(errorMsg))
{
this.Context.DesktopWindow.ShowMessageBox(errorMsg, MessageBoxActions.Ok);
}
}
