/// <summary>
/// Generates a "Dicom Study Deleted" event in the audit log, according to DICOM Supplement 95.
/// </summary>
/// <remarks>
/// This method automatically separates different patients into separately logged events, as required by DICOM.
/// </remarks>
/// <param name="aeTitle">The application entity from which the instances were deleted.</param>
/// <param name="instances">The studies that were deleted.</param>
/// <param name="eventSource">The source user or application entity which invoked the operation.</param>
/// <param name="eventResult">The result of the operation.</param>
public static void LogDeleteStudies(string aeTitle, AuditedInstances instances, EventSource eventSource, EventResult eventResult)
{
if (!AuditingEnabled)
{
return;
}
try
{
foreach (var patient in instances.EnumeratePatients())
{
var auditHelper = new DicomStudyDeletedAuditHelper(eventSource, eventResult);
auditHelper.AddUserParticipant(eventSource);
auditHelper.AddUserParticipant(new AuditProcessActiveParticipant(aeTitle));
auditHelper.AddPatientParticipantObject(patient);
foreach (var study in instances.EnumerateStudies(patient))
{
auditHelper.AddStudyParticipantObject(study);
}
Log(auditHelper);
}
}
catch (Exception ex)
{
Platform.Log(LogLevel.Warn, ex, _messageAuditFailed);
}
}
private void AuditLog(Study affectedStudy)
{
// Audit log
DicomStudyDeletedAuditHelper helper =
new DicomStudyDeletedAuditHelper(
ServerPlatform.AuditSource,
EventIdentificationContentsEventOutcomeIndicator.Success);
helper.AddUserParticipant(new AuditPersonActiveParticipant(
SessionManager.Current.Credentials.
UserName,
null,
SessionManager.Current.Credentials.
DisplayName));
helper.AddStudyParticipantObject(new AuditStudyParticipantObject(
affectedStudy.StudyInstanceUid,
affectedStudy.AccessionNumber ??
string.Empty));
ServerAuditHelper.LogAuditMessage(helper);
}
protected void DeleteButton_Clicked(object sender, ImageClickEventArgs e)
{
if (Page.IsValid)
{
try
{
string reason = ReasonListBox.SelectedItem.Text;
if (!String.IsNullOrEmpty(SaveReasonAsName.Text))
{
SaveCustomReason();
reason = SaveReasonAsName.Text;
}
OnDeletingStudies();
StudyController controller = new StudyController();
foreach (DeleteStudyInfo study in DeletingStudies)
{
try
{
controller.DeleteStudy(study.StudyKey, reason + "::" + Comment.Text);
// Audit log
DicomStudyDeletedAuditHelper helper = new DicomStudyDeletedAuditHelper(
ServerPlatform.AuditSource,
EventIdentificationContentsEventOutcomeIndicator.Success);
helper.AddUserParticipant(new AuditPersonActiveParticipant(
SessionManager.Current.Credentials.UserName,
null,
SessionManager.Current.Credentials.DisplayName));
helper.AddStudyParticipantObject(new AuditStudyParticipantObject(
study.StudyInstanceUid,
study.AccessionNumber ?? string.Empty));
ServerPlatform.LogAuditMessage(helper);
}
catch (Exception ex)
{
Platform.Log(LogLevel.Error, ex, "DeleteClicked failed: Unable to delete studies");
throw;
}
}
OnStudiesDeleted();
}
finally
{
Close();
}
}
else
{
EnsureDialogVisible();
}
}
protected virtual void OnStudyDeleted()
{
// Audit log
DicomStudyDeletedAuditHelper helper = new DicomStudyDeletedAuditHelper(
ServerPlatform.AuditSource,
EventIdentificationContentsEventOutcomeIndicator.Success);
helper.AddUserParticipant(new AuditProcessActiveParticipant(ServerPartition.AeTitle));
helper.AddStudyParticipantObject(new AuditStudyParticipantObject(
StorageLocation.StudyInstanceUid,
Study == null ? string.Empty : Study.AccessionNumber));
ServerPlatform.LogAuditMessage(helper);
IList<IDeleteStudyProcessorExtension> extensions = LoadExtensions();
foreach (IDeleteStudyProcessorExtension ext in extensions)
{
if (ext.Enabled)
ext.OnStudyDeleted();
}
}
