private void UpdatePatientEncoding(Patient patient)
{
// Note: patient can be an existing one or a new one
// set the SpecificCharacterSet of the patient and study record. This will update the database
// and force Patient/Study/Series level query response to be encoded in UTF8. Image level responses
// will be encoded using the character set in the image (see QueryScpExtension)
//
if (atLeastOneFileUpdatedToUTF8)
{
// Only update the db if necessary
if (!IsUTF8(patient.SpecificCharacterSet))
{
Platform.Log(LogLevel.Info, "Updating encoding for patient information in the database to UTF8 [ Name={0}, ID={1} ]", patient.Name, patient.PatientId);
// update to UTF8
patient.SpecificCharacterSet = UTF8;
// This method is called at the very end of UpdateDatabase(), update the database now
IPatientEntityBroker broker = UpdateContext.GetBroker<IPatientEntityBroker>();
PatientUpdateColumns columns = new PatientUpdateColumns() { SpecificCharacterSet = UTF8 };
broker.Update(patient.Key, columns);
}
}
}
private void UpdateDatabase()
{
var patientUpdate = new PatientUpdateColumns();
var seriesUpdate = new SeriesUpdateColumns();
var studyUpdate = new StudyUpdateColumns();
// Update Patient level info. Different cases can occur here:
// A) Patient demographic info is not changed ==> update the current patient
// B) New patient demographics matches (another) existing patient in the datbase
// ==> Transfer the study to that patient. This means the study count on both patients must be updated.
// The current patient should also be deleted if there's no more study attached to it after the transfer.
// C) New patient demographics doesn't match any patient in the database
// ==> A new patient should be created for this study. The study count on the current patient should be updated
// and the patient should also be deleted if this is the only study attached to it.
if (_patientInfoIsNotChanged)
{
_newPatient = _curPatient;
}
else if (_newPatient == null)
{
// No matching patient in the database. We should create a new patient for this study
_newPatient = CreateNewPatient(_newPatientInfo);
}
else
{
// There's already patient in the database with the new patient demographics
// The study should be attached to that patient.
TransferStudy(_study.Key, _oldPatientInfo, _newPatient);
}
// Copy the existing valus over into the study & series objects
// Note, this sets up an update statement that will update the key columns for
// Study Instance UID, Series Instance UID, however, note that the columns will not
// actually change value. Its alittle ugly, but it will make it so if we add new
// columns in the future, it just "works".
_file.DataSet.LoadDicomFields(patientUpdate);
_file.DataSet.LoadDicomFields(studyUpdate);
_file.DataSet.LoadDicomFields(seriesUpdate);
// Get any extensions that exist and process them
var ep = new ProcessorInsertExtensionPoint();
var extensions = ep.CreateExtensions();
foreach (IInsertExtension e in extensions)
e.UpdateExtension(_partition.Key, patientUpdate,studyUpdate,seriesUpdate, _file);
UpdatePatientEncoding(_newPatient, patientUpdate);
SetStudyEncoding(_study, studyUpdate);
// Update the Study table
var patientUpdateBroker = UpdateContext.GetBroker<IPatientEntityBroker>();
patientUpdateBroker.Update(_newPatient.Key, patientUpdate);
// Update the Study table
var studyUpdateBroker = UpdateContext.GetBroker<IStudyEntityBroker>();
studyUpdateBroker.Update(_study.Key, studyUpdate);
// Update the Series table
var seriesUpdateBroker = UpdateContext.GetBroker<ISeriesEntityBroker>();
seriesUpdateBroker.Update(_curSeries.Key, seriesUpdate);
// If the Request Attributes Sequence is in the dataset, do an insert.
// Small hole in this that if the value of this sequence has changed, both the old and
// the new values will stay in the database, not much to do about it, except
// reprocess the whole series, which doesn't seem worth it.
if (_file.DataSet.Contains(DicomTags.RequestAttributesSequence))
{
var attribute = _file.DataSet[DicomTags.RequestAttributesSequence] as DicomAttributeSQ;
if (attribute != null && !attribute.IsEmpty)
{
foreach (DicomSequenceItem sequenceItem in (DicomSequenceItem[])attribute.Values)
{
var requestParms = new RequestAttributesInsertParameters();
sequenceItem.LoadDicomFields(requestParms);
requestParms.SeriesKey = _curSeries.Key;
var insertRequest = UpdateContext.GetBroker<IInsertRequestAttributes>();
insertRequest.Execute(requestParms);
}
}
}
}
static public Patient Insert(IUpdateContext update, Patient entity)
{
var broker = update.GetBroker<IPatientEntityBroker>();
var updateColumns = new PatientUpdateColumns();
updateColumns.ServerPartitionKey = entity.ServerPartitionKey;
updateColumns.NumberOfPatientRelatedStudies = entity.NumberOfPatientRelatedStudies;
updateColumns.NumberOfPatientRelatedSeries = entity.NumberOfPatientRelatedSeries;
updateColumns.NumberOfPatientRelatedInstances = entity.NumberOfPatientRelatedInstances;
updateColumns.SpecificCharacterSet = entity.SpecificCharacterSet;
updateColumns.PatientsName = entity.PatientsName;
updateColumns.PatientId = entity.PatientId;
updateColumns.IssuerOfPatientId = entity.IssuerOfPatientId;
Patient newEntity = broker.Insert(updateColumns);
return newEntity;
}
private void UpdatePatientEncoding(Patient patient, PatientUpdateColumns update)
{
// set the SpecificCharacterSet of the patient and study record. This will update the database
// and force Patient/Study/Series level query response to be encoded in UTF8. Image level responses
// will be encoded using the character set in the image (see QueryScpExtension)
//
// Only update the db if necessary
if (IsUTF8(patient.SpecificCharacterSet))
{
update.SpecificCharacterSet = UTF8;
}
}
private void UpdatePatientDemographics(ServerEntityKey patientEntityKey, PatientInfo patientInfo)
{
Platform.Log(LogLevel.Info, "Update patient record...");
var patientUpdateBroker = UpdateContext.GetBroker<IPatientEntityBroker>();
var columns = new PatientUpdateColumns();
columns.IssuerOfPatientId = patientInfo.IssuerOfPatientId;
columns.PatientId = patientInfo.PatientId;
columns.PatientsName = patientInfo.PatientsName;
if (atLeastOneFileUpdatedToUTF8)
columns.SpecificCharacterSet = UTF8;
patientUpdateBroker.Update(patientEntityKey, columns);
}