public void ProcessRequest(HttpContext context)
{
try
{
if (uint.TryParse(MinimumAcceptedMatchScore, out _minimumAcceptedMatchScore) == false)
{
_minimumAcceptedMatchScore = 30;
}
Resource newResource = FHIRUtilities.StreamToFHIR(new StreamReader(context.Request.InputStream));
_biometics = (Media)newResource;
// TODO send to biometric match engine. If found, add patient reference to FHIR message.
// convert FHIR fingerprint message (_biometics) to AFIS template class
Template probe = ConvertFHIR.FHIRToTemplate(_biometics);
dbMinutia = new FingerPrintMatchDatabase(_databaseDirectory, _backupDatabaseDirectory, _minimumAcceptedMatchScore);
try
{
dbMinutia.LateralityCode = (FHIRUtilities.LateralitySnoMedCode)probe.NoID.LateralitySnoMedCode;
dbMinutia.CaptureSite = (FHIRUtilities.CaptureSiteSnoMedCode)probe.NoID.CaptureSiteSnoMedCode;
}
catch { }
MinutiaResult minutiaResult = dbMinutia.SearchPatients(probe);
if (minutiaResult != null)
{
if (minutiaResult.NoID != null && minutiaResult.NoID.Length > 0)
{
// Fingerprint found in database
// check if patient is already pending.
MongoDBWrapper dbwrapper = new MongoDBWrapper(NoIDMongoDBAddress, SparkMongoDBAddress);
string currentStatus = dbwrapper.GetCurrentStatus(minutiaResult.NoID);
if (currentStatus.ToLower() != "pending")
{
_responseText = minutiaResult.NoID; //TODO: for now, it returns the localNoID. should return a FHIR response.
}
else
{
_responseText = "pending";
}
LogUtilities.LogEvent(_responseText);
}
else
{
_responseText = "No local database match.";
LogUtilities.LogEvent(_responseText);
}
}
else
{
_responseText = "No local database match.";
LogUtilities.LogEvent(_responseText);
}
dbMinutia.Dispose();
LogUtilities.LogEvent("After dbMinutia.Dispose();");
}
catch (Exception ex)
{
_exception = ex;
_responseText = ex.Message;
}
context.Response.Write(_responseText);
context.Response.End();
}
public FHIRMessageRouter(HttpContext context)
{
try
{
if (uint.TryParse(MinimumAcceptedMatchScore, out _minimumAcceptedMatchScore) == false)
{
_minimumAcceptedMatchScore = 30;
}
Resource newResource = FHIRUtilities.StreamToFHIR(new StreamReader(context.Request.InputStream));
switch (newResource.TypeName.ToLower())
{
case "patient":
//if new patient. TODO: check meta for NoID status
SessionQueue seq = new SessionQueue();
_patient = (Patient)newResource;
string sessionID = "";
if (_patient.Identifier.Count > 0)
{
foreach (Identifier id in _patient.Identifier)
{
if (id.System.ToString().ToLower().Contains("session") == true)
{
sessionID = id.Value.ToString();
}
}
}
Patient ptSaved = (Patient)SendPatientToSparkServer();
if (ptSaved == null)
{
_responseText = "Error sending Patient FHIR message to the Spark FHIR endpoint. " + ExceptionString;
return;
}
string LocalNoID = ptSaved.Id.ToString();
//TODO: make this an atomic transaction.
// delete the FHIR message from Spark if there is an error in the minutia.
//TODO check for existing patient and expire old messages for the patient.
if (_patient.Photo.Count > 0)
{
dbMinutia = new FingerPrintMatchDatabase(_databaseDirectory, _backupDatabaseDirectory, _minimumAcceptedMatchScore);
foreach (var minutia in _patient.Photo)
{
byte[] byteMinutias = minutia.Data;
Stream stream = new MemoryStream(byteMinutias);
Media media = (Media)FHIRUtilities.StreamToFHIR(new StreamReader(stream));
// Save minutias for matching.
Template fingerprintTemplate = ConvertFHIR.FHIRToTemplate(media);
fingerprintTemplate.NoID.LocalNoID = LocalNoID;
try
{
dbMinutia.LateralityCode = (FHIRUtilities.LateralitySnoMedCode)fingerprintTemplate.NoID.LateralitySnoMedCode;
dbMinutia.CaptureSite = (FHIRUtilities.CaptureSiteSnoMedCode)fingerprintTemplate.NoID.CaptureSiteSnoMedCode;
}
catch { }
if (dbMinutia.AddTemplate(fingerprintTemplate) == false)
{
_responseText = "Error adding a fingerprint to the match database.";
}
}
dbMinutia.Dispose();
_responseText = "Successful.";
}
break;
case "media":
_biometics = (Media)newResource;
// TODO send to biometric match engine. If found, add patient reference to FHIR message.
// convert FHIR fingerprint message (_biometics) to AFIS template class
Template probe = ConvertFHIR.FHIRToTemplate(_biometics);
dbMinutia = new FingerPrintMatchDatabase(_databaseDirectory, _backupDatabaseDirectory, _minimumAcceptedMatchScore);
try
{
dbMinutia.LateralityCode = (FHIRUtilities.LateralitySnoMedCode)probe.NoID.LateralitySnoMedCode;
dbMinutia.CaptureSite = (FHIRUtilities.CaptureSiteSnoMedCode)probe.NoID.CaptureSiteSnoMedCode;
}
catch { }
MinutiaResult minutiaResult = dbMinutia.SearchPatients(probe);
if (minutiaResult != null)
{
if (minutiaResult.NoID != null && minutiaResult.NoID.Length > 0)
{
// Fingerprint found in database
_responseText = minutiaResult.NoID; //TODO: for now, it returns the localNoID. should return a FHIR response.
}
else
{
_responseText = "No local database match.";
}
}
else
{
_responseText = "No local database match.";
}
dbMinutia.Dispose();
if (!(SendBiometicsToSparkServer()))
{
_responseText = "Error sending Biometric Media FHIR message to the Spark FHIR endpoint. " + ExceptionString;
}
break;
default:
_responseText = newResource.TypeName.ToLower() + " not supported.";
break;
}
}
catch (Exception ex)
{
_responseText = "Error in FHIRMessageRouter::FHIRMessageRouter: " + ex.Message;
}
}
public void ProcessRequest(HttpContext context)
{
try
{
bool biometricsSaved = false;
string missingReason = "";
string question1 = "";
string question2 = "";
string answer1 = "";
string answer2 = "";
if (uint.TryParse(MinimumAcceptedMatchScore, out _minimumAcceptedMatchScore) == false)
{
_minimumAcceptedMatchScore = 30;
}
Stream httpStream = context.Request.InputStream;
StreamReader httpStreamReader = new StreamReader(httpStream);
Resource newResource = FHIRUtilities.StreamToFHIR(httpStreamReader);
_patient = (Patient)newResource;
//TODO: make sure this FHIR message has a new pending status.
//TODO: make this an atomic transaction.
// delete the FHIR message from Spark if there is an error in the minutia.
Patient ptSaved = (Patient)SendPatientToSparkServer();
//LogUtilities.LogEvent("AddNewPatient.ashx Saved FHIR in spark.");
if (ptSaved == null)
{
_responseText = "Error sending Patient FHIR message to the Spark FHIR endpoint. " + ExceptionString;
return;
}
SourceAFIS.Templates.NoID noID = new SourceAFIS.Templates.NoID();
noID.SessionID = ptSaved.Id.ToString();
//TODO: Add Argon2d hash here:
noID.LocalNoID = "noid://" + DomainName + "/" + StringUtilities.SHA256(DomainName + noID.SessionID + NodeSalt);
SessionQueue seq = Utilities.PatientToSessionQueue(_patient, ptSaved.Id.ToString(), noID.LocalNoID, "new", "pending");
seq.SubmitDate = DateTime.UtcNow;
//TODO: send to selected match hub and get the remote hub ID.
// Hub ID in the same format: noid://domain/LocalID
if (_patient.Photo.Count > 0)
{
dbMinutia = new FingerPrintMatchDatabase(DatabaseDirectory, BackupDatabaseDirectory, _minimumAcceptedMatchScore);
foreach (var minutia in _patient.Photo)
{
byte[] byteMinutias = minutia.Data;
Stream stream = new MemoryStream(byteMinutias);
Media media = (Media)FHIRUtilities.StreamToFHIR(new StreamReader(stream));
// Save minutias for matching.
Template fingerprintTemplate = ConvertFHIR.FHIRToTemplate(media);
fingerprintTemplate.NoID = noID;
try
{
dbMinutia.LateralityCode = (FHIRUtilities.LateralitySnoMedCode)fingerprintTemplate.NoID.LateralitySnoMedCode;
dbMinutia.CaptureSite = (FHIRUtilities.CaptureSiteSnoMedCode)fingerprintTemplate.NoID.CaptureSiteSnoMedCode;
}
catch { }
if (dbMinutia.AddTemplate(fingerprintTemplate) == false)
{
_responseText = "Error adding a fingerprint to the match database.";
}
}
dbMinutia.Dispose();
biometricsSaved = true;
}
else
{
// check alternate pathway Q&A
foreach (var id in _patient.Identifier)
{
if (id.System.ToLower().Contains("biometric") == true)
{
Extension extExceptionQA = id.Extension[0];
foreach (var ext in extExceptionQA.Extension)
{
if (ext.Url.ToLower().Contains("reason") == true)
{
missingReason = ext.Value.ToString();
}
else if (ext.Url.ToLower().Contains("question 1") == true)
{
question1 = ext.Value.ToString();
}
else if (ext.Url.ToLower().Contains("answer 1") == true)
{
answer1 = ext.Value.ToString();
}
else if (ext.Url.ToLower().Contains("question 2") == true)
{
question2 = ext.Value.ToString();
}
else if (ext.Url.ToLower().Contains("answer 2") == true)
{
answer2 = ext.Value.ToString();
}
}
if (
missingReason.Length > 0 &&
question1.Length > 0 && answer1.Length > 0 &&
question2.Length > 0 && answer2.Length > 0
)
{
if (missingReason != "I am permanently physically unable to provide fingerprints")
{
if (missingReason == "I am temporarily physically unable to provide fingerprints")
{
seq.PatientStatus = "hold**";
}
else if (missingReason == "I attempted the fingerprint scan process, but I could not get a successful scan on either hand")
{
seq.PatientStatus = "hold";
}
}
else
{
seq.PatientStatus = "new***";
}
biometricsSaved = true;
}
}
}
// log patient in alternatesearch container
}
if (biometricsSaved)
{
MongoDBWrapper dbwrapper = new MongoDBWrapper(NoIDMongoDBAddress, SparkMongoDBAddress);
dbwrapper.AddPendingPatient(seq);
}
else
{
_responseText = "Critical Error! No biometrics or alternates provided. Can not complete enrollment.";
LogUtilities.LogEvent(_responseText);
}
//TODO: end atomic transaction.
_responseText = "Successful.";
//LogUtilities.LogEvent("Ending AddNewPatient.ashx");
}
catch (Exception ex)
{
_responseText = "Error in AddNewPatient::ProcessRequest: " + ex.Message;
LogUtilities.LogEvent(_responseText);
}
context.Response.Write(_responseText);
context.Response.End();
}
public PatientProfile(string organizationName, Uri fhirAddress, Patient loadPatient, string noidStatus, DateTime checkinDateTime)
{
_organizationName = organizationName;
_fhirAddress = fhirAddress;
_noidStatus = noidStatus;
_checkinDateTime = FHIRUtilities.DateTimeToFHIRString(checkinDateTime);
NewSession();
if (loadPatient != null)
{
_noID = new SourceAFIS.Templates.NoID();
SetMetaData(loadPatient); //Sets all the data from the meta area of FHIR message
SetIdentifierData(loadPatient); //Sets all the data from the identifier area of FHIR message
// Gets the demographics from the patient FHIR resource class
_lastName = loadPatient.Name[0].Family.ToString();
List <string> givenNames = loadPatient.Name[0].Given.ToList();
_firstName = givenNames[0].ToString();
if (givenNames.Count > 1)
{
_middleName = givenNames[1].ToString();
}
_gender = loadPatient.Gender.ToString().Substring(0, 1).ToUpper();
_birthDate = loadPatient.BirthDate.ToString();
// Gets the address information from the patient FHIR resource class
if (loadPatient.Address.Count > 0)
{
List <string> addressLines = loadPatient.Address[0].Line.ToList();
_streetAddress = addressLines[0].ToString();
if (addressLines.Count > 1)
{
_streetAddress2 = addressLines[1].ToString();
}
_city = loadPatient.Address[0].City.ToString();
_state = loadPatient.Address[0].State.ToString();
_postalCode = loadPatient.Address[0].PostalCode.ToString();
_country = loadPatient.Address[0].Country.ToString();
}
// Gets the contact information from the patient FHIR resource class
if (loadPatient.Contact.Count > 0)
{
foreach (var contact in loadPatient.Contact)
{
foreach (var telecom in contact.Telecom)
{
if (telecom.Use.ToString().ToLower() == "home")
{
if (telecom.System.ToString().ToLower() == "email")
{
EmailAddress = telecom.Value.ToString();
}
else if (telecom.System.ToString().ToLower() == "phone")
{
PhoneHome = telecom.Value.ToString();
}
}
else if (telecom.Use.ToString().ToLower() == "work")
{
PhoneWork = telecom.Value.ToString();
}
else if (telecom.Use.ToString().ToLower() == "mobile")
{
PhoneCell = telecom.Value.ToString();
}
}
}
}
if (loadPatient.Photo.Count > 0)
{
foreach (var minutia in loadPatient.Photo)
{
Attachment mediaAttachment = loadPatient.Photo[0];
byte[] byteMinutias = mediaAttachment.Data;
Stream stream = new MemoryStream(byteMinutias);
Media media = (Media)FHIRUtilities.StreamToFHIR(new StreamReader(stream));
// Get captureSite and laterality from media
string captureSiteDescription = media.Extension[1].Value.Extension[1].Value.ToString();
string lateralityCode = media.Extension[1].Value.Extension[2].Value.ToString();
string DeviceName = media.Extension[2].Value.Extension[1].Value.ToString();
string OriginalDpi = media.Extension[2].Value.Extension[2].Value.ToString();
string OriginalHeight = media.Extension[2].Value.Extension[3].Value.ToString();
string OriginalWidth = media.Extension[2].Value.Extension[4].Value.ToString();
Template addMinutia = ConvertFHIR.FHIRToTemplate(media);
FingerPrintMinutias newFingerPrintMinutias = new FingerPrintMinutias(
SessionID, addMinutia, FHIRUtilities.SnoMedCodeToLaterality(lateralityCode), FHIRUtilities.StringToCaptureSite(captureSiteDescription));
AddFingerPrint(newFingerPrintMinutias, DeviceName, Int32.Parse(OriginalDpi), Int32.Parse(OriginalHeight), Int32.Parse(OriginalWidth));
}
_biometricsCaptured = GetBiometricsCaptured();
}
}
else
{
throw new Exception("Error in PatientProfile constructor. loadPatient is null.");
}
}
