public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/plain";
try
{
Stream httpStream = context.Request.InputStream;
StreamReader httpStreamReader = new StreamReader(httpStream);
Resource newResource = FHIRUtilities.StreamToFHIR(httpStreamReader);
_patient = (Patient)newResource;
//find all patient without fingerprints. should be a small sample.
//if found, return localid
//if not found, return "no match found"
MongoDBWrapper dbwrapper = new MongoDBWrapper(NoIDMongoDBAddress, SparkMongoDBAddress);
AlternateSearch altSearch = GetAlternateFromPatient(_patient);
string localNoID = dbwrapper.AlternateSearch(altSearch);
if (localNoID.ToLower().Contains("noid://") == false)
{
dbwrapper.AddAlternateSearch(altSearch);
_responseText = "no match found";
}
else
{
_responseText = localNoID;
}
}
catch (Exception ex)
{
_responseText = "Error in AltMatchByDemographics::ProcessRequest: " + ex.Message;
LogUtilities.LogEvent(_responseText);
}
context.Response.Write(_responseText);
context.Response.End();
}
AlternateSearch GetAlternateFromPatient(Patient pt)
{
AlternateSearch alt = new AlternateSearch();
try
{
// Gets the demographics from the patient FHIR resource class
alt.LastName = pt.Name[0].Family.ToString();
List <string> givenNames = pt.Name[0].Given.ToList();
alt.FirstName = givenNames[0].ToString();
if (givenNames.Count > 1)
{
alt.MiddleName = givenNames[1].ToString();
}
alt.Gender = pt.Gender.ToString().Substring(0, 1).ToUpper();
alt.BirthDate = pt.BirthDate;
foreach (var id in pt.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)
{
alt.ExceptionReason = ext.Value.ToString();
}
else if (ext.Url.ToLower().Contains("question 1") == true)
{
alt.Question1 = ext.Value.ToString();
}
else if (ext.Url.ToLower().Contains("answer 1") == true)
{
alt.Answer1 = ext.Value.ToString();
}
else if (ext.Url.ToLower().Contains("question 2") == true)
{
alt.Question2 = ext.Value.ToString();
}
else if (ext.Url.ToLower().Contains("answer 2") == true)
{
alt.Answer1 = ext.Value.ToString();
}
}
}
}
// Gets the address information from the patient FHIR resource class
if (pt.Address.Count > 0)
{
List <string> addressLines = pt.Address[0].Line.ToList();
alt.StreetAddress = addressLines[0].ToString();
if (addressLines.Count > 1)
{
alt.StreetAddress2 = addressLines[1].ToString();
}
alt.City = pt.Address[0].City.ToString();
alt.State = pt.Address[0].State.ToString();
alt.PostalCode = pt.Address[0].PostalCode.ToString();
alt.Country = pt.Address[0].Country.ToString();
}
// Gets the contact information from the patient FHIR resource class
if (pt.Contact.Count > 0)
{
foreach (var contact in pt.Contact)
{
foreach (var telecom in contact.Telecom)
{
if (telecom.Use.ToString().ToLower() == "home")
{
if (telecom.System.ToString().ToLower() == "email")
{
alt.Email = telecom.Value.ToString();
}
else if (telecom.System.ToString().ToLower() == "phone")
{
alt.Phone = telecom.Value.ToString();
}
}
else if (telecom.Use.ToString().ToLower() == "work")
{
alt.Phone = telecom.Value.ToString();
}
else if (telecom.Use.ToString().ToLower() == "mobile")
{
alt.Phone = telecom.Value.ToString();
}
}
}
}
}
catch (Exception ex)
{
throw ex;
}
return(alt);
}
