// Mappings from ViSi model to FHIR resources
public IResource MapPatient(ViSiPatient source)
{
var patient = new Patient
{
Id = source.Id.ToString(),
BirthDateElement = new Date(source.DateOfBirth.ToString("yyyy-MM-dd"))
};
patient.Identifier.Add(new Identifier("http://mycompany.org/patientnumber", source.PatientNumber));
patient.Name.Add(new HumanName().WithGiven(source.FirstName).AndFamily(source.FamilyName));
if (source.EmailAddress != null)
{
patient.Telecom.Add(new ContactPoint(ContactPoint.ContactPointSystem.Email, ContactPoint.ContactPointUse.Home, source.EmailAddress));
}
return(patient.AsIResource());
}
// Mappings from ViSi model to FHIR resources
public IResource MapPatient(ViSiPatient source)
{
var patient = new Patient
{
Id = source.Id.ToString(),
BirthDate = source.DateOfBirth.ToFhirDate() //Time part is not converted here, since the Birthdate is of type date
//If you have it present in the source, and want to communicate it, you
//need to add a birthtime extension.
};
patient.Identifier.Add(new Identifier("http://mycompany.org/patientnumber", source.PatientNumber));
patient.Name.Add(new HumanName().WithGiven(source.FirstName).AndFamily(source.FamilyName));
if (source.EmailAddress != null)
{
patient.Telecom.Add(new ContactPoint(ContactPoint.ContactPointSystem.Email, ContactPoint.ContactPointUse.Home, source.EmailAddress));
}
return(patient.ToIResource());
}
// Mappings from FHIR resources to ViSi model
public ViSiPatient MapViSiPatient(IResource source)
{
var fhirPatient = source.ToPoco <Patient>();
var visiPatient = new ViSiPatient();
if (source.Id != null)
{
visiPatient.Id = int.Parse(source.Id);
}
// This code expects all of the values for the required fields of the database to be present
// and as such is not too robust
visiPatient.PatientNumber = fhirPatient.Identifier.FirstOrDefault(i => (i.System == "http://mycompany.org/patientnumber"))?.Value;
visiPatient.FirstName = fhirPatient.Name.FirstOrDefault()?.Given?.FirstOrDefault();
visiPatient.FamilyName = fhirPatient.Name.FirstOrDefault()?.Family;
visiPatient.DateOfBirth = Convert.ToDateTime(fhirPatient.BirthDate);
visiPatient.EmailAddress = fhirPatient.Telecom.FirstOrDefault(t => (t.System == ContactPoint.ContactPointSystem.Email))?.Value;
return(visiPatient);
}
