public static CodedValue ToCodedValue(this Coding coding)
{
var uri = new Uri(coding.System);
var returnValue = new CodedValue
{
Value = coding.Code,
Version = coding.Version,
};
var family = CodeToHealthVaultHelper.GetFamily(uri);
if (!string.IsNullOrEmpty(family))
{
returnValue.Family = family;
}
var vocabName = CodeToHealthVaultHelper.GetVocabularyName(uri);
if (!string.IsNullOrEmpty(vocabName))
{
returnValue.VocabularyName = vocabName;
}
return(returnValue);
}
public static ThingBase ToHealthVault(this MedicationStatement medicationStatement)
{
var fhirMedication = MedicationStatementHelper.ExtractEmbeddedMedication(medicationStatement);
if (fhirMedication == null)
{
return(null);
}
var hvMedication = fhirMedication.ToHealthVault() as HVMedication;
if (medicationStatement.Dosage.Any())
{
var dosage = medicationStatement.Dosage.First();
switch (dosage.Dose)
{
case null:
break;
case SimpleQuantity doseQuantity:
var dose = new GeneralMeasurement {
};
dose.Structured.Add(new StructuredMeasurement
{
Value = (double)doseQuantity.Value,
Units = CodeToHealthVaultHelper.CreateCodableValueFromQuantityValues(doseQuantity.System, doseQuantity.Code, doseQuantity.Unit)
});
hvMedication.Dose = dose;
break;
case Range doseRange:
throw new NotImplementedException();
}
Timing.RepeatComponent repeat = dosage.Timing?.Repeat;
if (repeat?.Period != null && repeat?.PeriodUnit != null)
{
var frequency = new GeneralMeasurement {
};
frequency.Structured.Add(new StructuredMeasurement
{
Value = (double)repeat.Period,
Units = CodeToHealthVaultHelper.GetRecurrenceIntervalFromPeriodUnit(repeat.PeriodUnit.Value)
});
hvMedication.Frequency = frequency;
}
var route = dosage.Route.ToCodableValue();
hvMedication.Route = route;
}
return(hvMedication);
}
public static ThingBase ToHealthVault(this FhirMedication fhirMedication)
{
var hvMedication = new HVMedication();
var name = fhirMedication.Code.ToCodableValue();
if (name == null)
{
throw new NotSupportedException($"{nameof(FhirMedication)} should" +
$" have {nameof(fhirMedication.Code)}");
}
hvMedication.Name = name;
var medicationExtension = fhirMedication.GetExtension(HealthVaultExtensions.Medication);
if (medicationExtension != null)
{
var genericName = medicationExtension
.GetExtensionValue <CodeableConcept>(HealthVaultExtensions.MedicationGenericName);
hvMedication.GenericName = genericName?.ToCodableValue();
var strengthExtension = medicationExtension.GetExtension(HealthVaultExtensions.MedicationStrength);
if (strengthExtension != null)
{
string display = strengthExtension.GetStringExtension(HealthVaultExtensions.MedicationStrengthDisplay);
var strength = new GeneralMeasurement(display);
foreach (var quantityExtension
in strengthExtension.GetExtensions(HealthVaultExtensions.MedicationStrengthQuantity))
{
var quantity = quantityExtension.Value as Quantity;
if (quantity == null)
{
continue;
}
strength.Structured.Add(new StructuredMeasurement
{
Value = (double)quantity.Value,
Units = CodeToHealthVaultHelper.CreateCodableValueFromQuantityValues(
quantity.System, quantity.Code, quantity.Unit)
});
}
hvMedication.Strength = strength;
}
}
return(hvMedication);
}
private static string GetExerciseDetail(Extension detail, out ExerciseDetail exerciseDetail)
{
var key = "";
exerciseDetail = new ExerciseDetail();
foreach (var extension in detail.Extension)
{
if (extension.Value == null)
{
continue;
}
switch (extension.Url)
{
case HealthVaultExtensions.ExerciseDetailName:
key = ((FhirString)extension.Value).Value;
break;
case HealthVaultExtensions.ExerciseDetailType:
exerciseDetail.Name = ((Coding)extension.Value).ToCodedValue();
break;
case HealthVaultExtensions.ExerciseDetailValue:
var detailQuantity = (Quantity)extension.Value;
if (detailQuantity?.Value != null)
{
exerciseDetail.Value = new StructuredMeasurement(
(double)detailQuantity.Value,
CodeToHealthVaultHelper.CreateCodableValueFromQuantityValues(detailQuantity.System, detailQuantity.Code, detailQuantity.Unit)
);
}
break;
}
}
return(key);
}
/// <summary>
/// This extension method transforms from a FHIR Observation to a HealthVault Thing type
/// </summary>
/// <param name="observation">The observation source</param>
/// <returns>The HealthVault thing</returns>
public static ThingBase ToHealthVault(this Observation observation)
{
return(observation.ToHealthVault(CodeToHealthVaultHelper.DetectHealthVaultTypeFromObservation(observation)));
}
/// <summary>
/// This extension method transforms from a FHIR DocumentReference to a HealthVault Thing type
/// </summary>
/// <param name="documentReference">The DocumentReference source</param>
/// <returns>The HealthVault thing</returns>
public static ThingBase ToHealthVault(this DocumentReference documentReference)
{
return(documentReference.ToHealthVault(CodeToHealthVaultHelper.DetectHealthVaultTypeFromDocumentReference(documentReference)));
}
public static ThingBase ToHealthVault(this MedicationRequest medicationRequest)
{
var fhirMedication = MedicationRequestHelper.ExtractEmbeddedMedication(medicationRequest);
if (fhirMedication == null)
{
return(null);
}
var hvMedication = fhirMedication.ToHealthVault() as HVMedication;
var practitioner = ExtractEmbeddedPractitioner(medicationRequest);
if (practitioner == null)
{
throw new NotSupportedException($"{nameof(MedicationRequest)} needs to have an embedded Requester Agent");
}
var prescription = new Prescription(practitioner.ToHealthVault());
if (medicationRequest.AuthoredOnElement != null)
{
var dt = medicationRequest.AuthoredOnElement.ToDateTimeOffset();
prescription.DatePrescribed = new ApproximateDateTime(
new ApproximateDate(dt.Year, dt.Month, dt.Day),
new ApproximateTime(dt.Hour, dt.Minute, dt.Second, dt.Millisecond));
}
MedicationRequest.DispenseRequestComponent dispenseRequest = medicationRequest.DispenseRequest;
if (dispenseRequest != null)
{
var numerator = dispenseRequest.Quantity;
if (numerator != null)
{
var structuredMeasurement = new StructuredMeasurement
{
Value = (double)numerator.Value,
Units = CodeToHealthVaultHelper.CreateCodableValueFromQuantityValues(numerator.System,
numerator.Code, numerator.Unit)
};
prescription.AmountPrescribed = new GeneralMeasurement();
prescription.AmountPrescribed.Structured.Add(structuredMeasurement);
}
prescription.Refills = dispenseRequest.NumberOfRepeatsAllowed;
prescription.DaysSupply = GetDaysFromDuration(dispenseRequest.ExpectedSupplyDuration);
FhirDateTime end = dispenseRequest.ValidityPeriod?.EndElement;
if (end != null)
{
var endDate = end.ToDateTimeOffset();
prescription.PrescriptionExpiration = new HealthServiceDate(endDate.Year
, endDate.Month, endDate.Day);
}
}
if (medicationRequest.DosageInstruction.Any())
{
var dosageInstruction = medicationRequest.DosageInstruction
.FirstOrDefault(dosage => dosage.AdditionalInstruction.Any());
if (dosageInstruction != null)
{
var instruction = dosageInstruction.AdditionalInstruction.First();
prescription.Instructions = instruction.ToCodableValue();
}
}
if (medicationRequest.Substitution != null)
{
prescription.Substitution = GetSubstitutionCode(medicationRequest, prescription);
}
hvMedication.Prescription = prescription;
return(hvMedication);
}
