internal static T ToThingBase <T>(this Observation observation) where T : ThingBase, new()
{
T baseThing = new T();
Guid id;
if (Guid.TryParse(observation.Id, out id))
{
baseThing.Key = new ThingKey(id);
}
Guid version;
if (observation.Meta != null && observation.Meta.VersionId != null && Guid.TryParse(observation.Meta.VersionId, out version))
{
baseThing.Key.VersionStamp = version;
}
ThingFlags flags;
var extensionFlag = observation.GetExtension(HealthVaultExtensions.FlagsFhirExtensionName);
if (extensionFlag != null)
{
if (extensionFlag.Value is FhirString && Enum.TryParse <ThingFlags>((extensionFlag.Value as FhirString).ToString(), out flags))
{
baseThing.Flags = flags;
}
}
return(baseThing);
}
internal static BloodGlucose ToBloodGlucose(this Observation observation)
{
var bloodGlucose = observation.ToThingBase <BloodGlucose>();
bloodGlucose.Value = ObservationToHealthVault.GetThingValueFromQuantity <BloodGlucoseMeasurement>(observation.Value as Quantity);
bloodGlucose.When = ObservationToHealthVault.GetWhenFromEffective(observation.Effective);
var bloodGlucoseExtension = observation.GetExtension(HealthVaultExtensions.BloodGlucose);
if (bloodGlucoseExtension != null)
{
bloodGlucose.MeasurementContext = bloodGlucoseExtension.GetExtensionValue <CodeableConcept>(HealthVaultExtensions.BloodGlucoseMeasurementContext).ToCodableValue();
bloodGlucose.OutsideOperatingTemperature = bloodGlucoseExtension.GetBoolExtension(HealthVaultExtensions.OutsideOperatingTemperatureExtensionName);
bloodGlucose.IsControlTest = bloodGlucoseExtension.GetBoolExtension(HealthVaultExtensions.IsControlTestExtensionName);
Normalcy normalcy;
if (Enum.TryParse <Normalcy>(bloodGlucoseExtension.GetStringExtension(HealthVaultExtensions.ReadingNormalcyExtensionName), out normalcy))
{
bloodGlucose.ReadingNormalcy = normalcy;
}
}
if (observation.Code != null && observation.Code.Coding != null)
{
foreach (var code in observation.Code.Coding)
{
if (HealthVaultVocabularies.SystemContainsHealthVaultUrl(code.System))
{
bloodGlucose.GlucoseMeasurementType = observation.Method.ToCodableValue();
}
else
{
bloodGlucose.SetGlucoseMeasurementType(
code.Display,
code.Code,
HealthVaultVocabularies.Fhir,
code.System,
code.Version);
}
}
}
return(bloodGlucose);
}
