use of ca.uhn.fhir.model.dstu2.composite.TimingDt in project synthea by synthetichealth.
the class FhirDstu2 method medication.
/**
* Map the given Medication to a FHIR MedicationRequest resource, and add it to the given Bundle.
*
* @param rand
* Source of randomness to use when generating ids etc
* @param personEntry
* The Entry for the Person
* @param bundle
* Bundle to add the Medication to
* @param encounterEntry
* Current Encounter entry
* @param medication
* The Medication
* @return The added Entry
*/
private static Entry medication(RandomNumberGenerator rand, Entry personEntry, Bundle bundle, Entry encounterEntry, Medication medication) {
MedicationOrder medicationResource = new MedicationOrder();
medicationResource.setPatient(new ResourceReferenceDt(personEntry.getFullUrl()));
medicationResource.setEncounter(new ResourceReferenceDt(encounterEntry.getFullUrl()));
ca.uhn.fhir.model.dstu2.resource.Encounter encounter = (ca.uhn.fhir.model.dstu2.resource.Encounter) encounterEntry.getResource();
medicationResource.setPrescriber(encounter.getParticipantFirstRep().getIndividual());
Code code = medication.codes.get(0);
String system = code.system.equals("SNOMED-CT") ? SNOMED_URI : RXNORM_URI;
medicationResource.setMedication(mapCodeToCodeableConcept(code, system));
medicationResource.setDateWritten(new DateTimeDt(new Date(medication.start)));
if (medication.stop != 0L) {
medicationResource.setStatus(MedicationOrderStatusEnum.STOPPED);
} else {
medicationResource.setStatus(MedicationOrderStatusEnum.ACTIVE);
}
if (!medication.reasons.isEmpty()) {
// Only one element in list
Code reason = medication.reasons.get(0);
for (Entry entry : bundle.getEntry()) {
if (entry.getResource().getResourceName().equals("Condition")) {
Condition condition = (Condition) entry.getResource();
// Only one element in list
CodingDt coding = condition.getCode().getCoding().get(0);
if (reason.code.equals(coding.getCode())) {
medicationResource.setReason(new ResourceReferenceDt(entry.getFullUrl()));
}
}
}
}
if (medication.prescriptionDetails != null) {
JsonObject rxInfo = medication.prescriptionDetails;
DosageInstruction dosage = new DosageInstruction();
// as_needed is true if present
dosage.setAsNeeded(new BooleanDt(rxInfo.has("as_needed")));
// as_needed is true if present
if ((rxInfo.has("dosage")) && (!rxInfo.has("as_needed"))) {
TimingDt timing = new TimingDt();
Repeat timingRepeatComponent = new Repeat();
timingRepeatComponent.setFrequency(rxInfo.get("dosage").getAsJsonObject().get("frequency").getAsInt());
timingRepeatComponent.setPeriod(rxInfo.get("dosage").getAsJsonObject().get("period").getAsDouble());
timingRepeatComponent.setPeriodUnits(convertUcumCode(rxInfo.get("dosage").getAsJsonObject().get("unit").getAsString()));
timing.setRepeat(timingRepeatComponent);
dosage.setTiming(timing);
QuantityDt dose = new SimpleQuantityDt().setValue(rxInfo.get("dosage").getAsJsonObject().get("amount").getAsDouble());
dosage.setDose(dose);
if (rxInfo.has("instructions")) {
for (JsonElement instructionElement : rxInfo.get("instructions").getAsJsonArray()) {
JsonObject instruction = instructionElement.getAsJsonObject();
Code instructionCode = new Code(SNOMED_URI, instruction.get("code").getAsString(), instruction.get("display").getAsString());
dosage.setAdditionalInstructions(mapCodeToCodeableConcept(instructionCode, SNOMED_URI));
}
}
}
List<DosageInstruction> dosageInstruction = new ArrayList<DosageInstruction>();
dosageInstruction.add(dosage);
medicationResource.setDosageInstruction(dosageInstruction);
}
Entry medicationEntry = newEntry(rand, bundle, medicationResource);
// create new claim for medication
medicationClaim(rand, personEntry, bundle, encounterEntry, medication.claim, medicationEntry);
// Create new administration for medication, if needed
if (medication.administration) {
medicationAdministration(rand, personEntry, bundle, encounterEntry, medication);
}
return medicationEntry;
}
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