Examples with MedicationOrder ca.uhn.fhir.model.dstu2.resource.MedicationOrder used on opensource projects

Example 1 with MedicationOrder

use of ca.uhn.fhir.model.dstu2.resource.MedicationOrder 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;
}