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33 changes: 28 additions & 5 deletions src/api/index.ts
Original file line number Diff line number Diff line change
Expand Up @@ -80,14 +80,37 @@ export async function getLatestObs(
patientUuid: string,
conceptUuid: string,
encounterTypeUuid?: string,
): Promise<FHIRObsResource> {
multiSelect: boolean = false,
): Promise<FHIRObsResource | FHIRObsResource[] | null> {
let params = `patient=${patientUuid}&code=${conceptUuid}${
encounterTypeUuid ? `&encounter.type=${encounterTypeUuid}` : ''
}`;
// the latest obs
params += '&_sort=-date&_count=1';
const { data } = await openmrsFetch(`${fhirBaseUrl}/Observation?${params}`);
return data.entry?.length ? data.entry[0].resource : null;

if (!multiSelect) {
params += '&_sort=-date&_count=1';
const { data } = await openmrsFetch(`${fhirBaseUrl}/Observation?${params}`);
return data.entry?.length ? data.entry[0].resource : null;
}
const sortedParams = `${params}&_sort=-date&_count=1`;
const { data: latestData } = await openmrsFetch(`${fhirBaseUrl}/Observation?${sortedParams}`);

if (!latestData.entry?.length) {
return [];
}

const latestObs = latestData.entry[0].resource;
const encounterReference = latestObs.encounter?.reference;

if (!encounterReference) {
return [latestObs];
}

const encounterId = encounterReference.split('/')[1];

const encounterParams = `patient=${patientUuid}&code=${conceptUuid}&encounter=${encounterId}`;
const { data: encounterData } = await openmrsFetch(`${fhirBaseUrl}/Observation?${encounterParams}`);

return encounterData.entry?.length ? encounterData.entry.map(entry => entry.resource) : [];
}

/**
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