Medplum

// SPDX-FileCopyrightText: Copyright Orangebot, Inc. and Medplum contributors // SPDX-License-Identifier: Apache-2.0 import type { DocumentReference, ServiceRequest } from '@medplum/fhirtypes'; import type { MedplumClient } from '@medplum/core'; const HEALTH_GORILLA_REQUEST_SYSTEM = 'https://www.healthgorilla.com'; /** * Fetches DocumentReference resources with LabOrderRequisition category that match a ServiceRequest's Health Gorilla Requisition ID * @param medplum - The Medplum client * @param serviceRequest - The ServiceRequest to fetch the DocumentReference for * @returns The DocumentReference resources */ export async function fetchLabOrderRequisitionDocuments( medplum: MedplumClient, serviceRequest: ServiceRequest ): Promise<DocumentReference[]> { const healthGorillaRequisitionId = getHealthGorillaRequisitionId(serviceRequest); if (!healthGorillaRequisitionId) { return []; } const searchParams = new URLSearchParams({ category: 'LabOrderRequisition', identifier: `${HEALTH_GORILLA_REQUEST_SYSTEM}|${healthGorillaRequisitionId}`, _sort: '-_lastUpdated', }); const results = await medplum.searchResources('DocumentReference', searchParams, { cache: 'no-cache' }); return results; } /** * Extracts the Health Gorilla Requisition ID from a ServiceRequest * Looks for the requisition identifier with system "https://www.healthgorilla.com" * @param serviceRequest - The ServiceRequest to extract the Health Gorilla Requisition ID from * @returns The Health Gorilla Requisition ID */ export function getHealthGorillaRequisitionId(serviceRequest: ServiceRequest): string | undefined { // Check if ServiceRequest has a requisition identifier if (serviceRequest.requisition?.system === HEALTH_GORILLA_REQUEST_SYSTEM) { return serviceRequest.requisition.value; } // Also check the identifier array for Health Gorilla identifiers if (serviceRequest.identifier) { const healthGorillaIdentifier = serviceRequest.identifier.find((id) => id.system === HEALTH_GORILLA_REQUEST_SYSTEM); if (healthGorillaIdentifier?.value) { return healthGorillaIdentifier.value; } } return undefined; }