// SPDX-FileCopyrightText: Copyright Orangebot, Inc. and Medplum contributors
// SPDX-License-Identifier: Apache-2.0
import type { MedplumClient, WithId } from '@medplum/core';
import { createReference, getReferenceString } from '@medplum/core';
import type { ChargeItem, Encounter } from '@medplum/fhirtypes';
/**
* Standalone function to fetch and apply ChargeItemDefinition to charge item
* @param medplum - Medplum client instance
* @param chargeItem - Current charge item
* @returns Promise with updated charge items
*/
export async function applyChargeItemDefinition(
medplum: MedplumClient,
chargeItem: WithId<ChargeItem>
): Promise<WithId<ChargeItem>> {
if (!chargeItem.definitionCanonical || chargeItem.definitionCanonical.length === 0) {
return chargeItem;
}
const searchResult = await medplum.searchResources(
'ChargeItemDefinition',
`url=${chargeItem.definitionCanonical[0]}`
);
if (searchResult.length === 0) {
return chargeItem;
}
const chargeItemDefinition = searchResult[0];
const applyResult = await medplum.post(medplum.fhirUrl('ChargeItemDefinition', chargeItemDefinition.id, '$apply'), {
resourceType: 'Parameters',
parameter: [
{
name: 'chargeItem',
valueReference: createReference(chargeItem),
},
],
});
return applyResult as WithId<ChargeItem>;
}
export async function getChargeItemsForEncounter(
medplum: MedplumClient,
encounter: Encounter
): Promise<WithId<ChargeItem>[]> {
if (!encounter) {
return [];
}
const chargeItems = await medplum.searchResources('ChargeItem', `context=${getReferenceString(encounter)}`);
const updatedChargeItems = await Promise.all(
chargeItems.map((chargeItem) => applyChargeItemDefinition(medplum, chargeItem))
);
return updatedChargeItems;
}
export function calculateTotalPrice(items: ChargeItem[]): number {
return items.reduce((sum, item) => sum + (item.priceOverride?.value || 0), 0);
}
