Medplum

// SPDX-FileCopyrightText: Copyright Orangebot, Inc. and Medplum contributors // SPDX-License-Identifier: Apache-2.0 import { badRequest, concatUrls, redirect } from '@medplum/core'; import type { FhirRequest, FhirResponse } from '@medplum/fhir-router'; import type { ClientApplication, OperationDefinition, SmartAppLaunch } from '@medplum/fhirtypes'; import { getConfig } from '../../config/loader'; import { getAuthenticatedContext } from '../../context'; import { getSystemRepo } from '../repo'; import { parseInputParameters } from './utils/parameters'; const operation: OperationDefinition = { resourceType: 'OperationDefinition', name: 'clientapplication-smart-launch', status: 'active', kind: 'operation', code: 'smart-launch', experimental: true, resource: ['ClientApplication'], system: false, type: false, instance: true, parameter: [ { use: 'in', name: 'patient', type: 'uuid', min: 0, max: '1' }, { use: 'in', name: 'encounter', type: 'uuid', min: 0, max: '1' }, ], }; type LaunchOperationParameters = { patient?: string; encounter?: string; }; export async function appLaunchHandler(req: FhirRequest): Promise<FhirResponse> { if (!req.params.id) { return [badRequest('ClientApplication to launch must be specified')]; } const params = parseInputParameters<LaunchOperationParameters>(operation, req); const clientApp = await getSystemRepo().readResource<ClientApplication>('ClientApplication', req.params.id); if (!clientApp.launchUri) { return [badRequest('ClientApplication not configured for launch')]; } if (params.patient && params.encounter) { return [badRequest('Only one launch context can be specified')]; } const launch = await getAuthenticatedContext().repo.createResource<SmartAppLaunch>({ resourceType: 'SmartAppLaunch', patient: params.patient ? { reference: `Patient/${params.patient}` } : undefined, encounter: params.encounter ? { reference: `Encounter/${params.encounter}` } : undefined, }); const url = new URL(clientApp.launchUri); url.searchParams.set('iss', concatUrls(getConfig().baseUrl, 'fhir/R4/')); url.searchParams.set('launch', launch.id); return [redirect(url)]; }