Medplum

// SPDX-FileCopyrightText: Copyright Orangebot, Inc. and Medplum contributors // SPDX-License-Identifier: Apache-2.0 import type { Resource } from '@medplum/fhirtypes'; /** * Sorts an array of resources in place by meta.lastUpdated ascending. * @param resources - Array of resources. * @param timelineResource - Optional primary resource of a timeline view. If specified, the primary resource will be sorted by meta.lastUpdated descending. */ export function sortByDateAndPriority(resources: Resource[], timelineResource?: Resource): void { resources.sort((a: Resource, b: Resource): number => { const priority1 = getPriorityScore(a, timelineResource); const priority2 = getPriorityScore(b, timelineResource); if (priority1 > priority2) { return 1; } if (priority1 < priority2) { return -1; } return getTime(a, timelineResource) - getTime(b, timelineResource); }); } function getPriorityScore(resource: Resource, timelineResource: Resource | undefined): number { if (!isSameResourceType(resource, timelineResource)) { // Only use priority if not the primary resource of a timeline view. const priority = (resource as any).priority; if (typeof priority === 'string') { return { stat: 4, asap: 3, urgent: 2 }[priority] ?? 0; } } return 0; } function getTime(resource: Resource, timelineResource: Resource | undefined): number { if (!isSameResourceType(resource, timelineResource)) { // Only use special case timestamps if not the primary resource of a timeline view. if (resource.resourceType === 'Communication' && resource.sent) { return new Date(resource.sent).getTime(); } if ( (resource.resourceType === 'DiagnosticReport' || resource.resourceType === 'Media' || resource.resourceType === 'Observation') && resource.issued ) { return new Date(resource.issued).getTime(); } if (resource.resourceType === 'DocumentReference' && resource.date) { return new Date(resource.date).getTime(); } } const dateTime = resource.meta?.lastUpdated; if (!dateTime) { return 0; } return new Date(dateTime).getTime(); } function isSameResourceType(a: Resource, b: Resource | undefined): boolean { return !!b && a.resourceType === b.resourceType && a.id === b.id; }