@fontoxml/fontoxml-development-tools/src/modules/editor/dev-cms/connectors-cms-standard/configureDocumentHistoryGetRouteHandler.js

Development tools for Fonto.

import asyncRouteWithLockCleanupHandler from '../asyncRouteWithLockCleanupHandler.js';
import correlationIdRepository from './correlationIdRepository.js';

/** @typedef {import('../../src/getAppConfig.js').DevCmsConfig} DevCmsConfig */

/**
 * @param {DevCmsConfig} _config
 */
function configureDocumentHistoryGetRouteHandler(_config) {
	return asyncRouteWithLockCleanupHandler(async (acquireLock, req, res) => {
		const documentId = req.query.documentId;
		// Because these requests do not originate from the editor, but from an other server, we
		// have no edit session token.  We do, however, have an correlationId which we may resolve
		// to the editSessionToken used by the corresponding call to the proxy
		const editSessionToken =
			correlationIdRepository.getEditSessionTokenForRequest(req);

		const fileLock = await acquireLock(documentId);
		const revisionsAndLatestContent =
			await req.cms.getRevisionsAndLatestContent(
				documentId,
				editSessionToken,
				fileLock,
			);
		fileLock.release();

		if (!revisionsAndLatestContent) {
			res.status(404).end();
			return;
		}

		const revisions = revisionsAndLatestContent.revisions;
		const newestRevision = revisions[0];
		const newestRevisionIsWorkingCopy =
			!!newestRevision && newestRevision._editSessionToken === editSessionToken;

		res
			.status(200)
			.set('content-type', 'application/json; charset=utf-8')
			.json({
				newestRevisionIsWorkingCopy,
				revisions: revisions.map((revision) => {
					return {
						id: revision.id,
						author: revision.author,
						lastModifiedTimestamp: revision.lastModifiedTimestamp,
					};
				}),
			});
	});
}

export default configureDocumentHistoryGetRouteHandler;