openmct/platform/persistence/src/CouchDocument.js
Victor Woeltjen 4646896ac8 [Persistence] Separate out CouchDocument
Separate CouchDocument (used to wrap a domain object model
with metadata suitable for persistence to CouchDB) into
its own script, to simplify testing and maintenance.
Ongoing transition of Couch persistence, WTD-537.
2014-12-02 17:19:30 -08:00

41 lines
1.4 KiB
JavaScript

/*global define*/
define(
[],
function () {
"use strict";
/**
* A CouchDocument describes domain object model in a format
* which is easily read-written to CouchDB. This includes
* Couch's _id and _rev fields, as well as a sseparate
* metadata field which contains a subset of information found
* in the model itself (to support search optimization with
* CouchDB views.)
* @constructor
* @param {string} id the id under which to store this mode
* @param {object} model the model to store
* @param {string} rev the revision to include (or undefined,
* if no revision should be noted for couch)
* @param {boolean} whether or not to mark this documnet as
* deleted (see CouchDB docs for _deleted)
*/
function CouchDocument(id, model, rev, markDeleted) {
return {
"_id": id,
"_rev": rev,
"_deleted": markDeleted,
"metadata": {
"category": "domain object",
"type": model.type,
"owner": "admin",
"name": model.name,
"created": Date.now()
},
"model": model
};
}
return CouchDocument;
}
);