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'use strict';
const OperationBase = require('./operation').OperationBase;
const updateDocuments = require('./common_functions').updateDocuments;
const hasAtomicOperators = require('../utils').hasAtomicOperators;
class ReplaceOneOperation extends OperationBase {
constructor(collection, filter, replacement, options) {
super(options);
if (hasAtomicOperators(replacement)) {
throw new TypeError('Replacement document must not contain atomic operators');
}
this.collection = collection;
this.filter = filter;
this.replacement = replacement;
}
execute(callback) {
const coll = this.collection;
const filter = this.filter;
const replacement = this.replacement;
const options = this.options;
// Set single document update
options.multi = false;
// Execute update
updateDocuments(coll, filter, replacement, options, (err, r) =>
replaceCallback(err, r, replacement, callback)
);
}
}
function replaceCallback(err, r, doc, callback) {
if (callback == null) return;
if (err && callback) return callback(err);
if (r == null) return callback(null, { result: { ok: 1 } });
r.modifiedCount = r.result.nModified != null ? r.result.nModified : r.result.n;
r.upsertedId =
Array.isArray(r.result.upserted) && r.result.upserted.length > 0
? r.result.upserted[0] // FIXME(major): should be `r.result.upserted[0]._id`
: null;
r.upsertedCount =
Array.isArray(r.result.upserted) && r.result.upserted.length ? r.result.upserted.length : 0;
r.matchedCount =
Array.isArray(r.result.upserted) && r.result.upserted.length > 0 ? 0 : r.result.n;
r.ops = [doc]; // TODO: Should we still have this?
if (callback) callback(null, r);
}
module.exports = ReplaceOneOperation;