Simple Chat Room in NodeJS, expressJS and mongoDB in Docker Swarm
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5 years ago
'use strict';
const MongoError = require('../core').MongoError;
const OperationBase = require('./operation').OperationBase;
const insertDocuments = require('./common_functions').insertDocuments;
class InsertOneOperation extends OperationBase {
constructor(collection, doc, options) {
super(options);
this.collection = collection;
this.doc = doc;
}
execute(callback) {
const coll = this.collection;
const doc = this.doc;
const options = this.options;
if (Array.isArray(doc)) {
return callback(
MongoError.create({ message: 'doc parameter must be an object', driver: true })
);
}
insertDocuments(coll, [doc], options, (err, r) => {
if (callback == null) return;
if (err && callback) return callback(err);
// Workaround for pre 2.6 servers
if (r == null) return callback(null, { result: { ok: 1 } });
// Add values to top level to ensure crud spec compatibility
r.insertedCount = r.result.n;
r.insertedId = doc._id;
if (callback) callback(null, r);
});
}
}
module.exports = InsertOneOperation;