Simple Chat Room in NodeJS, expressJS and mongoDB in Docker Swarm
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4 years ago
'use strict';
const OperationBase = require('./operation').OperationBase;
const BulkWriteOperation = require('./bulk_write');
const MongoError = require('../core').MongoError;
const prepareDocs = require('./common_functions').prepareDocs;
class InsertManyOperation extends OperationBase {
constructor(collection, docs, options) {
super(options);
this.collection = collection;
this.docs = docs;
}
execute(callback) {
const coll = this.collection;
let docs = this.docs;
const options = this.options;
if (!Array.isArray(docs)) {
return callback(
MongoError.create({ message: 'docs parameter must be an array of documents', driver: true })
);
}
// If keep going set unordered
options['serializeFunctions'] = options['serializeFunctions'] || coll.s.serializeFunctions;
docs = prepareDocs(coll, docs, options);
// Generate the bulk write operations
const operations = [
{
insertMany: docs
}
];
const bulkWriteOperation = new BulkWriteOperation(coll, operations, options);
bulkWriteOperation.execute((err, result) => {
if (err) return callback(err, null);
callback(null, mapInsertManyResults(docs, result));
});
}
}
function mapInsertManyResults(docs, r) {
const finalResult = {
result: { ok: 1, n: r.insertedCount },
ops: docs,
insertedCount: r.insertedCount,
insertedIds: r.insertedIds
};
if (r.getLastOp()) {
finalResult.result.opTime = r.getLastOp();
}
return finalResult;
}
module.exports = InsertManyOperation;