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 deleteCallback = require('./common_functions').deleteCallback;
const removeDocuments = require('./common_functions').removeDocuments;
class DeleteOneOperation extends OperationBase {
constructor(collection, filter, options) {
super(options);
this.collection = collection;
this.filter = filter;
}
execute(callback) {
const coll = this.collection;
const filter = this.filter;
const options = this.options;
options.single = true;
removeDocuments(coll, filter, options, (err, r) => deleteCallback(err, r, callback));
}
}
module.exports = DeleteOneOperation;