const res = require('express/lib/response');
const { MongoClient, ObjectId } = require('mongodb');

function UserDB() {
    MongoClient.connect('mongodb://localhost:7017', function (err, conn) {
        if (err) throw err;
        db = conn.db("mydb");
    });
}

UserDB.prototype = {

    findById: (req, callback) => {
    
        const collection = db.collection('mycollection');

        let oid = new ObjectId(req.params.myid);

        collection
            .find({ _id: oid })
            .toArray(function (err, response) {
                if (err) throw err;
                console.log(response);
                callback(response);
            });
    };
  
}

module.exports = new UserDB();