gistfile1.txt

(function() {
    var Promise = require('bluebird');
    var mongoose  = require('mongoose');

    var uristring =
        process.env.MONGODB_URI ||
        'mongodb://localhost/HelloMongoose';
    var theport = process.env.PORT || 5000;

    mongoose.connect(uristring, function (err, res) {
        if (err) {
            console.log ('ERROR connecting to: ' + uristring + '. ' + err);
        } else {
            console.log ('Succeeded connected to: ' + uristring);
        }
    });

    var Schema = mongoose.Schema;

    var userSchema = new Schema({
        user: String,
        username: String,
        password: String,
        name : String,
        role: String

    });
    var Users = mongoose.model('Users', userSchema);


    var user = {
        getUserByUsername: function(username) {

            Users.find({}).exec(function (error, users) {
                callback(users);

            });

            function callback(users) {
                console.log(users);
                for(var i= 0; i < users.length; i++) {
                    // console.log(users[i].username);

                    if(users[i].username === username) {
                        console.log(true);
                        return users[i];
                    }
                }
            }

         
        }
    };
    this.user = user;
}());