app.js

/*
app.js
import server files
import modules
open connection to our db (tunez)
*/
//middleware/routing [server side MVC framework for node]
var express = require('express');
//for path manipulation
var path = require('path');
var favicon = require('serve-favicon');
//http request logging middle
var logger = require('morgan');
var cookieParser = require('cookie-parser');
//express middleware, parses text makes it easier to work with
var bodyParser = require('body-parser');
var mongoose = require('mongoose');
//the mongoose Models
require('./models/Songs'); //Our song posts model
require('./models/Comments'); //Our song posts model

mongoose.connect('mongodb://localhost/tunez');


var routes = require('./routes/index');
var users = require('./routes/users');

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');

// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({
    extended: false
}));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

app.use('/', routes);
app.use('/users', users);

// catch 404 and forward to error handler
app.use(function (req, res, next) {
    var err = new Error('Not Found');
    err.status = 404;
    next(err);
});

// error handlers

// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
    app.use(function (err, req, res, next) {
        res.status(err.status || 500);
        res.render('error', {
            message: err.message,
            error: err
        });
    });
}

// production error handler
// no stacktraces leaked to user
app.use(function (err, req, res, next) {
    res.status(err.status || 500);
    res.render('error', {
        message: err.message,
        error: {}
    });
});


module.exports = app;