app.js

var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');

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

var app = express();

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

app.use(favicon(__dirname + '/public/favicon.ico'));
app.use(logger('dev'));

app.use(bodyParser.json());
// Handle any bodyParser errors
app.use(function(err, req, res, next) {
    if(err.message === 'invalid json' || err instanceof SyntaxError){
        switch(req.method) {
            case 'POST':
                var err = {
                    "verb" : "POST",
                    "url" : "api/objects/",
                    "message" : "Not a JSON object"
                };
                res.json(err);
                break;
            case 'PUT':
                var err = {
                    "verb" : "PUT",
                    "url" : "api/objects/<uid>",
                    "message" : "Not a JSON object"
                };
                res.json(err);
                break;
            default: break;
        }
    }else{
        next(err);
    }
});

app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

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

// 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;