app.js

var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var expressValidator = require("express-validator");
var cookieParser = require('cookie-parser');
var session = require("express-session");
var passport = require("passport");
var localStrategy = require("passport-local").Strategy;
var bodyParser = require('body-parser');
var multer = require("multer");
var upload = multer({ dest: './uploads' });
var flash = require("connect-flash");
var mongo = require("mongodb");
var mongoose = require("mongoose");
var mkdirp = require('mkdirp');
var rmdir = require('rmdir');
var fs = require("fs");
var db = mongoose.connection;

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

var app = express();

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

// 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 }));

// Handle express sessions
app.use(session({
	secret: secret.sessionSecret,
	saveUninitialized: true,
	resave: true
}));

// Passport
app.use(passport.initialize());
app.use(passport.session());

// Validator
app.use(expressValidator({
  errorFormatter: function(param, msg, value) {
      var namespace = param.split('.')
      , root    = namespace.shift()
      , formParam = root;

    while(namespace.length) {
      formParam += '[' + namespace.shift() + ']';
    }
    return {
      param : formParam,
      msg   : msg,
      value : value
    };
  }
}));

app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

app.use(flash());
app.use(require('connect-flash')());
app.use(function (req, res, next) {
  res.locals.messages = require('express-messages')(req, res);
  next();
});

app.get('*', function(req,res,next){
  res.locals.user = req.user || null;
  next();
});


app.use('/', index);
app.use('/users', users); 
app.use('/admin', admin);

// 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 handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;