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 expressSession = require('express-session');
var request = require('request');

/*routes*/
var routes = require('./routes/index');
var users = require('./routes/users');
/*ajax API*/
var api = require('./routes/api');


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(__dirname + '/public/favicon.ico'));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(expressSession({
    secret: 'lxg'
    , saveUninitialized: true
    , resave: true
    ,cookie : {
        maxAge : 3600000
    }
}));
app.use(express.static(path.join(__dirname, 'public')));

//Make our bd accessible to our router
app.use(function(req,res,next){
    req.request = request;
	next();
})

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

// Session-persisted message middleware

app.use(function(req, res, next){
    var err = req.session.error,
        msg = req.session.notice,
        success = req.session.success;

    delete req.session.error;
    delete req.session.success;
    delete req.session.notice;

    if (err) res.locals.error = err;
    if (msg) res.locals.notice = msg;
    if (success) res.locals.success = success;

    next();
});

// 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;