app.js

// app.js

// set up ======================================================================
// get all the tools we need
var express  = require('express');
var app      = express();
var mongoose = require('mongoose');
var passport = require('passport');
var flash    = require('connect-flash');

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

// configuration ===============================================================
mongoose.connect(process.env.DB_URL); // connect to our database

require('./config/passport')(passport); // pass passport for configuration

// set up our express application
app.use(favicon(__dirname + '/public/favicon.ico'));
app.use(morgan('dev')); // log every request to the console
app.use(cookieParser()); // read cookies (needed for auth)
app.use(bodyParser.json()); // get information from html forms
app.use(bodyParser.urlencoded({ extended: true }));

app.set('view engine', 'ejs'); // set up ejs for templating

// required for passport
app.use(session({
    key: 'session',
    secret: process.env.SESSION_SECRET,
    store: require('mongoose-session')(mongoose)
}));
app.use(passport.initialize());
app.use(passport.session()); // persistent login sessions
app.use(flash()); // use connect-flash for flash messages stored in session

// routes ======================================================================
require('./app/routes.js')(app, passport); // load our routes and pass in our app and fully configured passport

// APIs ========================================================================
app.use("/user", require('./app/api/user'));

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

// errors ======================================================================
// 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;