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 session = require('express-session');

var app = express();

var user = require('./routes');

// 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 }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use(session({
  secret: 'cat'
}));

var passport = require('passport');
var GoogleStrategy = require('passport-google-oauth').OAuth2Strategy;

passport.use(new GoogleStrategy({
    
  },
  function(accessToken, refreshToken, profile, done) {
    return done(null, profile)
  }
));

passport.serializeUser(function(user, done) {
  console.log(user)
  done(null, user);
});

passport.deserializeUser(function(obj, done) {
  done(null, obj);
});

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

app.get('/auth/google', passport.authenticate('google', { scope: 'https://www.googleapis.com/auth/plus.login' }));
app.get('/auth/google/callback', passport.authenticate('google', { failureRedirect: '/', successRedirect: '/user' }));

app.use(user);

// 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;