server.js

var express = require('express');
var path = require('path');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var session = require('express-session');
var dotenv = require("dotenv");
var passport = require('passport');
var Auth0Strategy = require('passport-auth0');
var flash = require('connect-flash');
var exphbs = require("express-handlebars");
var db = require("./models");

dotenv.load();

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

var PORT = process.env.PORT || 3000;
var syncOptions = { force: false };
console.log(process.env.AUTH0_ID);
// This will configure Passport to use Auth0
var strategy = new Auth0Strategy(
  {
    domain: process.env.AUTH0_DOMAIN,
    clientID: process.env.AUTH0_ID,
    clientSecret: process.env.AUTH0_CLIENT_SECRET,
    callbackURL: process.env.AUTH0_CALLBACK_URL || 'http://localhost:3000/callback' || 'https://sleepy-sierra-59381.herokuapp.com/callback'
  },
  function(accessToken, refreshToken, extraParams, profile, done) {
    // accessToken is the token to call Auth0 API (not needed in the most cases)
    // extraParams.id_token has the JSON Web Token
    // profile has all the information from the user
    return done(null, profile);
  }
);


passport.use(strategy);

// you can use this section to keep a smaller payload
passport.serializeUser(function(user, done) {
  done(null, user);
});

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

const app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
// Handlebars
app.engine(
  "handlebars",
  exphbs({
    defaultLayout: "main"
  })
);
app.set("view engine", "handlebars");

// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));



app.use(bodyParser.urlencoded({ extended: true }));
app.use(bodyParser.json());
app.use(cookieParser());
app.use(
  session({
    secret: 'shhhhhhhhh',
    resave: true,
    saveUninitialized: true
  })
);
app.use(passport.initialize());
app.use(passport.session());
app.use(express.static(path.join(__dirname, 'public')));

app.use(flash());

// Handle auth failure error messages
app.use(function(req, res, next) {
 if (req && req.query && req.query.error) {
   req.flash("error", req.query.error);
 }
 if (req && req.query && req.query.error_description) {
   req.flash("error_description", req.query.error_description);
 }
 next();
});

// Check logged in
app.use(function(req, res, next) {
  res.locals.loggedIn = false;
  if (req.session.passport && typeof req.session.passport.user != 'undefined') {
    res.locals.loggedIn = true;
  }
  next();
});

app.use('/', routes);
app.use('/user', user);
// Routes
require("./routes/apiRoutes")(app);
require("./routes/htmlRoutes")(app);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  const 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: {}
  });
});


db.sequelize.sync(syncOptions).then(function() {
  app.listen(PORT, function() {
    console.log(
      "==> 🌎  Listening on port %s. Visit http://localhost:%s/ in your browser.",
      PORT,
      PORT
    );
  });
});

module.exports = app;