app.js

var createError = require('http-errors');
var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
var session = require('express-session');
var SequelizeStore = require('connect-session-sequelize')(session.Store);
var partials = require('express-partials');
var flash = require('express-flash');
var methodOverride = require('method-override');
var cors = require('cors');
require('dotenv').config();

const passport = require('passport');

var gobackRouter = require('./routes/goback');
var loginRouter = require('./routes/login');
var apiRouter = require('./routes/api');
var htmlRouter = require('./routes/index');
var usersRouter = require('./routes/users');
var quizzesRouter = require('./routes/quizzes');

var app = express();

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

app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());

// Configuracion de la session para almacenarla en BBDD usando Sequelize.
var sequelize = require("./models");
var sessionStore = new SequelizeStore({
  db: sequelize,
  table: "Session",
  checkExpirationInterval: 15 * 60 * 1000, // The interval at which to cleanup expired sessions in milliseconds. (15 minutes)
  expiration: 4 * 60 * 60 * 1000  // The maximum age (in milliseconds) of a valid session. (4 hours)
});
app.use(session({
  secret: "Quiz 2020",
  store: sessionStore,
  resave: false,
  saveUninitialized: true
}));

app.use(methodOverride('_method', {methods: ["POST", "GET"]}));
app.use(express.static(path.join(__dirname, 'public')));
app.use(partials());
app.use(flash());


app.use(passport.initialize( {
  userProperty: 'loginUser' // defaults to 'user' if omitted
}));
app.use(passport.session());


// Control de Acceso HTTP (CORS)
app.use(cors());


// Dynamic Helper:
app.use(function(req, res, next) {

  // To use req.loginUser in the views
  res.locals.loginUser = req.loginUser && {
    id: req.loginUser.id,
    displayName: req.loginUser.displayName,
    isAdmin: req.loginUser.isAdmin
  };

  // To use req.url in the views
  res.locals.url = req.url;

  next();
});

// Routes mounted at '/api'.
app.use('/api', apiRouter);

// Routes mounted at '/'. (no starting with /api/)
app.use(/^(?!\/api\/)/, gobackRouter);
app.use(/^(?!\/api\/)/, loginRouter);
app.use(/^(?!\/api\/)/, htmlRouter);

// User routes
app.use('/users', usersRouter);
app.use('/quizzes', quizzesRouter);


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

// 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;