app.js

require('dotenv').config()
const createError = require('http-errors')
const express = require('express')
const path = require('path')
const cookieParser = require('cookie-parser')
const logger = require('morgan')
const mongoose = require('mongoose')

// Session and Passport modules
const session = require('express-session')
const flash = require('connect-flash')
const passport = require('./config/passport-config') // passport module setup and initial load
const passportStrategySetup = require('./config/passport-local-strategy')
const config = require('./config/config')

const indexRouter = require('./routes/index')
const usersRouter = require('./routes/users')
const resultsRouter = require('./routes/results')
const passportRouter = require('./routes/passportRouter')

mongoose
  .connect(process.env.MONGOLAB_BLUE_URI, { useNewUrlParser: true })
  .then(x => {
    console.log(`Connected to Mongo! Database 360-project`)
  })
  .catch(err => {
    console.error('Error connecting to mongo', err)
  })

const app = express()

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

app.use((req, res, next) => {
  res.header('Access-Control-Allow-Origin', 'https://project-360.herokuapp.com')
  res.header('Access-Control-Allow-Methods', 'GET,PUT,POST,DELETE,OPTIONS')
  res.header('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept')
  next()
})
app.use(logger('dev'))
app.use(express.json())
app.use(express.urlencoded({ extended: false }))
app.use(cookieParser())
app.use(express.static(path.join(__dirname, 'public')))

app.use(session({
  secret: config.SESSION_KEY,
  resave: false,
  saveUninitialized: false
}))

// PASSPORT LINES MUST BE BELOW SESSION

// Auth Setup - how is the user being authenticated during login
passport.use(passportStrategySetup)

// Creates Passport's methods and properties on `req` for use in out routes
app.use(passport.initialize())

// Invokes / Sets Passport to manage user session
app.use(passport.session())

// allow our routes to use FLASH MESSAGES – feedback messages before redirects
// (flash messages need sessions to work)
app.use(flash())

// Router
app.use('/', indexRouter)
// app.use('/', usersRouter);
app.use('/', usersRouter)
app.use('/', resultsRouter)
app.use('/', passportRouter)

// Error handling
// 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