app.js

const path = require('path')
const express = require('express')
const mongoose = require('mongoose')
const dotenv = require('dotenv')
const morgan = require('morgan')
const exphbs = require('express-handlebars')
const methodOverride = require('method-override')
const passport = require('passport')
const session = require('express-session')
const MongoStore = require('connect-mongo')(session)
const connectDB = require('./config/db')

// load config
dotenv.config({ path: './config/config.env' })

// Passport config
require('./config/passport')(passport)

connectDB()

const app = express()

// Body parser
app.use(express.urlencoded({ extended: true }))
app.use(express.json())

// Method ovverride
app.use(methodOverride(function (req, res) {
  if (req.body && typeof req.body === 'object' && '_method' in req.body) {
    // look in urlencoded POST bodies and delete it
    let method = req.body._method
    delete req.body._method
    return method
  }
}))

// Logging
if (process.env.NODE_ENV === 'development') {
  app.use(morgan('dev'))
}

// Handlebars Helpers
const {
  formatDate,
  stripTags,
  truncate,
  editIcon,
  select,
} = require('./helpers/hbs')

// Handlebars
app.engine(
  '.hbs',
  exphbs({
    helpers: {
      formatDate,
      stripTags,
      truncate,
      editIcon,
      select,
    },
    defaultLayout: 'main',
    extname: '.hbs',
  })
)
app.set('view engine', '.hbs')

// Sessions - put this above passport middleware
app.use(session({
  secret: 'keyboard cat',
  resave: false, // dont resave unless changes have been made
  saveUninitialized: false, // dont create a session until something is stored
  store: new MongoStore({ mongooseConnection: mongoose.connection }) // allows session to persist in db
}))

// Passport middleware
app.use(passport.initialize())
app.use(passport.session())

// Set global var
app.use(function (req, res, next) {
  res.locals.user = req.user || null
  next()
})

// Static folder
app.use(express.static(path.join(__dirname, 'public')))

// Routes
app.use('/', require('./routes/index'))
app.use('/auth', require('./routes/auth'))
app.use('/stories', require('./routes/stories'))

const PORT = process.env.PORT || 3000

app.listen(PORT, console.log(`Server running in ${process.env.NODE_ENV} mode on port ${PORT}`))