app.js

const express = require('express')
const path = require('path');//used for connect html in express
const favicon = require('serve-favicon'); //used for fav.ico
const exphbs = require('express-handlebars');
const bodyParser = require('body-parser');
const fileUpload = require('express-fileupload');
const session = require('express-session')

const localStrategy = require("passport-local")
const passport = require("passport")
const dotenv = require("dotenv")
const User = require('./models/User');

// const fs = require('fs')
const morgan = require('morgan')

const methodOverride = require('method-override')
const generateDate = require('./helpers/generateDate').generateDate;
const limiter = require("./helpers/limitGetPost").limit
const truncate = require("./helpers/limitGetText").truncate
const paginate = require("./helpers/paginate").paginate
const connect2db = require('./helpers/database/connect2mongo');

dotenv.config({
    path: "./config/env/config.env"
})

const routes = require("./routes/index-route");

const app = express()
const port = process.env.PORT || 80

app.use(methodOverride('_method'))

//file up
app.use(fileUpload())

const hbs = exphbs.create({
    helpers: {
        generateDate: generateDate,
        limiter: limiter,
        truncate: truncate,
        paginate: paginate
    },
})


app.use(express.static("public"))
app.engine('handlebars', hbs.engine);
app.set('view engine', 'handlebars');
app.use(favicon(path.join(__dirname, "./public/favicon.ico")))

//MORGAN LOGGER
app.use(morgan('tiny'))

// var accessLogStream = fs.createWriteStream(path.join(__dirname, 'access.log'), { flags: 'a' })
// app.use(morgan('dev', { stream: accessLogStream }))



// parse application/x-www-form-urlencoded
app.use(bodyParser.urlencoded({ extended: true }))
// parse application/json
app.use(bodyParser.json())

//Connect mongoose
connect2db()


app.use(require("express-session")({
    secret: " secret word",
    resave: false,
    saveUninitialized: false
}))

app.use(passport.initialize())
app.use(passport.session())
passport.use(new localStrategy(User.authenticate(), function (username, password, done) {
    User.findOne(
        { username: username }, function (err, user) {
            if (err) { return done(err); }
            if (!user) {
                return done(null, false, { message: 'Incorrect username.' });
                console.log(message);
            }
            if (!user.validPassword(password)) {
                return done(null, false, { message: 'Incorrect password.' });
                console.log(message);
            }
            return done(null, user);

        })
}))

passport.serializeUser(User.serializeUser())
passport.deserializeUser(User.deserializeUser())

//share current user info within all routes
app.use((req, res, next) => {

    if (req.user) {
        res.locals.currentUser = req.user.username;
        res.locals.currentUserId = req.user._id;
        // console.log(currentUserId);
        // console.log(res.locals.currentUserId);
    }
    next()
})

//ROUTES
app.use("/", routes)


app.listen(port, () => {
    console.log(`Blog app listening at \x1b[31mhttp://localhost:${port}\x1b[0m`)
})