app.js

if(process.env.NODE_ENV != "production") {
  require("dotenv").config();
}

const express = require("express");
const app = express();
const mongoose = require("mongoose");
const path = require("path");
const methodOverride = require("method-override");
const ejsMate = require("ejs-mate");
const ExpressError = require("./utils/ExpressError.js");
const session = require("express-session")
const MongoStore = require('connect-mongo');
const flash = require("connect-flash")
const passport = require("passport")
const LocalStrategy = require("passport-local")
const User = require("./models/user.js")

const listingsRouter = require("./routes/listing.js");
const reviewsRouter = require("./routes/review.js");
const userRouter = require("./routes/user.js")

// const MONGO_URL = "mongodb://127.0.0.1:27017/wanderlust";
const dbUrl = process.env.ATLASDB_URL;

async function main() {
  await mongoose.connect(dbUrl);
}

main()
  .then(() => {
    console.log("Connected to the Database");
  })
  .catch((err) => {
    console.log(err);
  });

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

app.use(express.urlencoded({ extended: true }));
app.use(methodOverride('_method'));
app.engine('ejs', ejsMate);
app.use(express.static(path.join(__dirname, "/public")));

const store = MongoStore.create({
  mongoUrl: dbUrl,
  crypto: {
    secret: process.env.SECRET
  },
  touchAfter: 24 * 3600,
})

store.on("error", () => {
  console.log("ERROR IN MONGO SESSION STORE", err);
})

const sessionOptions = {
  store,
  secret: process.env.SECRET,
  resave: false,
  saveUninitialized: true,
  cookie: {
    expires: Date.now() + 7 * 24 * 60 * 60 * 1000,
    maxAge: 7 * 24 * 60 * 60 * 1000,
    httpOnly: true,
  }
};


app.use(session(sessionOptions));
app.use(flash());

app.use(passport.initialize());
app.use(passport.session());
passport.use(new LocalStrategy(User.authenticate()));

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

app.use((req, res, next) => {
  res.locals.success = req.flash("success")
  res.locals.error = req.flash("error")
  res.locals.currUser = req.user;
  next()
});

app.use("/listings", listingsRouter);
app.use("/listings/:id/reviews", reviewsRouter);
app.use("/", userRouter);

app.all('*', (req, res, next) => {
  next(new ExpressError(404, "Page Not Found!"));
});

app.use((err, req, res, next) => {
  let { statusCode = 500, message = "Something went wrong!" } = err;
  res.status(statusCode).render("error.ejs", { message });
});

app.listen(8080, () => {
  console.log("Server is started on port 8080");
});