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 listingRouter = require("./routes/listing.js");
const reviewRouter = require("./routes/review.js");
const userRouter = require("./routes/user.js");

const MONGO_URL = process.env.ATLASDB_URL;

async function main() {
    await mongoose.connect(MONGO_URL, {
        useNewUrlParser: true,
        useUnifiedTopology: true,
    });
    console.log("Connected to DB");
}

main().catch(err => console.log("DB connection error:", err));



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

// Session configuration
const sessionStore = MongoStore.create({
    mongoUrl: MONGO_URL, // Correct property name
    crypto: {
        secret: process.env.SECRET
    },
    touchAfter: 24 * 3600 // Duration in seconds
});

sessionStore.on("error", function(e) {
    console.log("SESSION STORE ERROR", e);
});

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

// app.get("/", (req, res) => {
//     res.send("Hii THis is Root");
// });

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", listingRouter);
app.use("/listings/:id/reviews", reviewRouter);
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("listings/error.ejs", { message });
});

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