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 flash = require("connect-flash");
const passport = require("passport");
const LocalStrategy = require("passport-local");
const User = require("./models/user.js");

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

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

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

app.engine("ejs", ejsMate);

const sessionOptions = {
  secret: "mysupersecretcode",
  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());

async function main() {
  mongoose.connect("mongodb://127.0.0.1:27017/wanderlust");
}

main()
  .then(() => {
    console.log("connection to db sucessful");
  })
  .catch((err) => {
    console.log(err);
  });

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

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("error.ejs", { message });
});