app.js

const express=require("express");
const app=express();
const mongoose=require("mongoose");
let port=8080;
const path=require("path");
const methodOverride=require("method-override");
const ejsMate=require("ejs-mate");
const wrapAsync=require("./utils/wrapAsync.js");
const ExpressError=require("./utils/expressError.js");
const listingRouter=require("./routes/listing.js");
const reviewRouter=require("./routes/review.js");
const userRouter=require("./routes/user.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 sessionOptions={
    secret:"secret",
    resave:false,
    saveUninitialized:true,
    cookie:{
        expires: Date.now()+7*24*60*60*1000,
        maxAge: 7*24*60*60*1000,
        httpOnly:true
    }
}

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")));
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();
})
main()
    .then(() =>{
        console.log("DB connected");
    })
    .catch((err) =>{
        console.log(err);
    })
async function main(){
    mongoose.connect('mongodb://127.0.0.1:27017/airbnb');
}


app.listen(port,() =>{
    console.log(`App is listening on ${port}`);
})
app.get("/",wrapAsync((req,res) =>{
    res.send("Root");
}));

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{status=500,message="Something went wrong!"}=err;
    res.status(status).render("error.ejs",{message});
})