app.js

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

//console.log(process.env.SECRET)

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

const mongoSanitize=require('express-mongo-sanitize')


const userRoutes=require('./routes/users')
const campgroundRoutes=require('./routes/campgrounds');
const reviewRoutes=require('./routes/reviews');

const MongoStore = require('connect-mongo');

const dbUrl=process.env.DB_URL||'mongodb://localhost:27017/yelp-camp';


mongoose.connect(dbUrl,{
    useNewUrlParser: true,
    //useCreateIndex: true,
    useUnifiedTopology: true,
    //useFindAndModify:false
});

const db=mongoose.connection;
db.on("error",console.error.bind(console,"connection error:"));
db.once("open",()=>{
    console.log("Database connected");
});

const app=express();

app.engine('ejs',ejsMate);
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.use(mongoSanitize());

const secret=process.env.SECRET||'thishouldbeabettersecret!';

const store=new MongoStore({
    mongoUrl: dbUrl,
    secret,
    touchAfter: 24*60*60
});

store.on("error",function(e){
    console.log("Session store error",e);
})

const sessionConfig={
    store,
    name:'session',
    secret,
    resave:false,
    saveUninitialized:true,
    cookie:{
        httpOnly:true,
        //secure:true,
        expires: Date.now()+1000*60*60*24*7,
        maxAge:1000*60*60*24*7
    }
}
app.use(session(sessionConfig));
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)=>{
    console.log(req.query);
    res.locals.currentUser=req.user;
    res.locals.success=req.flash('success');
    res.locals.error=req.flash('error');
    next();
})

app.use('/',userRoutes);
app.use('/campgrounds',campgroundRoutes)
app.use('/campgrounds/:id/reviews',reviewRoutes)

app.get('/',(req,res)=>{
    res.render('home');
})

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

app.use((err,req,res,next)=>{
    const {statusCode=500}=err;
    if(!err.message)err.message='Something Went wrong!!!';
    res.status(statusCode).render('error',{err});
})

const port=process.env.PORT||3000;
app.listen(port,()=>{
    console.log(`Serving on port ${port}`);
} )