app.js

var express = require("express"),
    app = express(),
    bodyParser = require("body-parser"),
    mongoose = require("mongoose"),
    passport = require("passport"),
    flash=require("connect-flash"),
    LocalStrategy = require("passport-local"),
    methodOverride = require("method-override"),
    User = require("./model/user");

mongoose.connect("mongodb://localhost/camp_data11",{useNewUrlParser:true});

var campgroundRoutes = require("./routes/campgrounds"),
    commentRoutes = require("./routes/comments"),
    authRoutes = require("./routes/index");

app.use(express.static(__dirname + '/public'));
app.use(bodyParser.urlencoded({extended: true}));
app.use(methodOverride("_method"));
app.use(flash());

//PASSPORT CONFIGURATION 
app.use(require("express-session")({
    secret:"Tony Stark has a heart",
    resave:false,
    saveUninitialized:false
}));
app.use(passport.initialize());
app.use(passport.session());
passport.use(new LocalStrategy(User.authenticate()));
passport.serializeUser(User.serializeUser());
passport.deserializeUser(User.deserializeUser());

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

app.use("/",authRoutes);
app.use("/campgrounds", campgroundRoutes);
app.use("/campgrounds/:id/comments", commentRoutes);

app.listen(3000,function(){
    console.log("Server started !!!");
})