app.js

var express = require('express'),
    app = express(),
    bodyParser = require('body-parser'),
    mongoose = require("mongoose"),
    flash = require("connect-flash"),
    passport = require("passport"),
    LocalStrategy = require("passport-local"),
    methodOverride = require("method-override"),
    Campground = require("./models/campground"),
    Comment = require("./models/comment"),
    User = require("./models/user");

    // var seedDB = require("./seeds");

require('dotenv').config();



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

var databaseurl = process.env.DATABASEURL || 'mongodb://localhost/yelp_camp_v12';
mongoose.connect(databaseurl, { useNewUrlParser: true });

// Stops deprecation warning about collection.findAndModify
mongoose.set('useFindAndModify', false);

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

// PASSPORT CONFIGURATION
app.use(require("express-session")({
  secret: "Once again Rusty wins cutest dog!",
  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();
});

// Require routes
app.use(indexRoutes);
app.use("/campgrounds", campgroundRoutes);
app.use("/campgrounds/:id/comments", commentRoutes);

// app.listen(process.env.PORT, process.env.IP, function(){
//   console.log("The YelpCamp Server Has Started!");	
// });

var listener = app.listen(process.env.PORT, process.env.IP, function(){
  var address = listener.address().address;
  var port = listener.address().port;

  console.log('YelpCamp server listening on : ' + address + ':' + port);
});