app.js

require('dotenv').config()

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

mongoose.connect(process.env.MONGODB_URL,
{
  useNewUrlParser: true, 
  useUnifiedTopology: true,

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

// PASSPORT CONFIGURATION
app.use(require("express-session")({
    secret: process.env.SECRET,
    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(async function(req, res, next){
   res.locals.currentUser = req.user;
   if(req.user) {
    try {
      let user = await User.findById(req.user._id).populate('notifications', null, { isRead: false }).exec();
      res.locals.notifications = user.notifications.reverse();
    } catch(err) {
      console.log(err.message);
    }
   }
   res.locals.error = req.flash("error");
   res.locals.success = req.flash("success");
   next();
});


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

// app.listen(3000,function(){
// 	console.log("connected");
// })



app.listen(process.env.PORT, process.env.IP, function(){
   console.log("rg_running");
});

// app.listen(3000)