index.js

var express = require("express");
var exphbs = require("express-handlebars");
var mongoose = require("mongoose");
var bodyParser = require("body-parser");
var session = require("express-session");
var passport = require("passport");
var morgan = require("morgan");
var flash = require("connect-flash");
var cookieParser = require("cookie-parser");

var configDB = require("./config/database");

var app = express();
var port = process.env.PORT || 8080;

// sessions
app.use(
  session({ secret: "sljdfhalsdkfj", saveUninitialized: true, resave: true })
);

var hbs = exphbs.create({
  helpers: {
    groupeach: function(every, context, options) {
      var out = "", subcontext = [], i;
      if (context && context.length > 0) {
        for (i = 0; i < context.length; i++) {
          if (i > 0 && i % every === 0) {
            out += options.fn(subcontext);
            subcontext = [];
          }
          subcontext.push(context[i]);
        }
        out += options.fn(subcontext);
      }
      return out;
    }
  },
  defaultLayout: "main"
});

// app config
app.engine("handlebars", hbs.engine);
app.set("view engine", "handlebars");
app.use(express.static("public"));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));
app.use(morgan("dev"));
app.use(passport.initialize());
app.use(passport.session());
app.use(cookieParser());
app.use(flash());

// template can get if authenticated
app.use((req, res, next) => {
  res.locals.authenticated = req.isAuthenticated();

  if (req.isAuthenticated) res.locals.user = req.user;

  next();
});

// connect to db
mongoose.Promise = global.Promise;
mongoose.connect(configDB.url);

// passport config baby!!
require("./config/passport")(passport);

// load those routes baby
require("./app/routes.js")(app, passport);

app.listen(port, function() {
  console.log("watching port", port);
});