app.js

const express = require("express"); //handles routing, handling requests and views
const expressLayouts = require("express-ejs-layouts");
const mongoose = require("mongoose"); //for modelling, used with mongoDB to provide backend for Nodejs app
const flash = require("connect-flash");
const session = require("express-session");
const passport = require("passport");
const path = require("path");
require("dotenv").config();

const app = express();

//passport configuration
require("./config/passport")(passport);

//Database configuration
const db = require("./config/key").MongoURI;

// Connect to Mongo
mongoose
  .connect(db, { useUnifiedTopology: true, useNewUrlParser: true })
  .then(() => console.log("MongoDB is still connected"))
  .catch(err => console.log(err));

/*app.use(express.static("public"));*/

//EJS
app.use(expressLayouts);
app.set("view engine", "ejs");

app.use(express.static("public"));

app.get("/", (req, res) => {
  res.sendFile(path.resolve(__dirname, "public", "index.html"));
});

/*
app.get("/", function (req, res){
  res.sendFile(__dirname + "/index.html");
})
*/

//add bodyparser
app.use(express.urlencoded({ extended: false }));

// Express session middleware (gotten from github express session readme page)
app.use(
  session({
    secret: "secret",
    resave: false,
    saveUninitialized: true
  })
);

//PassportJS middleware
app.use(passport.initialize());
app.use(passport.session());

// Connect flash messaging
app.use(flash());

//Global Variables
app.use((req, res, next) => {
  res.locals.success_msg = req.flash("success_msg");
  res.locals.error_msg = req.flash("error_msg");
  res.locals.error = req.flash("error");
  next();
});

//Routes
app.use("/", require("./routes/front"));
app.use("/users", require("./routes/users"));

const PORT = process.env.PORT || 5500;

app.listen(PORT, console.log(`Server has started on port ${PORT}`));