app.js

const express = require("express");
const exphbs = require("express-handlebars");
const mongoose = require("mongoose");
const bodyParser = require("body-parser");
const methodOverride = require("method-override");
const flash = require("connect-flash");
const session = require("express-session");
const passport = require("passport");

const app = express();

// Load routes
const articles = require('./routes/articles');
const users = require('./routes/users');

// Passport Config
require('./config/passport')(passport);

//Connect to Mongoose
mongoose
  .connect("mongodb://localhost/project", {
    useUnifiedTopology: true,
    useNewUrlParser: true,
  })
  .then(() => console.log("MongoDB connected."))
  .catch((err) => console.log(err));

//Handlebars Middleware
app.engine(
  "handlebars",
  exphbs({
    defaultLayout: "main",
    runtimeOptions: {
      allowProtoPropertiesByDefault: true,
      allowProtoMethodsByDefault: true,
    },
  })
);
app.set("view engine", "handlebars");

//Body parser Middleware
app.use(bodyParser.urlencoded({ extended: false }));
app.use(bodyParser.json());

//Method override Middleware
app.use(methodOverride("_method"));

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

// Passport Middleware
app.use(passport.initialize());
app.use(passport.session());

app.use(flash());

// Global variables
app.use(function (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");
  res.locals.user = req.user || null;
  next();
});

//Index Route
app.get("/", (req, res) => {
  res.render("index");
});

//About Route
app.get("/about", (req, res) => {
  res.render("about");
});

//Contact Route
app.get("/contact", (req, res) => {
  res.render("contact");
});

// Use routes
app.use('/articles', articles);
app.use('/users', users);


const port = 5000;

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