app.js

// dotenv
require("dotenv").config();

// Plugins
const path = require("path");
const express = require("express");
const bodyParser = require("body-parser");
const mongoose = require("mongoose");
const session = require("express-session");
const MongoStore = require("connect-mongo");
const flash = require("connect-flash");
const csrf = require("csurf");
const { CronJob } = require("cron");

const errorController = require("./controllers/error");

// database things
const uri = process.env.URI;
const port = +process.env.PORT;
const base = process.env.BASE;

// Config app middlewares
const app = express();

const store = MongoStore.create({
  mongoUrl: uri,
  autoRemove: "native",
  ttl: 7200, //2 hours
  collectionName: "sessions",
});

const csrfProtection = csrf();

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

// config body-parser
app.use(bodyParser.urlencoded({ extended: false }));

// serve file stactically
app.use(express.static(path.join(__dirname, "public")));

// session
app.use(
  session({
    secret: "my secrets",
    saveUninitialized: false,
    resave: false,
    store: store,
  })
);

// others middlewares
app.use(csrfProtection);
app.use(flash());

// local res
app.use((req, res, next) => {
  res.locals.isAuthenticated = req.session.isLoggedIn;
  res.locals.name = undefined;
  res.locals.level = 0;
  if (req.session.user) {
    res.locals.name = req.session.user.name;
    res.locals.level = req.session.user.level;
  }
  res.locals.csrfToken = req.csrfToken();
  next();
});

// routes
const authRoutes = require("./routes/auth");
const pageRoutes = require("./routes/page");
const adminRoutes = require("./routes/admin");

app.use(pageRoutes);
app.use("/auth", authRoutes);
app.use("/admin", adminRoutes);

// error pages
app.use(errorController.get404);

app.use((error, req, res, next) => {
  console.log(error);
  res.status(500).render("errors/500", {
    pageTitle: "500",
    error: error,
  });
});

mongoose
  .connect(uri)
  .then((result) => {
    console.log("LISTENING...");
    app.listen(port);
  })
  .catch((error) => console.log(error));