server.js

require("dotenv").config();
// required packages
const express = require("express");
const pg = require("pg");
const rowdy = require("rowdy-logger");
const cookieParser = require("cookie-parser");
const db = require("./models");
const cryptoJS = require("crypto-js");
const methodOverride = require("method-override");

const pool = new pg.Pool();
// app config
const PORT = process.env.PORT || 3333;
const app = express();
app.set("view engine", "ejs");

// middle wares
const rowdyRes = rowdy.begin(app);
app.use(require("express-ejs-layouts"));
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(methodOverride("_method"));

// DIY middleware
// happens on every request
app.use((req, res, next) => {
  //  handy dandy debugging request logger
  // console.log(`[${new Date().toLocaleString()}] incoming request: ${req.method} ${req.url}`)
  // console.log('request body:', req.body)
  // modify the response to give data to the routes/middleware that is 'downstream'
  res.locals.myData = "hi, I came from a middleware!";
  // tell express that the middleware is done
  next();
});

// auth middleware
app.use(async (req, res, next) => {
  try {
    // if there is a cookie --
    if (req.cookies.userId) {
      // try to find that user in the db
      const userId = req.cookies.userId;
      const decryptedId = cryptoJS.AES.decrypt(
        userId,
        process.env.ENC_KEY
      ).toString(cryptoJS.enc.Utf8);
      const user = await db.user.findByPk(decryptedId);
      // mount the found user on the res.locals so that later routes can access the logged in user
      // any value on the res.locals is available to the layout.ejs
      res.locals.user = user;
    } else {
      // the user is explicitly not logged in
      res.locals.user = null;
    }
    next();
  } catch (err) {
    console.log(err);
  }
});

// routes
app.get("/", async (req, res) => {
  const allPost = await db.post.findAll();

  res.render("index", { allpost: allPost });
});

// controllers
app.use("/users", require("./controllers/users"));
app.use("/post", require("./controllers/post"));

app.listen(PORT, () => {
  console.log(`server is running on port ${PORT}`);
  rowdyRes.print();
});