app.js

const $ = require("cheerio");
const rp = require("request-promise");
const session = require("express-session");
const express = require("express");
const app = express();

const expressLayouts = require("express-ejs-layouts");

const flash = require("connect-flash");

// EJS middleware

app.use(expressLayouts);

// we need to set ejs view engine

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

// body parser to read the data from front end

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

// using public folder files
app.use(express.static("public"));

// express session middleware

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

// using flash //middleware

app.use(flash());
// our own middleware to handle errors//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/index"));

 

//catch 404 error and forward to error handler
app.use((req, res, next) => {
  // res.status(404).send("oops that doesnt exist");
  //  console.log('res.status is: '  + res.status);

  res.status(404).render("404");
});

const PORT = process.env.PORT || 5000;

app.listen(PORT, console.log(`server started and listening at ${PORT}`));