index.js

const express = require("express");
const bodyParser = require("body-parser");
const multer = require("multer");
require("dotenv").config();
const app = express();

app.use(bodyParser.urlencoded({ extended: false }));
//middelware for file handleing files

const fileStorage = multer.diskStorage({
  destination: (req, file, cb) => {
    cb(null, "./utils/CVs");
  },
  filename: (req, file, cb) => {
    UniqefileName =
      new Date().toISOString().replace(/:/g, " ") + "_" + file.originalname;
    req.UniqefileName = UniqefileName;
    cb(null, UniqefileName);
  },
});
//function to filter cv file type and only accept images and pdfs
const fileFilter = (req, file, cb) => {
  if (
    file.mimetype === "image/png" ||
    file.mimetype === "image/jpg" ||
    file.mimetype === "image/jpeg" ||
    file.mimetype === "application/pdf" ||
    file.mimetype === "application/x-pdf"
  ) {
    cb(null, true);
  } else {
    cb(null, false);
  }
};

app.use(multer({ storage: fileStorage, fileFilter: fileFilter }).single("q6"));
//setting up the views
app.set("view engine", "ejs");
app.set("views", "views");

//setting up routes
const registrationRoutes = require("./routes/registration");
const indexroutes = require("./routes/index");
//to handle 404 errors
const errorController = require("./controllers/error");
const { file } = require("googleapis/build/src/apis/file");
const res = require("express/lib/response");

app.use("/register", registrationRoutes);
app.use(indexroutes);
app.use(errorController.get404);

app.listen(3001);
console.log("app is running on port 3001");