index.js

const express = require("express");
const path = require("path");
const cookieParser = require("cookie-parser")
const { connectToMongoDB } = require("./connect")
const { restrictToLoggedinUserOnly, checkAuth } = require("./middlewares/auth")

const URL = require("./models/url")

const urlRoute = require('./routes/url')
const staticRoute = require("./routes/staticRouter")
const userRoute = require("./routes/user")

const app = express();
const PORT = 5001;

connectToMongoDB("mongodb://127.0.0.1:27017/short-url")
.then(()=> console.log("mongoDB connected"));

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

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

app.use("/url", restrictToLoggedinUserOnly, urlRoute);
app.use("/", checkAuth, staticRoute);
app.use("/user", userRoute)

app.get("/:shortId", async (req,res) => {
  const shortId = req.params?.shortId;
  if(shortId){
    const entry = await URL.findOneAndUpdate(
      {shortId:shortId},
      { 
        $push: {
          visitHistory: {
            timestamp: Date.now(),
          },
        },
      },
    );
    res.redirect(entry.redirectUrl);
  }
});

app.listen(PORT, ()=> console.log("Server started.."))