index.js

const express = require("express");
const app = express();
const port = process.env.PORT || 5000;
const cors = require("cors");
const { MongoClient, ServerApiVersion } = require("mongodb");
const ObjectId = require("mongodb").ObjectId;
app.use(cors());
app.use(express.json());
const uri =
  "mongodb+srv://dbusername01:PwoyUhdkoLH4EGnR@cluster0.dbx4u.mongodb.net/myFirstDatabase?retryWrites=true&w=majority";
const client = new MongoClient(uri, {
  useNewUrlParser: true,
  useUnifiedTopology: true,
  serverApi: ServerApiVersion.v1,
});

async function run() {
  try {
    await client.connect();
    const userCollection = client.db("foodExpress").collection("user");
    // SINGLE USER DETAILS
    app.get("/user/:id", async (req, res) => {
      id = req.params.id;
      const query = { _id: ObjectId(id) };
      const result = await userCollection.findOne(query);
      res.send(result);
    });
    // GET USER
    app.get("/user", async (req, res) => {
      const query = {};
      const cursor = userCollection.find(query);
      const user = await cursor.toArray();
      res.send(user);
    });
    // POST USER
    app.post("/user", async (req, res) => {
      const user = req.body;
      console.log(user);
      const result = await userCollection.insertOne(user);
      res.send(result);
    });
    // UPDATE USER
    app.put("/user/:id", async (req, res) => {
      const id = req.params.id;
      const updateUser = req.body;
      const filter = { _id: ObjectId(id) };
      const options = { upsert: true };
      const updateDoc = {
        // $set: {
        //   // name: updateUser.name,
        //   // email: updateUser.email
        //   updateUser,
        // },
        $set: updateUser,
      };
      const result = await userCollection.updateOne(filter, updateDoc, options);
      res.send(result);
    });
    // DELETE USER
    app.delete("/user/:id", async (req, res) => {
      const id = req.params.id;
      const query = { _id: ObjectId(id) };
      const result = await userCollection.deleteOne(query);
      res.send(result);
    });
  } finally {
    // await client.close()
  }
}
run().catch(console.dir);

app.get("/", (req, res) => {
  res.send("Mongo Db first website");
});
app.listen(port, () => {
  console.log(`Example app listening on port ${port}`);
});