app.js

const express = require("express");
const mongodb = require("mongodb");

//app
const app = express();
//to use client in app
const db = require("./server").db();

//middlewares
app.use(express.static("public"));
app.use(express.urlencoded({ extended: true }));
app.use(express.json());

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

//routing

//create
app.post("/create-item", (req, res) => {
  const title = req.body.title;
  const body = req.body.body;
  db.collection("notes_collection").insertOne(
    {
      title: title,
      body: body,
      createdAt: new Date().toISOString().split("T")[0],
    },
    (err, data) => {
      res.json(data.ops[0]);
    }
  );
});

//update
app.post("/update-item", (req, res) => {
  const { id, title, body } = req.body;
  db.collection("notes_collection").findOneAndUpdate(
    { _id: new mongodb.ObjectId(id) },
    { $set: { title: title, body: body } },
    (err, data) => {
      res.json({ state: "success" });
    }
  );
});

//delete
app.post("/delete-item", (req, res) => {
  const id = req.body.id;
  if (!mongodb.ObjectId.isValid(id)) return res.json("Invalid ID");
  db.collection("notes_collection").deleteOne(
    {
      _id: new mongodb.ObjectId(id),
    },
    (err, data) => {
      if (err) {
        return res.json("error");
      } else {
        res.json({ success: true });
      }
    }
  );
});

//clear_all
app.post("/clear-all", (req, res) => {
  if (req.body.clear_all) {
    db.collection("notes_collection").deleteMany(() => {
      res.json({ state: "cleared" });
    });
  }
});

// gett
app.get("/", (req, res) => {
  db.collection("notes_collection")
    .find()
    .toArray((err, data) => {
      if (err) {
        console.log(er);
      } else {
        res.render("notes", { items: data });
      }
    });
});

module.exports = app;