index.js

const express = require('express');
const mongoose = require('mongoose');
const task = require('./models/record');
const app = express();
const db = require('./config/keys').MongoUri;
mongoose
  .connect(db, {
    useNewUrlParser: true,
    useUnifiedTopology: true
  })
  .then(() => console.log('mongo db connected'))
  .catch(err => console.log(err));
//app.use(expressLayouts);
app.set('view engine', 'ejs');
app.use('/css', express.static('views/css'));
app.use(express.urlencoded({ extended: false }));
const port = process.env.PORT || 3000;
app.listen(port, () => {
  console.log('running at ' + port);
});
app.get('/', (req, res) => {
  task.find({}, (err, data) => {
    if (err) {
      throw err;
    }

    res.render('todo', { data });
  });
});

app.post('/todo', (req, res) => {
  var { str } = req.body;
  console.log(str);
  var ntask = new task({ task: str });
  ntask.save((err, json) => {
    if (err) {
      throw err;
    } else {
      console.log('sucesss');
    }
  });
  console.log(ntask);
  res.redirect('/');
});
app.delete('/todo', (req, res) => {
  task.deleteOne({ task: req.query.item }, (err, data) => {
    if (err) throw err;
    else {
      res.json(data);
    }
  });
});