index.js

const { response } = require('express');
const express = require('express');
const app = express();
const port = 3001;
const merchant_model = require('./merchant_model');
app.use(express.json());
app.use(function (req, res, next) {
  res.setHeader('Access-Control-Allow-Origin', 'http://localhost:3000');
  res.setHeader('Access-Control-Allow-Methods', 'GET,POST,PUT,DELETE,OPTIONS');
  res.setHeader(
    'Access-Control-Allow-Headers',
    'Content-Type, Access-Control-Allow-Headers'
  );
  next();
});

// app.get('/filter', (req, res) => {
//   merchant_model
//     .productFilter()
//     .then((response) => {
//       res.status(200).send(response);
//     })
//     .catch((error) => {
//       res.status(500).send(error);
//     });
// });

app.get('/', (req, res) => {
  merchant_model
    .getMerchants()
    .then((response) => {
      res.status(200).send(response);
    })
    .catch((error) => {
      res.status(500).send(error);
    });
});

app.post('/merchants', (req, res) => {
  merchant_model
    .createMerchant(req.body)
    .then((response) => {
      res.status(200).send(response);
    })
    .catch((error) => {
      res.status(500).send(error);
    });
});

app.delete('/merchants/:id', (req, res) => {
  merchant_model
    .deleteMerchant(req.params.id)
    .then((response) => {
      res.status(200).send(response);
    })
    .catch((error) => {
      res.status(500).send(error);
    });
});

app.listen(port, () => {
  console.log(`App running on port ${port}.`);
});