Express quest 6

index.js

const express = require('express');
const app = express();
const port = 3000;
const connection = require('./conf');

app.listen(port, (err) => {
  if (err) {
    throw new Error('Something bad happened...');
  }

  console.log(`Server is listening on ${port}`);
});

const bodyParser = require('body-parser');
// Support JSON-encoded bodies
app.use(bodyParser.json());
// Support URL-encoded bodies
app.use(bodyParser.urlencoded({
  extended: true
}));

app.get('/api/movies/:id', (req, res) => {
  const id = req.params.id;
  connection.query('SELECT * from movie WHERE id = ?', [id], (err, results) => {
    if (err) {
      console.error(err);
      res.status(500).send(`An error occurred: ${err.message}`);
    } else if (results === undefined || results.length < 1) {
      res.status(404).send('Movie not found');
    } else {
      res.json(results[0]);
    }
  });
});

app.get('/api/movies', (req, res) => {
  let sql = 'SELECT * FROM movie';
  const sqlValues = [];
  if (req.query.genre) {
    sql += ' WHERE genre = ?';
    sqlValues.push(req.query.genre);
  }
  else if (req.query.rating) {
    sql += ' WHERE rating = ?';
    sqlValues.push(req.query.rating);
  }
  // send an SQL query to get all employees
  connection.query(sql, sqlValues, (err, results) => {

    if (err) {

      res.status(500).json({
        error: err,
        message: 'Erreur lors de la récupération des films'
      });
    } else {

      res.json(results);
    }
  });
});