Express 6 - GET en détail

index.js

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

app.use(express.json());
app.use(
  express.urlencoded({
    extended: true,
  })
);

// GET ALL MOVIEs or FILTERED MOVIES with rating and/or genre
app.get("/api/movies", (req, res) => {
  let sql = "SELECT * FROM movie";
  const sqlValues = [];
  if (req.query.genre && req.query.rating) {
    sql += " WHERE genre = ? AND rating = ?";
    sqlValues.push(req.query.genre);
    sqlValues.push(req.query.rating);
  } else if (req.query.rating) {
    sql += " WHERE rating = ?";
    sqlValues.push(req.query.rating);
  } else if (req.query.genre) {
    sql += " WHERE genre = ?";
    sqlValues.push(req.query.genre);
  }
  connection.query(sql, sqlValues, (err, results) => {
    if (err) {
      res.status(500).send("Error while recovering movies");
    } else {
      res.json(results);
    }
  });
});

// GET ONE MOVIE
app.get("/api/movies/:id", (req, res) => {
  const idMovie = req.params.id;
  connection.query(
    "SELECT * from movie WHERE id= ?",
    [idMovie],
    (err, results) => {
      if (err) {
        return res.status(500).send(`An error occurred: ${err.message}`);
      }
      if (results[0] === undefined) {
        return res.status(404).send("Movie not found");
      }
      return res.json(results[0]);
    }
  );
});

app.listen(port, (err) => {
  if (err) {
    throw new Error("Something bad happened...");
  }
  console.log(`Server is listening on ${port}`);
});