Express 4

App.js

const connection = require("./db-config");
const express = require("express");
const app = express();

const port = process.env.PORT ?? 3000;

connection.connect((err) => {
  if (err) {
    console.error("error connecting: " + err.stack);
  } else {
    console.log("connected as id " + connection.threadId);
  }
});

app.use(express.json());

app.get("/api/movies", (req, res) => {
  connection.query("SELECT * FROM movies", (err, result) => {
    if (err) {
      console.error(err);
      res.status(500).send("Error retrieving data from database");
    } else {
      res.json(result);
    }
  });
});

app.get("/api/users", (req, res) => {
  connection.query("SELECT * FROM users", (err, result) => {
    if (err) {
      console.error(err);
      res.status(500).send("Error retrieving users from database");
    } else {
      res.json(result);
    }
  });
});

app.post("/api/movies", (req, res) => {
  const { title, director, year, color, duration } = req.body;
  connection.query(
    "INSERT INTO movies (title, director, year, color, duration) VALUES (?, ?, ?, ?, ?)",
    [title, director, year, color, duration],
    (err, result) => {
      if (err) {
        console.error(err);
        res.status(500).send("Error saving the movie");
      } else {
        res.status(200).send("Movie successfully saved");
      }
    }
  );
});

app.post("/api/users", (req, res) => {
  const { firstname, lastname, email } = req.body;
  connection.query(
    "INSERT INTO users (firstname, lastname, email) VALUES (?, ?, ?)",
    [firstname, lastname, email],
    (err, result) => {
      if (err) {
        console.error(err);
        res.status(500).send("Error saving the user");
      } else {
        res.status(200).send("User successfully saved");
      }
    }
  );
});

app.put("/api/users/:id", (req, res) => {
  const userId = req.params.id;
  const userPropsToUpdate = req.body;
  connection.query(
    "UPDATE users SET ? WHERE id = ?",
    [userPropsToUpdate, userId],
    (err, result) => {
      if (err) {
        console.error(err);
        res.status(500).send("Error updating a user");
      } else {
        res.status(200).send("User updated successfully 🎉");
      }
    }
  );
});


app.put('/api/movies/:movieId', (req, res) => {

  const { movieId } = req.params;
 
  const moviePropsToUpdate = req.body;

  connection.query(
    'UPDATE movies SET ? WHERE id = ?',
    [moviePropsToUpdate, movieId],
    (err) => {
       if (err) {
        console.log(err);
        res.status(500).send('Error updating a user');
      } else {
        res.status(200).send('User updated successfully 🎉');
      }
    }
  );
});

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