👉 Les ressources de la formation « Node : Développez votre première API Rest avec Express et MySQL» se trouvent bien sur cette page. Vous trouverez, comme promis :

L’application de démonstration

Lien vers l’application de démonstration.

La correction du code

Les ressources à télécharger

Les extraits de code

app.js

const express = require('express')
 
const app = express()
const port = 3000
 
app.get('/', (req, res) => res.send('Hello, Express!'))
 
app.listen(port, () => console.log(`Notre application Node est démarrée sur : http://localhost:${port}`))

mock-pokemon.js

const pokemons = [
 {
  id: 1,
  name: "Bulbizarre",
  hp: 25,
  cp: 5,
  picture: "https://assets.pokemon.com/assets/cms2/img/pokedex/detail/001.png",
  types: ["Plante", "Poison"],
  created: new Date()
 },
 {
  id: 2,
  name: "Salamèche",
  hp: 28,
  cp: 6,
  picture: "https://assets.pokemon.com/assets/cms2/img/pokedex/detail/004.png",
  types: ["Feu"],
  created: new Date()
 },
 {
  id: 3,
  name: "Carapuce",
  hp: 21,
  cp: 4,
  picture: "https://assets.pokemon.com/assets/cms2/img/pokedex/detail/007.png",
  types: ["Eau"],
  created: new Date()
 },
 {
  id: 4,
  name: "Aspicot",
  hp: 16,
  cp: 2,
  picture: "https://assets.pokemon.com/assets/cms2/img/pokedex/detail/013.png",
  types: ["Insecte", "Poison"],
  created: new Date()
 },
 {
  id: 5,
  name: "Roucool",
  hp: 30,
  cp: 7,
  picture: "https://assets.pokemon.com/assets/cms2/img/pokedex/detail/016.png",
  types: ["Normal", "Vol"],
  created: new Date()
 },
 {
  id: 6,
  name: "Rattata",
  hp: 18,
  cp: 6,
  picture: "https://assets.pokemon.com/assets/cms2/img/pokedex/detail/019.png",
  types: ["Normal"],
  created: new Date()
 },
 {
  id: 7,
  name: "Piafabec",
  hp: 14,
  cp: 5,
  picture: "https://assets.pokemon.com/assets/cms2/img/pokedex/detail/021.png",
  types: ["Normal", "Vol"],
  created: new Date()
 },
 {
  id: 8,
  name: "Abo",
  hp: 16,
  cp: 4,
  picture: "https://assets.pokemon.com/assets/cms2/img/pokedex/detail/023.png",
  types: ["Poison"],
  created: new Date()
 },
 {
  id: 9,
  name: "Pikachu",
  hp: 21,
  cp: 7,
  picture: "https://assets.pokemon.com/assets/cms2/img/pokedex/detail/025.png",
  types: ["Electrik"],
  created: new Date()
 },
 {
  id: 10,
  name: "Sabelette",
  hp: 19,
  cp: 3,
  picture: "https://assets.pokemon.com/assets/cms2/img/pokedex/detail/027.png",
  types: ["Normal"],
  created: new Date()
 },
 {
  id: 11,
  name: "Mélofée",
  hp: 25,
  cp: 5,
  picture: "https://assets.pokemon.com/assets/cms2/img/pokedex/detail/035.png",
  types: ["Fée"],
  created: new Date()
 },
 {
  id: 12,
  name: "Groupix",
  hp: 17,
  cp: 8,
  picture: "https://assets.pokemon.com/assets/cms2/img/pokedex/detail/037.png",
  types: ["Feu"],
  created: new Date()
 }
];
 
module.exports = pokemons

helper.js

const success = (message, data) => {
  return {
    message: message,
    data: data
  }
}

exports.success

7.7.Correction : Retourner une liste de données au format JSON

const express = require('express')
const { success } = require('./helper.js')
let pokemons = require('./mock-pokemon')

const app = express()
const port = 3000

app.get('/', (req,res) => res.send('Hello again, Express !'))

// On retourne la liste des pokémons au format JSON, avec un message :
app.get('/api/pokemons', (req, res) => {
  const message = 'La liste des pokémons a bien été récupérée.'
  res.json(success(message, pokemons)) 
})

app.get('/api/pokemons/:id', (req, res) => {
  const id = parseInt(req.params.id)
  const pokemon = pokemons.find(pokemon => pokemon.id === id)
  const message = 'Un pokémon a bien été trouvé.'
  res.json(success(message, pokemon))
})

app.listen(port, () => console.log(`Notre application Node est démarrée sur : http://localhost:${port}`))