Let's start by creating a new file in the src/routes folder named admin-api.js. Then, write the following code:

const express = require('express')
const api = express.Router()

api
  .route('/admin/match/:id?')
  .post((req, res, next) => {
     
     // logic to create Match
     
  })
   .put((req, res, next) => {
     

     // logic to update Scores
     
  })


module.exports = api

You are very familiar with this code structure. First, we import the modules required to define our REST controller. Secondly, we create a /admin/match/:id? route and define the POST method to create a new match and another PUT method to update the scores.

Pay attention to the route definition; we are declaring an optional path variable called :id. To make a path optional, we add the ? operator after its name.

So far so good. Let's implement them.