Creating and saving an entity

In this recipe, we will define a route to create a new article. The route will be for an HTTP POST request sending JSON to specify the article’s title and body text.

How to do it…

1. Create a store method in the ArticleController controller in your module that will receive the incoming request object:

   <?php

   namespace Drupal\mymodule\Controller;

   use Drupal\Core\Controller\ControllerBase;

   use Symfony\Component\HttpFoundation\JsonResponse;

   use Symfony\Component\HttpFoundation\Request;

   class ArticleController extends ControllerBase {

     public function store(Request $request):

         JsonResponse {

     }

   }

We need the request object so that we can retrieve the JSON provided in the request payload.

2. Next, we will convert the request’s content from JSON to a PHP array using Drupal’s JSON serialization utility class:

     public function store(Request $request):

    ...