Handling deletions

We have seen in the BO controllers that we use commands to delete each entity, the DeleteCategoryCommand for the categories and the DeletePostCommand for posts.

Each command is linked to its CommandHandler. Now that we have mastered the command creation, we will focus on CommandHandlers.

Let’s create the /modules/whblog/src/Domain/WHBlogCategory/CommandHandler/DeleteCategoryHandler.php file to implement DeleteCategoryHandler linked to DeleteCategoryCommand. Its content can be seen in the following code:

//namespace and uses available in the GitHub repository
class DeleteCategoryHandler
{
  private $entityManager;
  private $categoryRepository;
  public function __construct($entityManager,
  $categoryRepository)
  {
    $this->entityManager = $entityManager;
    $this->categoryRepository = $categoryRepository;
  }
  public function handle...