DTO simplification for EasyAdminBundle applications

EasyAdminDTOController.php

<?php

namespace App\Controller;

use EasyCorp\Bundle\EasyAdminBundle\Controller\EasyAdminController;
use Symfony\Component\Form\FormInterface;

/**
 * See more https://github.com/yceruto/easyadmin-demo/tree/dto_example
 */
abstract class EasyAdminDTOController extends EasyAdminController
{
    protected function createNewEntity()
    {
        return $this->createDTO();
    }

    protected function persistEntity($dto): void
    {
        $entity = $this->createEntity($dto);

        parent::persistEntity($entity);
    }

    protected function createEditForm($entity, array $entityProperties)
    {
        $dto = $this->createDTO($entity);

        return $this->createEntityForm($dto, $entityProperties, 'edit');
    }

    protected function updateEntity($entity, FormInterface $editForm = null): void
    {
        if (null !== $editForm) {
            $dto = $editForm->getData();
            $this->mutateEntity($entity, $dto);
        }

        parent::updateEntity($entity);
    }

    /**
     * Creates a new Data Transfer Object.
     *
     * This method is called on new and edit actions.
     *
     * @param object|null $entity The entity instance if editing, null otherwise
     *
     * @return object The new Data Transfer Object
     */
    abstract protected function createDTO($entity = null);

    /**
     * Creates a new Entity from a Data Transfer Object.
     *
     * This method is called on new action only.
     *
     * @param object $dto The DTO instance
     *
     * @return object The new entity object
     */
    abstract protected function createEntity($dto);

    /**
     * Updates an Entity from a Data Transfer Object.
     *
     * This method is called on edit action only.
     *
     * @param object $entity The entity instance
     * @param object $dto    The DTO instance
     *
     * @return object The mutated entity object
     */
    abstract protected function mutateEntity($entity, $dto);
}