Controllers.php

<?php

// CRUD Controller
class UserController {
  protected $mapping = [
    User::class => new JsonMapping(new UserReads(), new UserWrites())
  ];
  
  public function postIndex(User $user) {
    if ($user->save()) {
      return new Ok($user);
    } else {
      return new BadRequest($user->getErrors());
    }
  }

  public function patchUser($id, User $user) {
    $origin = User::find()->one($id);
    if ($origin !== null) {
      $origin->setAttributes($user->getAttributes());
      return $origin->save() ? new Ok($origin) : new BadRequest($origin->getErrors())
    } else {
      return new NotFound($id);
    }
  }
}

// Custom controller
class CommissionController {
  /**
   * @Inject
   */
  protected $commissionService;

  /**
   * @RequestBody(mapping={"reads": CommissionListReads::class})
   * @param Commission[] $commissions
   * @return Response
   */
  public function postIndex(array $commissions) {
    try {
      $this->commissionService->persist($commissions);
      return new Created();
    } catch (CommissionServiceException $e) {
      return new BadRequest($e->getMessage());
    }
  }
}