public static function FormValidation::validateForm in Business Rules 8

Same name and namespace in other branches

1. 2.x src/Plugin/BusinessRulesReactsOn/FormValidation.php \Drupal\business_rules\Plugin\BusinessRulesReactsOn\FormValidation::validateForm()

Performs the BusinessRule form validation.

Parameters

array $form: The form array.

\Drupal\Core\Form\FormStateInterface $form_state: The form state object.

File

src/Plugin/BusinessRulesReactsOn/FormValidation.php, line 34

Class

FormValidation

Class FormBuild.

Namespace

Drupal\business_rules\Plugin\BusinessRulesReactsOn

Code

public static function validateForm(array &$form, FormStateInterface $form_state) {

  /** @var \Drupal\business_rules\Util\BusinessRulesProcessor $processor */

  /** @var \Drupal\business_rules\Events\BusinessRulesEvent $event */

  /** @var \Drupal\Core\Entity\Entity $entity */
  $event = $form_state
    ->get('business_rules_event');
  $event
    ->setArgument('form_state', $form_state);

  // Set a new entity to be the form_state entity values. The comparison will
  // gonna be against this dummy entity.
  $entityManager = \Drupal::entityTypeManager();
  $entity = $form_state
    ->getFormObject()
    ->getEntity();
  $entity_values = $form_state
    ->getValues();
  $entity_values['type'] = $entity
    ->bundle();

  // For some reason that I'm lazy to look for, the Comment entity does not
  // use the key "type" to specify the bundle. It uses "comment_type" instead.
  if ($entity
    ->getEntityTypeId() == 'comment') {
    $entity_values['comment_type'] = $entity
      ->bundle();
  }
  try {
    $new_entity = $entityManager
      ->getStorage($entity
      ->getEntityTypeId())
      ->create($entity_values);
  } catch (\Exception $e) {

    // The dummy entity could not be created. Let's try force field values.
    $new_entity = clone $entity;
    $array = $new_entity
      ->toArray();
    foreach ($entity_values as $key => $entity_value) {
      try {
        if (in_array($key, array_keys($array))) {
          $new_entity->{$key}
            ->setValue($entity_value);
        }
      } catch (\Exception $e) {

        // Field not exists.
      }
    }
  }
  $event
    ->setArgument('entity', $new_entity);
  $event
    ->setArgument('form_state', $form_state);

  // The BusinessRulesProcessor process the items after form submission.
  // To form validation we need to process the rule's items before it.
  // In this case we need to call the processor right now.
  $processor = \Drupal::getContainer()
    ->get('business_rules.processor');
  $processor
    ->process($event);
}