public function MetatagCustomCreateForm::validateForm in Metatag Routes 8

Form validation handler.

Parameters

array $form: An associative array containing the structure of the form.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

Overrides FormBase::validateForm

File

src/Form/MetatagCustomCreateForm.php, line 106

Class

MetatagCustomCreateForm

Class MetatagCustomCreateForm.

Namespace

Drupal\metatag_routes\Form

Code

public function validateForm(array &$form, FormStateInterface $form_state) {
  parent::validateForm($form, $form_state);

  // Get the path given by the user.
  $url = trim($form_state
    ->getValue('metatag_url'));

  // Validate the url format.
  if (strpos($url, '/') === FALSE) {
    $form_state
      ->setErrorByName('metatag_url', $this
      ->t('The path must begin with /'));
    return FALSE;
  }

  // Get route name from path.
  $url_object = $this->pathValidator
    ->getUrlIfValid($url);
  if ($url_object) {
    $route_name = $url_object
      ->getRouteName();
    $route_object = $this->routeProvider
      ->getrouteByName($route_name);

    // Avoid administrative routes to have metatags.
    if ($this->adminContext
      ->isAdminRoute($route_object)) {
      $form_state
        ->setErrorByName('metatag_url', $this
        ->t('The admin routes should not have metatags.'));
      return FALSE;
    }

    // Avoid including entity routes.
    $params = $url_object
      ->getRouteParameters();
    $entity_type = !empty($params) ? key($params) : NULL;
    if (isset($entity_type) && in_array($entity_type, [
      'node',
      'taxonomy_term',
    ])) {
      $form_state
        ->setErrorByName('metatag_url', $this
        ->t('The entities routes metatags must be added by fields. @entity_type - @id', [
        '@entity_type' => $entity_type,
        '@id' => $params[$entity_type],
      ]));
      return FALSE;
    }

    // Validate that the route doesn't have metatags created already.
    $ids = $this->entityTypeManager
      ->getStorage('metatag_defaults')
      ->getQuery()
      ->condition('id', $route_name)
      ->execute();
    if ($ids) {
      $form_state
        ->setErrorByName('metatag_url', $this
        ->t('There are already metatags created for this route.'));
      return FALSE;
    }
    $form_state
      ->setValue('route_name', $route_name);
  }
  else {
    $form_state
      ->setErrorByName('metatag_url', $this
      ->t('The path does not exist as an internal Drupal route.'));
  }
}