public function YoastSeoConfigForm::submitForm in Real-time SEO for Drupal 8

Form submission 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 FormInterface::submitForm

File

src/Form/YoastSeoConfigForm.php, line 66

Class

YoastSeoConfigForm

Class YoastSeoConfigForm.

Namespace

Drupal\yoast_seo\Form

Code

public function submitForm(array &$form, FormStateInterface $form_state) {
  $yoast_seo_manager = \Drupal::service('yoast_seo.manager');

  // Get the available entity types Yoast SEO supports.
  $entity_types = $this
    ->getAvailableEntityTypes();

  // Retrieve the form values.
  $values = $form_state
    ->getValues();

  // Fields to attach.
  $to_attach = [];

  // Fields to detach.
  $to_detach = [];

  // Foreach entity types Yoast SEO can be enable for, check the bundle the
  // administrator wants to enable/disable Yoast SEO for.
  foreach ($entity_types as $entity_type_id => $entity_type_label) {

    // Get the available bundles Yoast SEO supports.
    $bundles = $yoast_seo_manager
      ->getAvailableBundles($entity_type_id);

    // Get the bundles Yoast SEO has been enabled for.
    $enabled_bundles = $yoast_seo_manager
      ->getEnabledBundles($entity_type_id);

    // Foreach available bundles.
    foreach ($bundles as $bundle_id => $bundle_label) {

      // Yoast SEO is required to be enabled for.
      if (isset($values[$entity_type_id][$bundle_id]) && $values[$entity_type_id][$bundle_id] !== 0 && !in_array($bundle_id, $enabled_bundles)) {
        $to_attach[$entity_type_id][] = $bundle_id;
      }
      elseif (isset($values[$entity_type_id][$bundle_id]) && $values[$entity_type_id][$bundle_id] === 0 && in_array($bundle_id, $enabled_bundles)) {
        $to_detach[$entity_type_id][] = $bundle_id;
      }
    }
  }

  // Process fields to be attached.
  if (!empty($to_attach)) {

    // Add field to content view in case not already attached.
    $yoast_seo_manager
      ->attachFieldHandlerToContentView();

    // Attach fields to content types.
    foreach ($to_attach as $entity_type_id => $bundles) {
      foreach ($bundles as $bundle_id) {
        $yoast_seo_manager
          ->attachYoastSeoFields($entity_type_id, $bundle_id);
      }
    }
  }

  // Process fields to be detached.
  if (!empty($to_detach)) {

    // View management. If Yoast SEO is going to be deactivated for all
    // fields related to nodes.
    // Then we first detach the field from the view.
    if (!empty($to_detach['node'])) {
      $node_enabled_bundles = $yoast_seo_manager
        ->getEnabledBundles('node');

      // If list of fields to detach is equal to the currently enabled
      // bundles for node,
      // then we should remove the fields from the view.
      if (count($node_enabled_bundles) == count($to_detach['node'])) {
        $yoast_seo_manager
          ->detachFieldHandlerFromContentView();
      }
    }

    // Detach fields from content types.
    foreach ($to_detach as $entity_type_id => $bundles) {
      foreach ($bundles as $bundle_id) {
        $yoast_seo_manager
          ->detachYoastSeoFields($entity_type_id, $bundle_id);
      }
    }
  }
  \Drupal::messenger()
    ->addMessage($this
    ->t('Real-time SEO configuration by bundles has been saved successfully.'));
}