public function LinkFieldUnserializer::onUnserializeContentField in Acquia Content Hub 8.2

On unserialize field event function.

Handles the unserialization of menu_link entities.

Parameters

\Drupal\acquia_contenthub\Event\UnserializeCdfEntityFieldEvent $event: The unserialize event.

File

src/EventSubscriber/UnserializeContentField/LinkFieldUnserializer.php, line 33

Class

LinkFieldUnserializer

Link Field Unserializer.

Namespace

Drupal\acquia_contenthub\EventSubscriber\UnserializeContentField

Code

public function onUnserializeContentField(UnserializeCdfEntityFieldEvent $event) {

  // Get field meta data.
  $meta = $event
    ->getFieldMetadata();

  // Make sure the field type is link.
  if ($meta['type'] !== 'link') {
    return;
  }

  // Get field and init values array to set later.
  $field = $event
    ->getField();
  $values = [];

  // Return early if no attr values are set.
  if (empty($field['value'])) {
    return;
  }

  // Loop through field values.
  foreach ($field['value'] as $langcode => $fieldValues) {
    foreach ($fieldValues as $value) {
      if ($value['uri_type'] === 'entity') {

        // Get the entity from event stack.
        $uuid = $value['uri'];
        $uri_entity = $event
          ->getStack()
          ->getDependency($uuid)
          ->getEntity();

        // Construct the entity link.
        // Format: entity:<ENT_TYPE>/<ENT_ID>.
        $entity_link = "entity:{$uri_entity->getEntityTypeId()}/{$uri_entity->id()}";

        // Set entity link as target.
        $value['uri'] = $entity_link;
      }
      if ($value['uri_type'] === 'internal') {
        $internal_type = array_key_exists('internal_type', $value) ? $value['internal_type'] : '';
        if ($internal_type === 'internal_entity') {
          $uuid = $value['uri'];
          $uri_entity = $event
            ->getStack()
            ->getDependency($uuid)
            ->getEntity();

          // Construct the internal link.
          // Format: internal:/<ENT_TYPE>/<ENT_ID>.
          if ($uri_entity
            ->getEntityType()
            ->hasLinkTemplate('canonical') && $uri_entity
            ->toUrl('canonical')
            ->isRouted()) {
            $internal_link = "internal:/" . $uri_entity
              ->toUrl('canonical')
              ->getInternalPath();
          }
          else {
            $internal_link = "internal:/{$uri_entity->getEntityTypeId()}/{$uri_entity->id()}";
          }
          $value['uri'] = $internal_link;
        }
        if (!empty($internal_type)) {
          unset($value['internal_type']);
        }
      }
      unset($value['uri_type']);
      $values[$langcode][$event
        ->getFieldName()][] = $value;
    }
  }

  // Set updated event values.
  $event
    ->setValue($values);
  $event
    ->stopPropagation();
}