public function FieldCollection::preSave in Field collection 8.3

Same name and namespace in other branches

1. 8 src/Plugin/Field/FieldType/FieldCollection.php \Drupal\field_collection\Plugin\Field\FieldType\FieldCollection::preSave()

Care about removed field collection items.

Support saving field collection items in

$item['entity'];

. This may be used to seamlessly create field collection items during host-entity creation or to save changes to the host entity and its collections at once.

Overrides EntityReferenceItem::preSave

File

src/Plugin/Field/FieldType/FieldCollection.php, line 183

Class

FieldCollection

Plugin implementation of the 'field_collection' field type.

Namespace

Drupal\field_collection\Plugin\Field\FieldType

Code

public function preSave() {
  if ($field_collection_item = $this
    ->getFieldCollectionItem()) {
    $host = $this
      ->getEntity();

    // Handle node cloning
    if ($host
      ->isNew() && !$field_collection_item
      ->isNew()) {

      // If the host entity is new but we have a field_collection that is not
      // new, it means that its host is being cloned. Thus we need to clone
      // the field collection entity as well.
      $field_collection_item = $field_collection_item
        ->createDuplicate();
    }

    // TODO: Handle deleted items

    /*
    $field_name = $this->getFieldDefinition()->field_name;
    $host_original = $host->original;
    $items_original = !empty($host_original->$field_name) ? $host_original->$field_name : [];
    $original_by_id = array_flip(field_collection_field_item_to_ids($items_original));
    foreach ($items as &$item) {
    */

    // TODO: Handle deleted items

    /*
      unset($original_by_id[$item['target_id']]);
    }
    // If there are removed items, care about deleting the item entities.
    if ($original_by_id) {
      $ids = array_flip($original_by_id);
      // If we are creating a new revision, the old-items should be kept but get
      // marked as archived now.
      if (!empty($host_entity->revision)) {
        db_update('field_collection_item')
          ->fields(['archived' => 1])
          ->condition('target_id', $ids, 'IN')
          ->execute();
      }
      else {
        // Delete unused field collection items now.
        foreach (FieldCollectionItem::loadMultiple($ids) as $un_item) {
          $un_item->updateHostEntity($host_entity);
          $un_item->deleteRevision(TRUE);
        }
      }
    }
    */
    $this->newHostRevision = $host
      ->isNewRevision();

    // If the host entity is saved as new revision, do the same for the item.
    if ($this->newHostRevision) {
      $field_collection_item
        ->setNewRevision();

      // TODO: Verify for D8, may not be necessary

      /*
      // Without this cache clear entity_revision_is_default will
      // incorrectly return false here when creating a new published revision
      if (!isset($cleared_host_entity_cache)) {
        list($entity_id) = entity_extract_ids($host_entity_type, $host_entity);
        entity_get_controller($host_entity_type)->resetCache([$entity_id]);
        $cleared_host_entity_cache = true;
      }
      */
      if ($host
        ->isDefaultRevision()) {
        $field_collection_item
          ->isDefaultRevision(TRUE);

        //$entity->archived = FALSE;
      }
    }
    if ($field_collection_item
      ->isNew()) {
      $field_collection_item
        ->setHostEntity($this
        ->getEntity(), FALSE);
    }
    $field_collection_item
      ->save(TRUE);
    $this->target_id = $field_collection_item
      ->id();
    $this->revision_id = $field_collection_item
      ->getRevisionId();
  }
}