function entity_reference_revisions_field_storage_config_update in Entity Reference Revisions 8

Implements hook_ENTITY_TYPE_update() for 'field_storage_config'.

Reset the instance handler settings, when the target type is changed.

File

./entity_reference_revisions.module, line 63

Provides a field that can reference other entities.

Code

function entity_reference_revisions_field_storage_config_update(FieldStorageConfigInterface $field_storage) {
  if ($field_storage
    ->getType() != 'entity_reference_revisions') {

    // Only act on entity reference fields.
    return;
  }
  if ($field_storage
    ->isSyncing()) {

    // Don't change anything during a configuration sync.
    return;
  }
  if ($field_storage
    ->getSetting('target_type') == $field_storage->original
    ->getSetting('target_type')) {

    // Target type didn't change.
    return;
  }
  if (empty($field_storage->bundles)) {

    // Field storage has no fields.
    return;
  }
  $field_name = $field_storage
    ->getName();
  foreach ($field_storage
    ->bundles() as $entity_type => $bundles) {
    foreach ($bundles as $bundle) {
      $field = FieldConfig::loadByName($entity_type, $bundle, $field_name);
      $field
        ->setSetting('handler_settings', []);
      $field
        ->save();
    }
  }
}