public function StateManager::removeStorageFields in Field Encryption 3.0.x

Removes storage base fields if possible.

File

src/StateManager.php, line 157

Class

StateManager

Manages state for the module.

Namespace

Drupal\field_encrypt

Code

public function removeStorageFields() {
  $queue = $this->queueFactory
    ->get('field_encrypt_update_entity_encryption');

  // We can't remove the field if there are queue items to process because if
  // there is data we'll destroy it.
  if ($queue
    ->numberOfItems() > 0) {
    return;
  }
  $old_entity_types = $this->state
    ->get('field_encrypt.entity_types', []);
  $new_entity_types = $this
    ->getEntityTypes();
  if ($old_entity_types === $new_entity_types) {

    // No changes to make. Early return to do nothing and preserve caches.
    return;
  }
  $this->state
    ->set('field_encrypt.entity_types', $new_entity_types);

  // @see field_encrypt.module
  $this->moduleHandler
    ->resetImplementations();
  foreach (array_diff($old_entity_types, $new_entity_types) as $type) {
    $field = $this->entityDefinitionUpdateManager
      ->getFieldStorageDefinition(ProcessEntities::ENCRYPTED_FIELD_STORAGE_NAME, $type);
    if ($field) {
      $this->entityDefinitionUpdateManager
        ->uninstallFieldStorageDefinition($field);
    }
  }
}