public function MultiversionMigration::getFieldMap in Multiversion 8

Helper method to fetch the field map for an entity type.

Parameters

EntityTypeInterface $entity_type:

string $op:

string $action:

Return value

array

Overrides MultiversionMigrationInterface::getFieldMap

File

src/MultiversionMigration.php, line 212

Class

MultiversionMigration

Namespace

Drupal\multiversion

Code

public function getFieldMap(EntityTypeInterface $entity_type, $op, $action) {
  $map = [];

  // For some reasons it sometimes doesn't work if injecting the service.
  $entity_type_bundle_info = \Drupal::service('entity_type.bundle.info');
  $entity_type_bundle_info
    ->clearCachedBundles();
  $bundle_info = $entity_type_bundle_info
    ->getBundleInfo($entity_type
    ->id());
  foreach ($bundle_info as $bundle_id => $bundle_label) {

    // For some reasons it sometimes doesn't work if injecting the service.
    $entity_field_manager = \Drupal::service('entity_field.manager');
    $entity_field_manager
      ->clearCachedFieldDefinitions();
    $definitions = $entity_field_manager
      ->getFieldDefinitions($entity_type
      ->id(), $bundle_id);
    foreach ($definitions as $definition) {
      $name = $definition
        ->getName();

      // We don't want our own fields to be part of the migration mapping or
      // they would get assigned NULL instead of default values.
      if (!in_array($name, [
        'workspace',
        '_deleted',
        '_rev',
      ])) {
        $map[$name] = $name;
      }
    }
  }

  // @todo Implement hook/alter functionality here.
  if (MultiversionManager::OP_DISABLE == $op) {
    $parent_key = 'parent';
    if ('menu_link_content' == $entity_type
      ->id() && isset($map[$parent_key])) {
      $map[$parent_key] = [
        [
          'plugin' => 'splice',
          'delimiter' => ':',
          'source' => $parent_key,
          'strict' => FALSE,
          'slice' => 2,
        ],
      ];
    }
  }
  return $map;
}