public function D6NodeDeriver::getDerivativeDefinitions in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/node/src/Plugin/migrate/D6NodeDeriver.php \Drupal\node\Plugin\migrate\D6NodeDeriver::getDerivativeDefinitions()

Gets the definition of all derivatives of a base plugin.

Parameters

array $base_plugin_definition: The definition array of the base plugin.

Return value

array An array of full derivative definitions keyed on derivative id.

Overrides DeriverBase::getDerivativeDefinitions

See also

getDerivativeDefinition()

File

core/modules/node/src/Plugin/migrate/D6NodeDeriver.php, line 71

Class

D6NodeDeriver

Deriver for Drupal 6 node and node revision migrations based on node types.

Namespace

Drupal\node\Plugin\migrate

Code

public function getDerivativeDefinitions($base_plugin_definition) {
  if ($base_plugin_definition['id'] == 'd6_node_translation' && !$this->includeTranslations) {

    // Refuse to generate anything.
    return $this->derivatives;
  }
  $node_types = static::getSourcePlugin('d6_node_type');
  try {
    $node_types
      ->checkRequirements();
  } catch (RequirementsException $e) {

    // If the d6_node_type requirements failed, that means we do not have a
    // Drupal source database configured - there is nothing to generate.
    return $this->derivatives;
  }
  try {
    foreach ($node_types as $row) {
      $node_type = $row
        ->getSourceProperty('type');
      $values = $base_plugin_definition;
      $values['label'] = t("@label (@type)", [
        '@label' => $values['label'],
        '@type' => $node_type,
      ]);
      $values['source']['node_type'] = $node_type;
      $values['destination']['default_bundle'] = $node_type;

      // If this migration is based on the d6_node_revision migration or
      // is for translations of nodes, it should explicitly depend on the
      // corresponding d6_node variant.
      if (in_array($base_plugin_definition['id'], [
        'd6_node_revision',
        'd6_node_translation',
      ])) {
        $values['migration_dependencies']['required'][] = 'd6_node:' . $node_type;
      }

      /** @var \Drupal\migrate\Plugin\Migration $migration */
      $migration = \Drupal::service('plugin.manager.migration')
        ->createStubMigration($values);
      $this->fieldDiscovery
        ->addBundleFieldProcesses($migration, 'node', $node_type);
      $this->derivatives[$node_type] = $migration
        ->getPluginDefinition();
    }
  } catch (DatabaseExceptionWrapper $e) {

    // Once we begin iterating the source plugin it is possible that the
    // source tables will not exist. This can happen when the
    // MigrationPluginManager gathers up the migration definitions but we do
    // not actually have a Drupal 6 source database.
  }
  return $this->derivatives;
}