public function D7FieldGroupDeriver::getDerivativeDefinitions in Field Group 8.3

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

contrib/field_group_migrate/src/Plugin/migrate/D7FieldGroupDeriver.php, line 25

Class

D7FieldGroupDeriver

Derives Drupal 7 field group migrations per entity type and bundle.

Namespace

Drupal\field_group_migrate\Plugin\migrate

Code

public function getDerivativeDefinitions($base_plugin_definition) {
  $field_group_source = static::getSourcePlugin('d7_field_group');
  try {
    $field_group_source
      ->checkRequirements();
  } catch (RequirementsException $e) {

    // The requirements of the "d7_field_group" source plugin can fail if:
    // - The source database is not configured or it isn't a Drupal 7 DB.
    // - The Field Group module is not enabled on the source Drupal instance.
    return $this->derivatives;
  }
  assert($field_group_source instanceof DrupalSqlBase);
  try {
    foreach ($field_group_source as $field_group_row) {
      assert($field_group_row instanceof Row);
      [
        'entity_type' => $entity_type,
        'bundle' => $bundle,
      ] = $field_group_row
        ->getSource();
      $derivative_id = implode(PluginBase::DERIVATIVE_SEPARATOR, [
        $entity_type,
        $bundle,
      ]);
      if (!empty($this->derivatives[$derivative_id])) {
        continue;
      }
      $derivative_definition = $base_plugin_definition;
      $derivative_definition['source']['entity_type'] = $entity_type;
      $derivative_definition['source']['bundle'] = $bundle;
      $derivative_definition['label'] = $this
        ->t('@label of @entity_type (bundle: @bundle)', [
        '@label' => $derivative_definition['label'],
        '@entity_type' => $entity_type,
        '@bundle' => $bundle,
      ]);
      $this->derivatives[$derivative_id] = $derivative_definition;
    }
  } 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 7 source database.
  }
  return $this->derivatives;
}