function D6NodeDeriver::getDerivativeDefinitions

Overrides DeriverBase::getDerivativeDefinitions

File

core/modules/node/src/Plugin/migrate/D6NodeDeriver.php, line 73

Class

D6NodeDeriver

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

Namespace

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'] = $this->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;
}