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Migrate process plugin: entity_lookup
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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\migrate_entity_lookup\Plugin\migrate\process\EntityLookup. | |
| */ | |
| namespace Drupal\migrate_entity_lookup\Plugin\migrate\process; | |
| use Drupal\migrate\ProcessPluginBase; | |
| use Drupal\migrate\MigrateException; | |
| use Drupal\migrate\MigrateExecutableInterface; | |
| use Drupal\migrate\Row; | |
| use Drupal\Core\Entity\EntityTypeManagerInterface; | |
| use Drupal\Core\Plugin\ContainerFactoryPluginInterface; | |
| use Symfony\Component\DependencyInjection\ContainerInterface; | |
| /** | |
| * This plugin changes the current value by using it for an entity property search | |
| * and returning an entity id. | |
| * | |
| * @MigrateProcessPlugin( | |
| * id = "entity_lookup" | |
| * ) | |
| */ | |
| class EntityLookup extends ProcessPluginBase implements ContainerFactoryPluginInterface { | |
| /** | |
| * The entity type manager. | |
| * | |
| * @var \Drupal\Core\Entity\EntityTypeManagerInterface | |
| */ | |
| protected $entityTypeManager; | |
| /** | |
| * Constructs an EntityLookup object. | |
| * | |
| * @param array $configuration | |
| * A configuration array containing information about the plugin instance. | |
| * @param string $plugin_id | |
| * The plugin_id for the plugin instance. | |
| * @param mixed $plugin_definition | |
| * The plugin implementation definition. | |
| * @param array $entity_type_manager | |
| * The entity type manager. | |
| */ | |
| public function __construct(array $configuration, $plugin_id, $plugin_definition, EntityTypeManagerInterface $entity_type_manager) { | |
| parent::__construct($configuration, $plugin_id, $plugin_definition); | |
| $this->entityTypeManager = $entity_type_manager; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) { | |
| return new static( | |
| $configuration, | |
| $plugin_id, | |
| $plugin_definition, | |
| $container->get('entity_type.manager') | |
| ); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function transform($value, MigrateExecutableInterface $migrate_executable, Row $row, $destination_property) { | |
| if (empty($value)) { | |
| // @todo: allow a default_value if nothing in source. | |
| return null; | |
| } | |
| else { | |
| $storage = $this->entityTypeManager->getStorage($this->configuration['entity_type']); | |
| $query = $storage->getQuery(); | |
| $entity_ids = $query->condition($this->configuration['property'], $value)->range(0, 1)->execute(); | |
| // drush_print_r(array($this->configuration['entity_type'], $this->configuration['property'], $value, $entity_ids)); | |
| if (count($entity_ids)) { | |
| return reset($entity_ids); | |
| } | |
| else { | |
| // @todo: Return a default value if failed to retrieve one. | |
| return null; | |
| } | |
| } | |
| } | |
| } |
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| process: | |
| field_dest: | |
| plugin: entity_lookup | |
| source: source_field | |
| entity_type: taxonomy_term | |
| property: name |
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