Mercurial > hg > isophonics-drupal-site
view core/lib/Drupal/Core/ParamConverter/EntityRevisionParamConverter.php @ 0:4c8ae668cc8c
Initial import (non-working)
author | Chris Cannam |
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date | Wed, 29 Nov 2017 16:09:58 +0000 |
parents | |
children | af1871eacc83 |
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<?php namespace Drupal\Core\ParamConverter; use Drupal\Core\Entity\EntityRepositoryInterface; use Drupal\Core\Entity\EntityTypeManagerInterface; use Symfony\Component\Routing\Route; /** * Parameter converter for upcasting entity revision IDs to full objects. * * This is useful for pages which want to show a specific revision, like * "/entity_example/{entity_example}/revision/{entity_example_revision}". * * * In order to use it you should specify some additional options in your route: * @code * example.route: * path: /foo/{entity_example_revision} * options: * parameters: * entity_example_revision: * type: entity_revision:entity_example * @endcode */ class EntityRevisionParamConverter implements ParamConverterInterface { /** * The entity type manager. * * @var \Drupal\Core\Entity\EntityTypeManagerInterface */ protected $entityTypeManager; /** * The entity repository. * * @var \Drupal\Core\Entity\EntityRepositoryInterface */ protected $entityRepository; /** * Creates a new EntityRevisionParamConverter instance. * * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager * The entity type manager. * @param \Drupal\Core\Entity\EntityRepositoryInterface $entity_repository * The entity repository. */ public function __construct(EntityTypeManagerInterface $entity_type_manager, EntityRepositoryInterface $entity_repository) { $this->entityTypeManager = $entity_type_manager; $this->entityRepository = $entity_repository; } /** * {@inheritdoc} */ public function convert($value, $definition, $name, array $defaults) { list (, $entity_type_id) = explode(':', $definition['type'], 2); $entity = $this->entityTypeManager->getStorage($entity_type_id)->loadRevision($value); return $this->entityRepository->getTranslationFromContext($entity); } /** * {@inheritdoc} */ public function applies($definition, $name, Route $route) { return isset($definition['type']) && strpos($definition['type'], 'entity_revision:') !== FALSE; } }