Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\rest\Plugin\Deriver;
Chris@0: 
Chris@0: use Drupal\Core\Entity\EntityManagerInterface;
Chris@0: use Drupal\Core\Plugin\Discovery\ContainerDeriverInterface;
Chris@0: use Symfony\Component\DependencyInjection\ContainerInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * Provides a resource plugin definition for every entity type.
Chris@0:  *
Chris@0:  * @see \Drupal\rest\Plugin\rest\resource\EntityResource
Chris@0:  */
Chris@0: class EntityDeriver implements ContainerDeriverInterface {
Chris@0: 
Chris@0:   /**
Chris@0:    * List of derivative definitions.
Chris@0:    *
Chris@0:    * @var array
Chris@0:    */
Chris@0:   protected $derivatives;
Chris@0: 
Chris@0:   /**
Chris@0:    * The entity manager.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\Entity\EntityManagerInterface
Chris@0:    */
Chris@0:   protected $entityManager;
Chris@0: 
Chris@0:   /**
Chris@0:    * Constructs an EntityDeriver object.
Chris@0:    *
Chris@0:    * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
Chris@0:    *   The entity manager.
Chris@0:    */
Chris@0:   public function __construct(EntityManagerInterface $entity_manager) {
Chris@0:     $this->entityManager = $entity_manager;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public static function create(ContainerInterface $container, $base_plugin_id) {
Chris@0:     return new static(
Chris@0:       $container->get('entity.manager')
Chris@0:     );
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getDerivativeDefinition($derivative_id, $base_plugin_definition) {
Chris@0:     if (!isset($this->derivatives)) {
Chris@0:       $this->getDerivativeDefinitions($base_plugin_definition);
Chris@0:     }
Chris@0:     if (isset($this->derivatives[$derivative_id])) {
Chris@0:       return $this->derivatives[$derivative_id];
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getDerivativeDefinitions($base_plugin_definition) {
Chris@0:     if (!isset($this->derivatives)) {
Chris@0:       // Add in the default plugin configuration and the resource type.
Chris@0:       foreach ($this->entityManager->getDefinitions() as $entity_type_id => $entity_type) {
Chris@14:         if ($entity_type->isInternal()) {
Chris@14:           continue;
Chris@14:         }
Chris@14: 
Chris@0:         $this->derivatives[$entity_type_id] = [
Chris@0:           'id' => 'entity:' . $entity_type_id,
Chris@0:           'entity_type' => $entity_type_id,
Chris@0:           'serialization_class' => $entity_type->getClass(),
Chris@0:           'label' => $entity_type->getLabel(),
Chris@0:         ];
Chris@0: 
Chris@0:         $default_uris = [
Chris@0:           'canonical' => "/entity/$entity_type_id/" . '{' . $entity_type_id . '}',
Chris@0:           'create' => "/entity/$entity_type_id",
Chris@0:         ];
Chris@0: 
Chris@0:         foreach ($default_uris as $link_relation => $default_uri) {
Chris@0:           // Check if there are link templates defined for the entity type and
Chris@0:           // use the path from the route instead of the default.
Chris@0:           if ($link_template = $entity_type->getLinkTemplate($link_relation)) {
Chris@0:             $this->derivatives[$entity_type_id]['uri_paths'][$link_relation] = $link_template;
Chris@0:           }
Chris@0:           else {
Chris@0:             $this->derivatives[$entity_type_id]['uri_paths'][$link_relation] = $default_uri;
Chris@0:           }
Chris@0:         }
Chris@0: 
Chris@0:         $this->derivatives[$entity_type_id] += $base_plugin_definition;
Chris@0:       }
Chris@0:     }
Chris@0:     return $this->derivatives;
Chris@0:   }
Chris@0: 
Chris@0: }