www.aleph1.co.uk Git - yaffs-website/blob - web/core/modules/rest/src/Plugin/Deriver/EntityDeriver.php

   1 <?php
   2
   3 namespace Drupal\rest\Plugin\Deriver;
   4
   5 use Drupal\Core\Entity\EntityManagerInterface;
   6 use Drupal\Core\Plugin\Discovery\ContainerDeriverInterface;
   7 use Symfony\Component\DependencyInjection\ContainerInterface;
   8
   9 /**
  10  * Provides a resource plugin definition for every entity type.
  11  *
  12  * @see \Drupal\rest\Plugin\rest\resource\EntityResource
  13  */
  14 class EntityDeriver implements ContainerDeriverInterface {
  15
  16   /**
  17    * List of derivative definitions.
  18    *
  19    * @var array
  20    */
  21   protected $derivatives;
  22
  23   /**
  24    * The entity manager.
  25    *
  26    * @var \Drupal\Core\Entity\EntityManagerInterface
  27    */
  28   protected $entityManager;
  29
  30   /**
  31    * Constructs an EntityDeriver object.
  32    *
  33    * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
  34    *   The entity manager.
  35    */
  36   public function __construct(EntityManagerInterface $entity_manager) {
  37     $this->entityManager = $entity_manager;
  38   }
  39
  40   /**
  41    * {@inheritdoc}
  42    */
  43   public static function create(ContainerInterface $container, $base_plugin_id) {
  44     return new static(
  45       $container->get('entity.manager')
  46     );
  47   }
  48
  49   /**
  50    * {@inheritdoc}
  51    */
  52   public function getDerivativeDefinition($derivative_id, $base_plugin_definition) {
  53     if (!isset($this->derivatives)) {
  54       $this->getDerivativeDefinitions($base_plugin_definition);
  55     }
  56     if (isset($this->derivatives[$derivative_id])) {
  57       return $this->derivatives[$derivative_id];
  58     }
  59   }
  60
  61   /**
  62    * {@inheritdoc}
  63    */
  64   public function getDerivativeDefinitions($base_plugin_definition) {
  65     if (!isset($this->derivatives)) {
  66       // Add in the default plugin configuration and the resource type.
  67       foreach ($this->entityManager->getDefinitions() as $entity_type_id => $entity_type) {
  68         $this->derivatives[$entity_type_id] = [
  69           'id' => 'entity:' . $entity_type_id,
  70           'entity_type' => $entity_type_id,
  71           'serialization_class' => $entity_type->getClass(),
  72           'label' => $entity_type->getLabel(),
  73         ];
  74
  75         $default_uris = [
  76           'canonical' => "/entity/$entity_type_id/" . '{' . $entity_type_id . '}',
  77           'create' => "/entity/$entity_type_id",
  78         ];
  79
  80         foreach ($default_uris as $link_relation => $default_uri) {
  81           // Check if there are link templates defined for the entity type and
  82           // use the path from the route instead of the default.
  83           if ($link_template = $entity_type->getLinkTemplate($link_relation)) {
  84             $this->derivatives[$entity_type_id]['uri_paths'][$link_relation] = $link_template;
  85           }
  86           else {
  87             $this->derivatives[$entity_type_id]['uri_paths'][$link_relation] = $default_uri;
  88           }
  89         }
  90
  91         $this->derivatives[$entity_type_id] += $base_plugin_definition;
  92       }
  93     }
  94     return $this->derivatives;
  95   }
  96
  97 }