Version 1

[yaffs-website] / web / core / modules / serialization / src / Normalizer / EntityNormalizer.php

diff --git a/web/core/modules/serialization/src/Normalizer/EntityNormalizer.php b/web/core/modules/serialization/src/Normalizer/EntityNormalizer.php
new file mode 100644 (file)
index 0000000..84baec9
--- /dev/null
+++ b/web/core/modules/serialization/src/Normalizer/EntityNormalizer.php
@@ -0,0 +1,65 @@
+<?php
+
+namespace Drupal\serialization\Normalizer;
+
+use Drupal\Core\Entity\EntityInterface;
+use Drupal\Core\Entity\EntityManagerInterface;
+use Drupal\Core\Entity\FieldableEntityInterface;
+use Symfony\Component\Serializer\Normalizer\DenormalizerInterface;
+
+/**
+ * Normalizes/denormalizes Drupal entity objects into an array structure.
+ */
+class EntityNormalizer extends ComplexDataNormalizer implements DenormalizerInterface {
+
+  use FieldableEntityNormalizerTrait;
+
+  /**
+   * The interface or class that this Normalizer supports.
+   *
+   * @var array
+   */
+  protected $supportedInterfaceOrClass = [EntityInterface::class];
+
+  /**
+   * Constructs an EntityNormalizer object.
+   *
+   * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
+   *   The entity manager.
+   */
+  public function __construct(EntityManagerInterface $entity_manager) {
+    $this->entityManager = $entity_manager;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function denormalize($data, $class, $format = NULL, array $context = []) {
+    $entity_type_id = $this->determineEntityTypeId($class, $context);
+    $entity_type_definition = $this->getEntityTypeDefinition($entity_type_id);
+
+    // The bundle property will be required to denormalize a bundleable
+    // fieldable entity.
+    if ($entity_type_definition->hasKey('bundle') && $entity_type_definition->isSubclassOf(FieldableEntityInterface::class)) {
+      // Get an array containing the bundle only. This also remove the bundle
+      // key from the $data array.
+      $bundle_data = $this->extractBundleData($data, $entity_type_definition);
+
+      // Create the entity from bundle data only, then apply field values after.
+      $entity = $this->entityManager->getStorage($entity_type_id)->create($bundle_data);
+
+      $this->denormalizeFieldData($data, $entity, $format, $context);
+    }
+    else {
+      // Create the entity from all data.
+      $entity = $this->entityManager->getStorage($entity_type_id)->create($data);
+    }
+
+    // Pass the names of the fields whose values can be merged.
+    // @todo https://www.drupal.org/node/2456257 remove this.
+    $entity->_restSubmittedFields = array_keys($data);
+
+    return $entity;
+  }
+
+}