diff core/modules/jsonapi/src/Controller/EntryPoint.php @ 5:12f9dff5fda9 tip

Update to Drupal core 8.7.1

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/jsonapi/src/Controller/EntryPoint.php	Thu May 09 15:34:47 2019 +0100
@@ -0,0 +1,123 @@
+<?php
+
+namespace Drupal\jsonapi\Controller;
+
+use Drupal\Core\Cache\CacheableMetadata;
+use Drupal\Core\Controller\ControllerBase;
+use Drupal\Core\Session\AccountInterface;
+use Drupal\Core\Url;
+use Drupal\jsonapi\JsonApiResource\JsonApiDocumentTopLevel;
+use Drupal\jsonapi\JsonApiResource\LinkCollection;
+use Drupal\jsonapi\JsonApiResource\NullIncludedData;
+use Drupal\jsonapi\JsonApiResource\Link;
+use Drupal\jsonapi\JsonApiResource\ResourceObjectData;
+use Drupal\jsonapi\ResourceResponse;
+use Drupal\jsonapi\ResourceType\ResourceType;
+use Drupal\jsonapi\ResourceType\ResourceTypeRepositoryInterface;
+use Drupal\user\Entity\User;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\Routing\Exception\RouteNotFoundException;
+
+/**
+ * Controller for the API entry point.
+ *
+ * @internal JSON:API maintains no PHP API. The API is the HTTP API. This class
+ *   may change at any time and could break any dependencies on it.
+ *
+ * @see https://www.drupal.org/project/jsonapi/issues/3032787
+ * @see jsonapi.api.php
+ */
+class EntryPoint extends ControllerBase {
+
+  /**
+   * The JSON:API resource type repository.
+   *
+   * @var \Drupal\jsonapi\ResourceType\ResourceTypeRepositoryInterface
+   */
+  protected $resourceTypeRepository;
+
+  /**
+   * The account object.
+   *
+   * @var \Drupal\Core\Session\AccountInterface
+   */
+  protected $user;
+
+  /**
+   * EntryPoint constructor.
+   *
+   * @param \Drupal\jsonapi\ResourceType\ResourceTypeRepositoryInterface $resource_type_repository
+   *   The resource type repository.
+   * @param \Drupal\Core\Session\AccountInterface $user
+   *   The current user.
+   */
+  public function __construct(ResourceTypeRepositoryInterface $resource_type_repository, AccountInterface $user) {
+    $this->resourceTypeRepository = $resource_type_repository;
+    $this->user = $user;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    return new static(
+      $container->get('jsonapi.resource_type.repository'),
+      $container->get('current_user')
+    );
+  }
+
+  /**
+   * Controller to list all the resources.
+   *
+   * @return \Drupal\jsonapi\ResourceResponse
+   *   The response object.
+   */
+  public function index() {
+    $cacheability = (new CacheableMetadata())
+      ->addCacheContexts(['user.roles:authenticated'])
+      ->addCacheTags(['jsonapi_resource_types']);
+
+    // Only build URLs for exposed resources.
+    $resources = array_filter($this->resourceTypeRepository->all(), function ($resource) {
+      return !$resource->isInternal();
+    });
+
+    $self_link = new Link(new CacheableMetadata(), Url::fromRoute('jsonapi.resource_list'), ['self']);
+    $urls = array_reduce($resources, function (LinkCollection $carry, ResourceType $resource_type) {
+      if ($resource_type->isLocatable() || $resource_type->isMutable()) {
+        $route_suffix = $resource_type->isLocatable() ? 'collection' : 'collection.post';
+        $url = Url::fromRoute(sprintf('jsonapi.%s.%s', $resource_type->getTypeName(), $route_suffix))->setAbsolute();
+        // @todo: implement an extension relation type to signal that this is a primary collection resource.
+        $link_relation_types = [];
+        return $carry->withLink($resource_type->getTypeName(), new Link(new CacheableMetadata(), $url, $link_relation_types));
+      }
+      return $carry;
+    }, new LinkCollection(['self' => $self_link]));
+
+    $meta = [];
+    if ($this->user->isAuthenticated()) {
+      $current_user_uuid = User::load($this->user->id())->uuid();
+      $meta['links']['me'] = ['meta' => ['id' => $current_user_uuid]];
+      $cacheability->addCacheContexts(['user']);
+      try {
+        $me_url = Url::fromRoute(
+          'jsonapi.user--user.individual',
+          ['entity' => $current_user_uuid]
+        )
+          ->setAbsolute()
+          ->toString(TRUE);
+        $meta['links']['me']['href'] = $me_url->getGeneratedUrl();
+        // The cacheability of the `me` URL is the cacheability of that URL
+        // itself and the currently authenticated user.
+        $cacheability = $cacheability->merge($me_url);
+      }
+      catch (RouteNotFoundException $e) {
+        // Do not add the link if the route is disabled or marked as internal.
+      }
+    }
+
+    $response = new ResourceResponse(new JsonApiDocumentTopLevel(new ResourceObjectData([]), new NullIncludedData(), $urls, $meta));
+    return $response->addCacheableDependency($cacheability);
+  }
+
+}