Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\Core\Entity;
Chris@0: 
Chris@0: use Drupal\Core\Access\AccessResult;
Chris@0: use Drupal\Core\Routing\Access\AccessInterface;
Chris@0: use Drupal\Core\Routing\RouteMatchInterface;
Chris@0: use Drupal\Core\Session\AccountInterface;
Chris@0: use Symfony\Component\Routing\Route;
Chris@0: 
Chris@0: /**
Chris@0:  * Defines an access checker for creating an entity of any bundle.
Chris@0:  */
Chris@0: class EntityCreateAnyAccessCheck implements AccessInterface {
Chris@0: 
Chris@0:   /**
Chris@0:    * The entity type manager.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\Entity\EntityTypeManagerInterface
Chris@0:    */
Chris@0:   protected $entityTypeManager;
Chris@0: 
Chris@0:   /**
Chris@0:    * The entity type bundle info.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\Entity\EntityTypeBundleInfoInterface
Chris@0:    */
Chris@0:   protected $entityTypeBundleInfo;
Chris@0: 
Chris@0:   /**
Chris@0:    * The key used by the routing requirement.
Chris@0:    *
Chris@0:    * @var string
Chris@0:    */
Chris@0:   protected $requirementsKey = '_entity_create_any_access';
Chris@0: 
Chris@0:   /**
Chris@0:    * Constructs a EntityCreateAnyAccessCheck object.
Chris@0:    *
Chris@0:    * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
Chris@0:    *   The entity type manager.
Chris@0:    * @param \Drupal\Core\Entity\EntityTypeBundleInfoInterface $entity_type_bundle_info
Chris@0:    *   The entity type bundle info.
Chris@0:    */
Chris@0:   public function __construct(EntityTypeManagerInterface $entity_type_manager, EntityTypeBundleInfoInterface $entity_type_bundle_info) {
Chris@0:     $this->entityTypeManager = $entity_type_manager;
Chris@0:     $this->entityTypeBundleInfo = $entity_type_bundle_info;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Checks access to create an entity of any bundle for the given route.
Chris@0:    *
Chris@0:    * @param \Symfony\Component\Routing\Route $route
Chris@0:    *   The route to check against.
Chris@0:    * @param \Drupal\Core\Routing\RouteMatchInterface $route_match
Chris@0:    *   The parameterized route.
Chris@0:    * @param \Drupal\Core\Session\AccountInterface $account
Chris@0:    *   The currently logged in account.
Chris@0:    *
Chris@0:    * @return \Drupal\Core\Access\AccessResultInterface
Chris@0:    *   The access result.
Chris@0:    */
Chris@0:   public function access(Route $route, RouteMatchInterface $route_match, AccountInterface $account) {
Chris@0:     $entity_type_id = $route->getRequirement($this->requirementsKey);
Chris@0:     $entity_type = $this->entityTypeManager->getDefinition($entity_type_id);
Chris@0:     $access_control_handler = $this->entityTypeManager->getAccessControlHandler($entity_type_id);
Chris@0: 
Chris@0:     // In case there is no "bundle" entity key, check create access with no
Chris@0:     // bundle specified.
Chris@0:     if (!$entity_type->hasKey('bundle')) {
Chris@0:       return $access_control_handler->createAccess(NULL, $account, [], TRUE);
Chris@0:     }
Chris@0: 
Chris@0:     $access = AccessResult::neutral();
Chris@0:     $bundles = array_keys($this->entityTypeBundleInfo->getBundleInfo($entity_type_id));
Chris@0: 
Chris@0:     // Include list cache tag as access might change if more bundles are added.
Chris@0:     if ($entity_type->getBundleEntityType()) {
Chris@0:       $access->addCacheTags($this->entityTypeManager->getDefinition($entity_type->getBundleEntityType())->getListCacheTags());
Chris@0: 
Chris@17:       if (empty($route->getOption('_ignore_create_bundle_access'))) {
Chris@17:         // Check if the user is allowed to create new bundles. If so, allow
Chris@17:         // access, so the add page can show a link to create one.
Chris@17:         // @see \Drupal\Core\Entity\Controller\EntityController::addPage()
Chris@17:         $bundle_access_control_handler = $this->entityTypeManager->getAccessControlHandler($entity_type->getBundleEntityType());
Chris@17:         $access = $access->orIf($bundle_access_control_handler->createAccess(NULL, $account, [], TRUE));
Chris@17:         if ($access->isAllowed()) {
Chris@17:           return $access;
Chris@17:         }
Chris@0:       }
Chris@0:     }
Chris@0: 
Chris@0:     // Check whether an entity of any bundle may be created.
Chris@0:     foreach ($bundles as $bundle) {
Chris@0:       $access = $access->orIf($access_control_handler->createAccess($bundle, $account, [], TRUE));
Chris@0:       // In case there is a least one bundle user can create entities for,
Chris@0:       // access is allowed.
Chris@0:       if ($access->isAllowed()) {
Chris@0:         break;
Chris@0:       }
Chris@0:     }
Chris@0: 
Chris@0:     return $access;
Chris@0:   }
Chris@0: 
Chris@0: }