Chris@14: <?php
Chris@14: 
Chris@14: namespace Drupal\media;
Chris@14: 
Chris@14: use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
Chris@14: use Drupal\Core\Entity\EntityTypeManagerInterface;
Chris@14: use Drupal\Core\StringTranslation\StringTranslationTrait;
Chris@14: use Symfony\Component\DependencyInjection\ContainerInterface;
Chris@14: 
Chris@14: /**
Chris@14:  * Provides dynamic permissions for each media type.
Chris@14:  */
Chris@14: class MediaPermissions implements ContainerInjectionInterface {
Chris@14: 
Chris@14:   use StringTranslationTrait;
Chris@14: 
Chris@14:   /**
Chris@14:    * The entity type manager service.
Chris@14:    *
Chris@14:    * @var \Drupal\Core\Entity\EntityTypeManagerInterface
Chris@14:    */
Chris@14:   protected $entityTypeManager;
Chris@14: 
Chris@14:   /**
Chris@14:    * MediaPermissions constructor.
Chris@14:    *
Chris@14:    * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
Chris@14:    *   The entity type manager service.
Chris@14:    */
Chris@14:   public function __construct(EntityTypeManagerInterface $entity_type_manager) {
Chris@14:     $this->entityTypeManager = $entity_type_manager;
Chris@14:   }
Chris@14: 
Chris@14:   /**
Chris@14:    * {@inheritdoc}
Chris@14:    */
Chris@14:   public static function create(ContainerInterface $container) {
Chris@14:     return new static($container->get('entity_type.manager'));
Chris@14:   }
Chris@14: 
Chris@14:   /**
Chris@14:    * Returns an array of media type permissions.
Chris@14:    *
Chris@14:    * @return array
Chris@14:    *   The media type permissions.
Chris@14:    *
Chris@14:    * @see \Drupal\user\PermissionHandlerInterface::getPermissions()
Chris@14:    */
Chris@14:   public function mediaTypePermissions() {
Chris@14:     $perms = [];
Chris@14:     // Generate media permissions for all media types.
Chris@14:     $media_types = $this->entityTypeManager
Chris@14:       ->getStorage('media_type')->loadMultiple();
Chris@14:     foreach ($media_types as $type) {
Chris@14:       $perms += $this->buildPermissions($type);
Chris@14:     }
Chris@14:     return $perms;
Chris@14:   }
Chris@14: 
Chris@14:   /**
Chris@14:    * Returns a list of media permissions for a given media type.
Chris@14:    *
Chris@14:    * @param \Drupal\media\MediaTypeInterface $type
Chris@14:    *   The media type.
Chris@14:    *
Chris@14:    * @return array
Chris@14:    *   An associative array of permission names and descriptions.
Chris@14:    */
Chris@14:   protected function buildPermissions(MediaTypeInterface $type) {
Chris@14:     $type_id = $type->id();
Chris@14:     $type_params = ['%type_name' => $type->label()];
Chris@14: 
Chris@14:     return [
Chris@14:       "create $type_id media" => [
Chris@14:         'title' => $this->t('%type_name: Create new media', $type_params),
Chris@14:       ],
Chris@14:       "edit own $type_id media" => [
Chris@14:         'title' => $this->t('%type_name: Edit own media', $type_params),
Chris@14:       ],
Chris@14:       "edit any $type_id media" => [
Chris@14:         'title' => $this->t('%type_name: Edit any media', $type_params),
Chris@14:       ],
Chris@14:       "delete own $type_id media" => [
Chris@14:         'title' => $this->t('%type_name: Delete own media', $type_params),
Chris@14:       ],
Chris@14:       "delete any $type_id media" => [
Chris@14:         'title' => $this->t('%type_name: Delete any media', $type_params),
Chris@14:       ],
Chris@14:     ];
Chris@14:   }
Chris@14: 
Chris@14: }