FieldUiPermissions.php

<?php

namespace Drupal\field_ui;

use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\StringTranslation\StringTranslationTrait;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Provides dynamic permissions of the field_ui module.
 */
class FieldUiPermissions implements ContainerInjectionInterface {
    use StringTranslationTrait;
    
    /**
     * The entity type manager.
     *
     * @var \Drupal\Core\Entity\EntityTypeManagerInterface
     */
    protected $entityTypeManager;
    
    /**
     * Constructs a new FieldUiPermissions instance.
     *
     * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
     *   The entity type manager.
     */
    public function __construct(EntityTypeManagerInterface $entity_type_manager) {
        $this->entityTypeManager = $entity_type_manager;
    }
    
    /**
     * {@inheritdoc}
     */
    public static function create(ContainerInterface $container) {
        return new static($container->get('entity_type.manager'));
    }
    
    /**
     * Returns an array of field UI permissions.
     *
     * @return array
     */
    public function fieldPermissions() {
        $permissions = [];
        foreach ($this->entityTypeManager
            ->getDefinitions() as $entity_type_id => $entity_type) {
            if ($entity_type->get('field_ui_base_route')) {
                // The permissions depend on the module that provides the entity.
                $dependencies = [
                    'module' => [
                        $entity_type->getProvider(),
                    ],
                ];
                // Create a permission for each fieldable entity to manage
                // the fields and the display.
                $permissions['administer ' . $entity_type_id . ' fields'] = [
                    'title' => $this->t('%entity_label: Administer fields', [
                        '%entity_label' => $entity_type->getLabel(),
                    ]),
                    'restrict access' => TRUE,
                    'dependencies' => $dependencies,
                ];
                $permissions['administer ' . $entity_type_id . ' form display'] = [
                    'title' => $this->t('%entity_label: Administer form display', [
                        '%entity_label' => $entity_type->getLabel(),
                    ]),
                    'dependencies' => $dependencies,
                ];
                $permissions['administer ' . $entity_type_id . ' display'] = [
                    'title' => $this->t('%entity_label: Administer display', [
                        '%entity_label' => $entity_type->getLabel(),
                    ]),
                    'dependencies' => $dependencies,
                ];
            }
        }
        return $permissions;
    }

}