Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\user\Plugin\Action;
Chris@0: 
Chris@0: use Drupal\Core\Action\ConfigurableActionBase;
Chris@0: use Drupal\Core\Entity\DependencyTrait;
Chris@0: use Drupal\Core\Entity\EntityTypeInterface;
Chris@0: use Drupal\Core\Form\FormStateInterface;
Chris@0: use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
Chris@0: use Drupal\Core\Session\AccountInterface;
Chris@0: use Drupal\user\RoleInterface;
Chris@0: use Symfony\Component\DependencyInjection\ContainerInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * Provides a base class for operations to change a user's role.
Chris@0:  */
Chris@0: abstract class ChangeUserRoleBase extends ConfigurableActionBase implements ContainerFactoryPluginInterface {
Chris@0: 
Chris@0:   use DependencyTrait;
Chris@0: 
Chris@0:   /**
Chris@0:    * The user role entity type.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\Entity\EntityTypeInterface
Chris@0:    */
Chris@0:   protected $entityType;
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function __construct(array $configuration, $plugin_id, $plugin_definition, EntityTypeInterface $entity_type) {
Chris@0:     parent::__construct($configuration, $plugin_id, $plugin_definition);
Chris@0:     $this->entityType = $entity_type;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
Chris@0:     return new static(
Chris@0:       $configuration,
Chris@0:       $plugin_id,
Chris@0:       $plugin_definition,
Chris@0:       $container->get('entity.manager')->getDefinition('user_role')
Chris@0:     );
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function defaultConfiguration() {
Chris@0:     return [
Chris@0:       'rid' => '',
Chris@0:     ];
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
Chris@0:     $roles = user_role_names(TRUE);
Chris@0:     unset($roles[RoleInterface::AUTHENTICATED_ID]);
Chris@0:     $form['rid'] = [
Chris@0:       '#type' => 'radios',
Chris@0:       '#title' => t('Role'),
Chris@0:       '#options' => $roles,
Chris@0:       '#default_value' => $this->configuration['rid'],
Chris@0:       '#required' => TRUE,
Chris@0:     ];
Chris@0:     return $form;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
Chris@0:     $this->configuration['rid'] = $form_state->getValue('rid');
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function calculateDependencies() {
Chris@0:     if (!empty($this->configuration['rid'])) {
Chris@0:       $prefix = $this->entityType->getConfigPrefix() . '.';
Chris@0:       $this->addDependency('config', $prefix . $this->configuration['rid']);
Chris@0:     }
Chris@0:     return $this->dependencies;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function access($object, AccountInterface $account = NULL, $return_as_object = FALSE) {
Chris@0:     /** @var \Drupal\user\UserInterface $object */
Chris@0:     $access = $object->access('update', $account, TRUE)
Chris@0:       ->andIf($object->roles->access('edit', $account, TRUE));
Chris@0: 
Chris@0:     return $return_as_object ? $access : $access->isAllowed();
Chris@0:   }
Chris@0: 
Chris@0: }