contacts_events-8.x-1.x-dev/src/Plugin/Commerce/Condition/CurrentUserRole.php

<?php

namespace Drupal\contacts_events\Plugin\Commerce\Condition;

use Drupal\commerce\Plugin\Commerce\Condition\ConditionBase;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\Core\Session\AccountProxyInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Provides the customer role condition for orders.
 *
 * @CommerceCondition(
 *   id = "current_user_role",
 *   label = @Translation("Current user role"),
 *   category = @Translation("Current user"),
 *   entity_type = "commerce_order",
 *   weight = -1,
 * )
 */
class CurrentUserRole extends ConditionBase implements ContainerFactoryPluginInterface {

  /**
   * CurrentUserRole constructor.
   *
   * @param array $configuration
   *   The plugin configuration.
   * @param string $plugin_id
   *   The plugin ID.
   * @param mixed $plugin_definition
   *   The plugin definition.
   * @param \Drupal\Core\Session\AccountProxyInterface $current_user
   *   The current user.
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, AccountProxyInterface $current_user) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);
    $this->currentUser = $current_user;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static(
      $configuration,
      $plugin_id,
      $plugin_definition,
      $container->get('current_user')
    );
  }

  /**
   * {@inheritdoc}
   */
  public function defaultConfiguration() {
    return [
      'roles' => [],
    ] + parent::defaultConfiguration();
  }

  /**
   * {@inheritdoc}
   */
  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
    $form = parent::buildConfigurationForm($form, $form_state);

    $form['roles'] = [
      '#type' => 'checkboxes',
      '#title' => $this->t('Allowed roles'),
      '#default_value' => $this->configuration['roles'],
      '#options' => array_map('\Drupal\Component\Utility\Html::escape', user_role_names()),
      '#required' => TRUE,
    ];

    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
    parent::submitConfigurationForm($form, $form_state);

    $values = $form_state->getValue($form['#parents']);
    $this->configuration['roles'] = array_filter($values['roles']);
  }

  /**
   * {@inheritdoc}
   */
  public function evaluate(EntityInterface $entity) {
    $this->assertEntity($entity);
    return (bool) array_intersect($this->configuration['roles'], $this->currentUser->getRoles());
  }

}