entity_agree-2.0.x-dev/src/Plugin/entity_agree/AgreementHandler/RoleApplies.php

<?php

namespace Drupal\entity_agree\Plugin\entity_agree\AgreementHandler;

use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\entity_agree\AgreementHandlerAppliesInterface;
use Drupal\entity_agree\AgreementHandlerPluginBase;
use Drupal\user\RoleInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Plugin to determine if agreement applies to roles.
 *
 * @AgreementHandler(
 *   id = "entity_agree_roles_apply",
 *   label = @Translation("Roles"),
 *   category = @Translation("Applies"),
 * )
 */
class RoleApplies extends AgreementHandlerPluginBase implements AgreementHandlerAppliesInterface, ContainerFactoryPluginInterface {

  /**
   * The current user.
   *
   * @var \Drupal\Core\Session\AccountInterface
   */
  protected $currentUser;

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

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

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

    $form['roles'] = [
      '#type' => 'checkboxes',
      '#title' => $this->t('Roles'),
      '#options' => array_map(function (RoleInterface $role) {
        return $role->label();
      }, user_roles(TRUE)),
      '#default_value' => $this->configuration['roles'] ?? [],
    ];

    $form['negate'] = [
      '#type' => 'checkbox',
      '#title' => $this->t('Negate'),
      '#default_value' => $this->configuration['negate'],
    ];

    $form['conjunction'] = [
      '#type' => 'select',
      '#title' => $this->t('Conjunction'),
      '#options' => [
        'all' => $this->t('All'),
        'any' => $this->t('Any'),
      ],
      '#default_value' => $this->configuration['conjunction'],
    ];

    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function applies() {
    if ($this->configuration['conjunction'] == 'any') {
      $result = !empty(array_intersect($this->configuration['roles'], $this->currentUser->getRoles()));
    }
    else {
      $result = !empty(array_diff($this->configuration['roles'], $this->currentUser->getRoles()));
    }

    return $result xor $this->configuration['negate'];
  }

}