CurrentUserContext.php in Zircon Profile 8

Contains \Drupal\user\ContextProvider\CurrentUserContext.

Namespace

Drupal\user\ContextProvider

File

core/modules/user/src/ContextProvider/CurrentUserContext.php

<?php

/**
 * @file
 * Contains \Drupal\user\ContextProvider\CurrentUserContext.
 */
namespace Drupal\user\ContextProvider;

use Drupal\Core\Cache\CacheableMetadata;
use Drupal\Core\Entity\EntityManagerInterface;
use Drupal\Core\Plugin\Context\Context;
use Drupal\Core\Plugin\Context\ContextDefinition;
use Drupal\Core\Plugin\Context\ContextProviderInterface;
use Drupal\Core\Session\AccountInterface;
use Drupal\Core\StringTranslation\StringTranslationTrait;

/**
 * Sets the current user as a context.
 */
class CurrentUserContext implements ContextProviderInterface {
  use StringTranslationTrait;

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

  /**
   * The user storage.
   *
   * @var \Drupal\user\UserStorageInterface
   */
  protected $userStorage;

  /**
   * Constructs a new CurrentUserContext.
   *
   * @param \Drupal\Core\Session\AccountInterface $account
   *   The current user.
   * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
   *   The entity manager.
   */
  public function __construct(AccountInterface $account, EntityManagerInterface $entity_manager) {
    $this->account = $account;
    $this->userStorage = $entity_manager
      ->getStorage('user');
  }

  /**
   * {@inheritdoc}
   */
  public function getRuntimeContexts(array $unqualified_context_ids) {
    $current_user = $this->userStorage
      ->load($this->account
      ->id());
    $context = new Context(new ContextDefinition('entity:user', $this
      ->t('Current user')), $current_user);
    $cacheability = new CacheableMetadata();
    $cacheability
      ->setCacheContexts([
      'user',
    ]);
    $context
      ->addCacheableDependency($cacheability);
    $result = [
      'current_user' => $context,
    ];
    return $result;
  }

  /**
   * {@inheritdoc}
   */
  public function getAvailableContexts() {
    return $this
      ->getRuntimeContexts([]);
  }

}

Classes

Name	Description
CurrentUserContext	Sets the current user as a context.