apigee_m10n-8.x-1.7/src/Cache/DeveloperCacheContext.php

<?php

/*
 * Copyright 2018 Google Inc.
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License version 2 as published by the
 * Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
 * License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc., 51
 * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

namespace Drupal\apigee_m10n\Cache;

use Drupal\Core\Cache\CacheableMetadata;
use Drupal\Core\Cache\Context\CacheContextInterface;
use Drupal\Core\Cache\Context\RequestStackCacheContextBase;
use Drupal\user\UserInterface;

/**
 * Defines the DeveloperCacheContext service, for "per URL developer" caching.
 *
 * Cache context ID: 'url.developer'.
 */
class DeveloperCacheContext extends RequestStackCacheContextBase implements CacheContextInterface {

  /**
   * {@inheritdoc}
   */
  public static function getLabel() {
    return t('Developer');
  }

  /**
   * {@inheritdoc}
   */
  public function getContext() {
    $user = ($request = $this->requestStack->getCurrentRequest()) ? $request->get('user') : NULL;
    return (string) ($user instanceof UserInterface ? $user->id() : $user);
  }

  /**
   * {@inheritdoc}
   */
  public function getCacheableMetadata() {
    return new CacheableMetadata();
  }

}