ExcludePages.php in Advanced Page Expiration 8

Namespace

Drupal\ape\PageCache

File

src/PageCache/ExcludePages.php

<?php

namespace Drupal\ape\PageCache;

use Drupal\Component\Plugin\Factory\FactoryInterface;
use Drupal\Core\Config\ConfigFactoryInterface;
use Drupal\Core\PageCache\ResponsePolicyInterface;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;

/**
 * Cache policy that denies caching if the page matches a list of exclusions.
 *
 * This is in the response policy rather than request policy because a request
 * stack needs to be in place for the RequestPath plugin.
 */
class ExcludePages implements ResponsePolicyInterface {

  /**
   * A config object for the system performance configuration.
   *
   * @var \Drupal\Core\Config\Config
   */
  protected $config;

  /**
   * Condition plugin manager.
   *
   * @var \Drupal\Component\Plugin\Factory\FactoryInterface $plugin_factory
   *   Factory for condition plugin manager.
   */
  protected $conditionManager;
  public function __construct(ConfigFactoryInterface $config_factory, FactoryInterface $plugin_factory) {
    $this->config = $config_factory
      ->get('ape.settings');
    $this->conditionManager = $plugin_factory;
  }

  /**
   * {@inheritdoc}
   */
  public function check(Response $response, Request $request) {

    /* @var \Drupal\system\Plugin\Condition\RequestPath $condition */
    $condition = $this->conditionManager
      ->createInstance('request_path');
    $condition
      ->setConfig('pages', $this->config
      ->get('exclusions'));
    if (!empty($this->config
      ->get('exclusions')) && $condition
      ->evaluate()) {
      return static::DENY;
    }
  }

}

Classes

Name	Description
ExcludePages	Cache policy that denies caching if the page matches a list of exclusions.