CleanPagerSubscriber.php in Clean Pagination 8

Fto redirects.

Namespace

Drupal\cleanpager\EventSubscriber

File

src/EventSubscriber/CleanPagerSubscriber.php

<?php

/**
 * @file
 * Fto redirects.
 */
namespace Drupal\cleanpager\EventSubscriber;

use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpKernel\KernelEvents;
use Symfony\Component\HttpKernel\Event\GetResponseEvent;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Drupal\Core\Path\PathMatcher;
define('CLEANPAGER_ADDITIONAL_PATH_VARIABLE', 'page');
class CleanPagerSubscriber implements EventSubscriberInterface {

  /**
   * {@inheritdoc}
   */
  static function getSubscribedEvents() {

    // Replace ?page=1 to /page/1.
    $events[KernelEvents::REQUEST][] = array(
      'checkForRedirection',
    );
    return $events;
  }
  public function checkForRedirection(GetResponseEvent $event) {
    global $_cleanpager_rewritten;
    $path = \Drupal::service('path.current')
      ->getPath();
    if ($path_length = strpos($path, '/page/')) {
      $path_test_part = substr($path, 0, $path_length);
    }
    else {
      $path_test_part = $path;
    }
    $pages = \Drupal::configFactory()
      ->get('cleanpager.settings')
      ->get('cleanpager_pages');
    if (\Drupal::service('path.matcher')
      ->matchPath($path_test_part, $pages)) {

      // Pass along additional query string values.
      $query_values = $_GET;
      if (isset($query_values['page']) && !empty($query_values['page']) && $_cleanpager_rewritten == FALSE) {
        $path .= '/page/' . $query_values['page'];
        if (\Drupal::configFactory()
          ->get('cleanpager.settings')
          ->get('cleanpager_add_trailing')) {
          $path .= '/';
        }
        unset($query_values['page']);
        if (isset($query_values['q'])) {
          unset($query_values['q']);
        }
        $options['query'] = $query_values;
        $path .= (strpos($path, '?') !== FALSE ? '&' : '?') . $this
          ->cleanPagerHttpBuildQuery($options['query']);
        unset($_GET['page']);
        header('Location: ' . $path, FALSE, 302);
        exit;
      }
    }
  }
  public function cleanPagerHttpBuildQuery(array $query, $parent = '') {
    $params = array();
    foreach ($query as $key => $value) {
      $key = $parent ? $parent . '[' . rawurlencode($key) . ']' : rawurlencode($key);

      // Recurse into children.
      if (is_array($value)) {
        $params[] = $this
          ->cleanPagerHttpBuildQuery($value, $key);
      }
      elseif (!isset($value)) {
        $params[] = $key;
      }
      else {

        // For better readability of paths in query strings, we decode slashes.
        $params[] = $key . '=' . str_replace('%2F', '/', rawurlencode($value));
      }
    }
    return implode('&', $params);
  }

}

Constants

Name	Description
CLEANPAGER_ADDITIONAL_PATH_VARIABLE

Classes

Name	Description
CleanPagerSubscriber