RenameAdminPathsEventSubscriber.php in Rename Admin Paths 8.2

Namespace

Drupal\rename_admin_paths\EventSubscriber

File

src/EventSubscriber/RenameAdminPathsEventSubscriber.php

<?php

namespace Drupal\rename_admin_paths\EventSubscriber;

use Drupal\Core\Routing\RouteBuildEvent;
use Drupal\Core\Routing\RoutingEvents;
use Drupal\rename_admin_paths\Config;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\Routing\Route;
use Symfony\Component\Routing\RouteCollection;
class RenameAdminPathsEventSubscriber implements EventSubscriberInterface {

  /**
   * list of admin paths.
   *
   * @var array
   */
  const ADMIN_PATHS = [
    'admin',
    'user',
  ];

  /**
   * @var Config
   */
  private $config;

  /**
   * @param Config $config
   */
  public function __construct(Config $config) {
    $this->config = $config;
  }

  /**
   * Use a very low priority so we are sure all routes are correctly marked as
   * admin route which is mostly done in other event subscribers like the
   * AdminRouteSubscriber
   *
   * @return array
   */
  public static function getSubscribedEvents() {
    return [
      RoutingEvents::ALTER => [
        [
          'onRoutesAlter',
          -2048,
        ],
      ],
    ];
  }

  /**
   * @param RouteBuildEvent $event
   */
  public function onRoutesAlter(RouteBuildEvent $event) {
    foreach (self::ADMIN_PATHS as $path) {
      if ($this->config
        ->isPathEnabled($path)) {
        $this
          ->alterRouteCollection($event
          ->getRouteCollection(), $path, $this->config
          ->getPathValue($path));
      }
    }
  }

  /**
   * @param RouteCollection $routeCollection
   * @param string $from
   * @param string $to
   */
  private function alterRouteCollection(RouteCollection $routeCollection, string $from, string $to) : void {
    foreach ($routeCollection as $route) {
      $this
        ->replaceRoutePath($route, $from, $to);
    }
  }

  /**
   * @param Route $route
   * @param string $from
   * @param string $to
   */
  private function replaceRoutePath(Route $route, string $from, string $to) : void {
    if ($this
      ->matchRouteByPath($route, $from)) {
      $route
        ->setPath(preg_replace(sprintf('~^/%s~', $from), sprintf('/%s', $to), $route
        ->getPath(), 1));
    }
  }

  /**
   * @param Route $route
   * @param string $path
   *
   * @return boolean
   *
   * match /path, /path/ and /path/* but not /path*
   */
  private function matchRouteByPath(Route $route, string $path) : bool {
    return (bool) preg_match(sprintf('~^/%s(?:/(.*))?$~', $path), $route
      ->getPath());
  }

}

Classes

Name	Description
RenameAdminPathsEventSubscriber