devel_wizard-2.x-dev/templates/spell/route_access_checker/access-checker.php.twig

<?php

declare(strict_types=1);

namespace Drupal\{{ module }}\Route;

use Drupal\Core\Access\AccessResult;
use Drupal\Core\Routing\Access\AccessInterface as RoutingAccessInterface;
use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Core\Session\AccountInterface;
use Symfony\Component\Routing\Route;

/**
 * Defines an access checker for {{ object }}.
 *
 * @code
 * # my_module_01.routing.yml
 * my_module_01.route_01:
 *   path: '/my_module_01/foo'
 *   requirements:
 *     {{ accessChecker.appliesTo }}: 'foo:bar'
 * @endcode
 */
class {{ accessChecker.className }} implements RoutingAccessInterface {

  protected string $appliesTo = '{{ accessChecker.appliesTo }}';

  public function access(Route $route, RouteMatchInterface $route_match, AccountInterface $account) {
    [$arg1, $arg2] = explode(':', $route->getRequirement($this->appliesTo) . ':');

    try {
      $arg1 = $this->resolvePlaceholders($arg1, $route_match);
      $arg2 = $this->resolvePlaceholders($arg2, $route_match);
    }
    catch (\InvalidArgumentException $exception) {
      return AccessResult::forbidden($exception->getMessage());
    }

    return AccessResult::allowedIf($arg1 === 'foo' && $arg2 === 'bar');
  }

  /**
   * @throws \InvalidArgumentException
   */
  protected function resolvePlaceholders(string $arg, RouteMatchInterface $routeMatch): string {
    if (!str_contains($arg, '{')) {
      return $arg;
    }

    foreach ($routeMatch->getRawParameters()->all() as $name => $value) {
      $arg = str_replace('{' . $name . '}', $value, $arg);
    }

    if (str_contains($arg, '{')) {
      throw new \InvalidArgumentException(sprintf(
        'Could not resolve all the placeholders in %s: %s access checker argument.',
        $this->appliesTo,
        $arg,
      ));
    }

    return $arg;
  }

}