DevelGenerateRoutes.php

<?php

namespace Drupal\devel_generate\Routing;

use Drupal\Component\Plugin\PluginManagerInterface;
use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\Routing\Route;

/**
 * Provides dynamic routes for devel_generate.
 */
class DevelGenerateRoutes implements ContainerInjectionInterface {
    
    /**
     * Constructs a new devel_generate route subscriber.
     *
     * @param \Drupal\Component\Plugin\PluginManagerInterface $devel_generate_manager
     *   The DevelGeneratePluginManager.
     */
    public function __construct(PluginManagerInterface $devel_generate_manager) {
        $this->DevelGenerateManager = $devel_generate_manager;
    }
    
    /**
     * {@inheritdoc}
     */
    public static function create(ContainerInterface $container) {
        return new static($container->get('plugin.manager.develgenerate'));
    }
    
    /**
     * Define routes for all devel_generate plugins.
     */
    public function routes() {
        $devel_generate_plugins = $this->DevelGenerateManager
            ->getDefinitions();
        $routes = [];
        foreach ($devel_generate_plugins as $id => $plugin) {
            $label = $plugin['label'];
            $type_url_str = str_replace('_', '-', $plugin['url']);
            $routes["devel_generate.{$id}"] = new Route("admin/config/development/generate/{$type_url_str}", [
                '_form' => '\\Drupal\\devel_generate\\Form\\DevelGenerateForm',
                '_title' => "Generate {$label}",
                '_plugin_id' => $id,
            ], [
                '_permission' => $plugin['permission'],
            ]);
        }
        // Add the route for the 'Generate' admin group on the admin/config page.
        // This also provides the page for all devel_generate links.
        $routes['devel_generate.admin_config_generate'] = new Route('/admin/config/development/generate', [
            '_controller' => '\\Drupal\\system\\Controller\\SystemController::systemAdminMenuBlockPage',
            '_title' => 'Generate',
        ], [
            '_permission' => 'administer devel_generate',
        ]);
        return $routes;
    }

}