Routes.php

<?php

namespace Config;

// Create a new instance of our RouteCollection class.
$routes = Services::routes();

// Load the system's routing file first, so that the app and ENVIRONMENT
// can override as needed.
if (file_exists(SYSTEMPATH . 'Config/Routes.php')) {
    require SYSTEMPATH . 'Config/Routes.php';
}

/**
 * --------------------------------------------------------------------
 * Router Setup
 * --------------------------------------------------------------------
 */
$routes->setDefaultNamespace('App\Controllers');
$routes->setDefaultController('Home');
$routes->setDefaultMethod('index');
$routes->setTranslateURIDashes(false);
$routes->set404Override();
$routes->setAutoRoute(false);
$routes->addPlaceholder('podcastName', '[a-zA-Z0-9\_]{1,191}');
$routes->addPlaceholder('episodeSlug', '[a-zA-Z0-9\-]{1,191}');

/**
 * --------------------------------------------------------------------
 * Route Definitions
 * --------------------------------------------------------------------
 */

// We get a performance increase by specifying the default
// route since we don't have to scan directories.
$routes->get('/', 'Home::index', ['as' => 'home']);
$routes->add('new-podcast', 'Podcast::create', ['as' => 'podcast_create']);

$routes->group('@(:podcastName)', function ($routes) {
    $routes->add('/', 'Podcast::view/$1', ['as' => 'podcast_view']);
    $routes->add('edit', 'Podcast::edit/$1', [
        'as' => 'podcast_edit',
    ]);
    $routes->add('delete', 'Podcast::delete/$1', [
        'as' => 'podcast_delete',
    ]);
    $routes->add('feed.xml', 'Feed/$1', ['as' => 'podcast_feed']);
    $routes->add('new-episode', 'Episode::create/$1', [
        'as' => 'episode_create',
    ]);
    $routes->add('episodes/(:episodeSlug)', 'Episode::view/$1/$2', [
        'as' => 'episode_view',
    ]);
    $routes->add('episodes/(:episodeSlug)/edit', 'Episode::edit/$1/$2', [
        'as' => 'episode_edit',
    ]);
    $routes->add('episodes/(:episodeSlug)/delete', 'Episode::delete/$1/$2', [
        'as' => 'episode_delete',
    ]);
});

// Route for podcast audio file analytics (/stats/podcast_id/episode_id/podcast_folder/filename.mp3)
$routes->add('stats/(:num)/(:num)/(:any)', 'Analytics::hit/$1/$2/$3', [
    'as' => 'analytics_hit',
]);

// Show the Unknown UserAgents
$routes->add('.well-known/unknown-useragents', 'UnknownUserAgents');
$routes->add('.well-known/unknown-useragents/(:num)', 'UnknownUserAgents/$1');

/**
 * --------------------------------------------------------------------
 * Additional Routing
 * --------------------------------------------------------------------
 *
 * There will often be times that you need additional routing and you
 * need to it be able to override any defaults in this file. Environment
 * based routes is one such time. require() additional route files here
 * to make that happen.
 *
 * You will have access to the $routes object within that file without
 * needing to reload it.
 */
if (file_exists(APPPATH . 'Config/' . ENVIRONMENT . '/Routes.php')) {
    require APPPATH . 'Config/' . ENVIRONMENT . '/Routes.php';
}