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<?php
use Psr\Container\ContainerInterface;
use Slim\Routing\RouteContext;
use Trails\Exception;
/**
* StudipDispatcher.php - create the default Trails dispatcher
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* @author <mlunzena@uos.de>
* @copyright 2013 Stud.IP Core-Group
* @license http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
* @category Stud.IP
*/
/**
* Use this subclass to easily get an Stud.IP specific
* Trails\Dispatcher.
*
* Example of use:
*
* @code
* // deep in the Stud.IP jungle
* $dispatcher = new StudipDispatcher();
* $dispatcher->dispatch($requested_uri);
* @endcode
*/
class StudipDispatcher extends Trails\Dispatcher
{
/**
* This variable contains the DI-Container.
*
* @var ContainerInterface
*/
protected $container;
/**
* Create a new Trails\Dispatcher with Stud.IP specific parameters
* for: trails_root is "$STUDIP_BASE_PATH/app", trails_uri is
* "dispatch.php" and default_controller is "default" (which does
* not map to anything).
*/
public function __construct(ContainerInterface $container)
{
global $STUDIP_BASE_PATH, $ABSOLUTE_URI_STUDIP;
$trails_root = $STUDIP_BASE_PATH . DIRECTORY_SEPARATOR . 'app';
$trails_uri = rtrim($ABSOLUTE_URI_STUDIP, '/') . '/dispatch.php';
$default_controller = 'default';
$this->container = $container;
parent::__construct($trails_root, $trails_uri, $default_controller);
}
/**
* Adapted error method that just passes the exception to stud.ip's
* exception instead of the standard trails handling.
*
* @param Exception $exception The exception that occured
*
* @throws Exception
*/
public function trails_error($exception)
{
throw $exception;
}
/**
* Loads the controller file for a given controller path and return an
* instance of that controller. If an error occures, an exception will be
* thrown.
*
* @param string $controller the relative controller path
* @return Trails\Controller an instance of that controller
* @throws \Trails\Exceptions\UnknownController
*/
public function load_controller($controller)
{
require_once "{$this->trails_root}/controllers/{$controller}.php";
$class = Trails\Inflector::camelize($controller) . 'Controller';
if (!class_exists($class)) {
throw new Trails\Exceptions\UnknownController("Controller missing: '$class'");
}
return $this->container->make($class, ['dispatcher' => $this]);
}
public function getRouteCallable($uri): callable
{
try {
$uri = $this->clean_request_uri((string) $uri);
[$controller_path, $unconsumed] = '' === $uri ? $this->default_route() : $this->parse($uri);
$controller = $this->load_controller($controller_path);
return function (
\Psr\Http\Message\ServerRequestInterface $request,
\Psr\Http\Message\ResponseInterface $response,
array $args
) use ($controller, $unconsumed): \Psr\Http\Message\ResponseInterface {
$controller->injectResponse($response);
$response = $controller->perform($unconsumed);
return $response->getPsrResponse();
} ;
} catch (Exception $e) {
return function () use ($e) {
throw $e;
};
}
}
}
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