terdia/legato-framework

<?php

/*
 * This file is part of the Legato package.
 *
 * (c) Osayawe Ogbemudia Terry <terry@devscreencast.com>
 *
 * For the full copyright and license information, please view the LICENSE
 *  file that was distributed with this source code.
 *
 */

namespace Legato\Framework\Routing;

use AltoRouter;
use Illuminate\Container\Container;
use Legato\Framework\App;
use Legato\Framework\Request;

class RouteDispatcher
{
    protected $dispatcher;
    protected $app;

    public function __construct(Request $request, Container $container, AltoRouter $router)
    {
        $this->app = new App($container);

        /*
         * if the user is accessing the app via localhost/project/public
         * we set the parse the request uri so that it matches a defined route
         */
        $this->setRequestUri($request->uri());

        $this->dispatcher = $router->match();

        if ($this->dispatcher) {
            $this->app->boot();
            $this->handle($this->dispatcher['target'], $this->dispatcher['params']);
        } else {
            header($_SERVER['SERVER_PROTOCOL'].'404 Not Found');
            view('errors/404');
        }
    }

    /**
     * Handler for route found, support Closure and Controller methods.
     *
     * @param $handler
     * @param $parameters
     */
    private function handle($handler, $parameters)
    {
        if ($handler instanceof \Closure) {
            $this->app->execute($handler, $parameters);
        } else {
            list($controller, $action) = explode('@', $handler);

            $class = $this->app->construct($controller);
            $this->app->execute([$class, $action], $parameters);
        }
    }

    /**
     * We attempt to parse direct request to localhost/public/
     * or localhost/public/index.php.
     *
     * @param $uri
     *
     * @return bool|string
     */
    private function prepareUriForLocalhostAccess($uri)
    {
        $public = 'public';
        $index = 'index.php';

        if (strpos($uri, $index)) {
            return substr($uri, strpos($uri, $index) + strlen($index));
        } elseif (strpos($uri, $public)) {
            return substr($uri, strpos($uri, $public) + strlen($public));
        }

        return false;
    }

    /**
     * Get the request uri.
     *
     * @param $uri
     */
    private function setRequestUri($uri)
    {
        if ($this->prepareUriForLocalhostAccess($uri)) {
            $_SERVER['REQUEST_URI'] = $this->prepareUriForLocalhostAccess($uri);
        }
    }
}