Controller.php

<?php

namespace controllers;

/**
 * Description of Controller
 *
 * @author Glenn
 */
class Controller {
    protected static $app;
    public function __construct($app) {
        self::$app = $app;
    }
    
    public function redirect($route, $param=array()) {
        $app = self::$app;
        $url = $app->urlFor($route, $param);
        $app->response->redirect($url, 301);           
    }
    
    public function render($route_name, $param=array(), $return=FALSE) {
        $app = self::$app;
        if ($return) {
            $route = $app->router()->getNamedRoute($route_name);
            $route->setParams($param);

            ob_start();
            $route->dispatch();
            return ob_get_clean();      
        } else {
            $app->render($route_name, $param);
        }
    }
    
    
    public function authenticate() {
        return function () {
            $app = \Slim\Slim::getInstance();
            if (empty($app->session->getPein())) {
                $app->flash('error', 'Login required');
                $this->redirect("page_login");
            }
        };
    }
}