MVC Services

Dispatcher.php

<?php

namespace project\Services;

use project\Controller\Controller;

class Dispatcher
{
    public $parameters;
    public $action;
    public $controller;
    public $viewer;

    public function __construct()
    {
        $this->viewer = new Viewer();
        $this->parameters = $_GET;
    }

    public function dispatch()
    {

        $viewParameters = $this->extractActionAndController();
        $controllerParameters = $this->executeAction();
        $this->viewer->sethelper($this->controller)->setParameters($viewParameters)
            ->setViewParameters($viewParameters)
            ->setControllerParameters($controllerParameters)
            ->render();

    }

    public function extractActionAndController()
    {
        $action = isset($this->parameters['action']) ? $this->parameters['action'] : DEFAULT_ACTION;
        $controller = isset($this->parameters['controller']) ? $this->parameters['controller'] : DEFAULT_CONTROLLER;
        $this->action = $action;
        $this->controller = $controller;
        return array($controller, $action);
    }

    /*
     * execute la method action
     */
    public function executeAction()
    {
        $pathController = sprintf('project\\Controller\\%sController', lcfirst($this->controller));

        if (!class_exists($pathController)) {
            throw new \Exception(" $pathController not found ");
        } else {
            $controllerClass = new $pathController();
            $action = sprintf('%sAction', lcfirst($this->action));
            $parameters = $this->cleanParameters();
            return call_user_func_array(array($controllerClass, $action), array($parameters));
        }
    }

    /*
     * Nettoie les parametres pour recuperer les arguments
     */
    public function cleanParameters()
    {

        if (isset($this->parameters['controller'])) {
            unset($this->parameters['controller']);
        }
        if (isset($this->parameters['action'])) {
            unset($this->parameters['action']);
        }

        return $this->parameters;

    }
}