From 2230dd4e6b148346c0ec596b9e3e12996a762ed8 Mon Sep 17 00:00:00 2001
From: Frédéric Guillot <fred@kanboard.net>
Date: Thu, 22 May 2014 12:28:28 -0400
Subject: Code refactoring (add autoloader and change files organization)

---
 app/Core/Router.php | 111 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 app/Core/Router.php

(limited to 'app/Core/Router.php')

diff --git a/app/Core/Router.php b/app/Core/Router.php
new file mode 100644
index 00000000..3a5df715
--- /dev/null
+++ b/app/Core/Router.php
@@ -0,0 +1,111 @@
+<?php
+
+namespace Core;
+
+/**
+ * Router class
+ *
+ * @package core
+ * @author  Frederic Guillot
+ */
+class Router
+{
+    /**
+     * Controller name
+     *
+     * @access private
+     * @var string
+     */
+    private $controller = '';
+
+    /**
+     * Action name
+     *
+     * @access private
+     * @var string
+     */
+    private $action = '';
+
+    /**
+     * Registry instance
+     *
+     * @access private
+     * @var Core\Registry
+     */
+    private $registry;
+
+    /**
+     * Constructor
+     *
+     * @access public
+     * @param  Core\Registry   $registry     Registry instance
+     * @param  string          $controller   Controller name
+     * @param  string          $action       Action name
+     */
+    public function __construct(Registry $registry, $controller = '', $action = '')
+    {
+        $this->registry = $registry;
+        $this->controller = empty($_GET['controller']) ? $controller : $_GET['controller'];
+        $this->action = empty($_GET['action']) ? $controller : $_GET['action'];
+    }
+
+    /**
+     * Check controller and action parameter
+     *
+     * @access public
+     * @param  string    $value           Controller or action name
+     * @param  string    $default_value   Default value if validation fail
+     */
+    public function sanitize($value, $default_value)
+    {
+        return ! ctype_alpha($value) || empty($value) ? $default_value : strtolower($value);
+    }
+
+    /**
+     * Load a controller and execute the action
+     *
+     * @access public
+     * @param  string     $filename     Controller filename
+     * @param  string     $class        Class name
+     * @param  string     $method       Method name
+     */
+    public function load($filename, $class, $method)
+    {
+        if (file_exists($filename)) {
+
+            require $filename;
+
+            if (! method_exists($class, $method)) {
+                return false;
+            }
+
+            $instance = new $class($this->registry);
+            $instance->request = new Request;
+            $instance->response = new Response;
+            $instance->session = new Session;
+            $instance->template = new Template;
+            $instance->beforeAction($this->controller, $this->action);
+            $instance->$method();
+
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * Find a route
+     *
+     * @access public
+     */
+    public function execute()
+    {
+        $this->controller = $this->sanitize($this->controller, 'app');
+        $this->action = $this->sanitize($this->action, 'index');
+        $filename = __DIR__.'/../Controller/'.ucfirst($this->controller).'.php';
+
+        if (! $this->load($filename, '\Controller\\'.$this->controller, $this->action)) {
+            die('Page not found!');
+        }
+    }
+}
-- 
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