From d8acd801d243f1cc2e653b73bbcaedf669d332b9 Mon Sep 17 00:00:00 2001
From: Abel Hoogeveen <abel@techfuze.net>
Date: Mon, 11 Feb 2019 19:31:49 +0100
Subject: [PATCH] Implemented routerLoadCallableEvent

Fixes #3
---
 .../Event/RouterLoadCallableEvent.php         | 82 +++++++++++++++++++
 src/FuzeWorks/Router.php                      | 19 ++++-
 2 files changed, 99 insertions(+), 2 deletions(-)
 create mode 100644 src/FuzeWorks/Event/RouterLoadCallableEvent.php

diff --git a/src/FuzeWorks/Event/RouterLoadCallableEvent.php b/src/FuzeWorks/Event/RouterLoadCallableEvent.php
new file mode 100644
index 0000000..f403b72
--- /dev/null
+++ b/src/FuzeWorks/Event/RouterLoadCallableEvent.php
@@ -0,0 +1,82 @@
+<?php
+/**
+ * FuzeWorks Framework MVCR Component.
+ *
+ * The FuzeWorks PHP FrameWork
+ *
+ * Copyright (C) 2013-2019 TechFuze
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * @author    TechFuze
+ * @copyright Copyright (c) 2013 - 2019, TechFuze. (http://techfuze.net)
+ * @license   https://opensource.org/licenses/MIT MIT License
+ *
+ * @link  http://techfuze.net/fuzeworks
+ * @since Version 1.2.0
+ *
+ * @version Version 1.2.0
+ */
+
+namespace FuzeWorks\Event;
+
+use FuzeWorks\Event;
+
+/**
+ * Event that gets fired when a callable is to be loaded by the Router class
+ *
+ * Use this to cancel the modify the loading of a custom callable or the defaultCallable
+ *
+ * Currently only used by Router::loadCallable();
+ *
+ * @author    Abel Hoogeveen <abel@techfuze.net>
+ * @copyright Copyright (c) 2013 - 2019, TechFuze. (http://techfuze.net)
+ */
+class RouterLoadCallableEvent extends Event
+{
+
+    /**
+     * The callable to be loaded
+     *
+     * @var callable
+     */
+    public $callable;
+
+    /**
+     * The matches with which the callable is loaded
+     *
+     * @var array
+     */
+    public $matches;
+
+    /**
+     * The route which resulted in this callable being loaded
+     *
+     * @var string
+     */
+    public $route;
+
+    public function init(callable $callable, array $matches, string $route)
+    {
+        $this->callable = $callable;
+        $this->matches = $matches;
+        $this->route = $route;
+    }
+
+}
\ No newline at end of file
diff --git a/src/FuzeWorks/Router.php b/src/FuzeWorks/Router.php
index e697ea3..37fbc01 100644
--- a/src/FuzeWorks/Router.php
+++ b/src/FuzeWorks/Router.php
@@ -36,6 +36,7 @@
 
 namespace FuzeWorks;
 
+use FuzeWorks\Event\RouterLoadCallableEvent;
 use FuzeWorks\Event\RouterLoadViewAndControllerEvent;
 use FuzeWorks\Exception\ConfigException;
 use FuzeWorks\Exception\ControllerException;
@@ -187,6 +188,7 @@ class Router
      * @param string $path
      * @return mixed
      * @throws NotFoundException
+     * @throws RouterException
      */
     public function route(string $path)
     {
@@ -248,6 +250,7 @@ class Router
      * @param array $matches
      * @param string $route
      * @return mixed
+     * @throws RouterException
      */
     protected function loadCallable(callable $callable, array $matches, string $route)
     {
@@ -257,10 +260,22 @@ class Router
             if (!is_int($key))
                 Logger::log($key.': '.var_export($value, true).'');
         }
-        Logger::stopLevel();
+
+        try {
+            /** @var RouterLoadCallableEvent $event */
+            $event = Events::fireEvent('routerLoadCallableEvent',
+                $callable,
+                $matches,
+                $route
+            );
+        } catch (EventException $e) {
+            throw new RouterException("Could not load callable. routerLoadCallableEvent threw exception: '".$e->getMessage()."'");
+        }
 
         // Invoke callable
-        return call_user_func_array($callable, [$matches, $route]);
+        $output = call_user_func_array($event->callable, [$event->matches, $event->route]);
+        Logger::stopLevel();
+        return $output;
     }
 
     /**