Added determine route middlewareorigin/determine-route-middleware

This middleware can determine the route at forehand, so it can be used by other middleware

1 files changed, 61 insertions, 0 deletions

diff --git a/src/Router/Middleware/DetermineRoute.php b/src/Router/Middleware/DetermineRoute.php
new file mode 100644
index 0000000..fdb0878
--- /dev/null
+++ b/src/Router/Middleware/DetermineRoute.php
@@ -0,0 +1,61 @@
+<?php
+
+namespace Jasny\Router\Middleware;
+
+use Jasny\Router\Routes;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Message\ResponseInterface;
+
+/**
+ * Determine the route at forehand, so it can be used by subsequent middleware
+ */
+class DetermineRoute
+{    
+    /**
+     * Routes
+     * @var Routes
+     */
+    protected $routes = null;
+
+    
+    /**
+     * Class constructor
+     * 
+     * @param Routes $routes
+     */
+    public function __construct(Routes $routes)
+    {
+        $this->routes = $routes;
+    }
+
+    /**
+     * Get routes
+     *
+     * @return Routes
+     */
+    public function getRoutes()
+    {
+        return $this->routes;
+    }
+    
+
+    /**
+     * Run middleware action
+     *
+     * @param ServerRequestInterface $request
+     * @param ResponseInterface      $response
+     * @param callable               $next
+     * @return ResponseInterface
+     */
+    public function __invoke(ServerRequestInterface $request, ResponseInterface $response, $next)
+    {
+        if (!is_callable($next)) {
+            throw new \InvalidArgumentException("next should be callable");            
+        }
+
+        $route = $this->routes->getRoute($request);
+        $requestWithRoute = $request->withAttribute('route', $route);
+        
+        return $next($requestWithRoute, $response);
+    }
+}