Route - prevent pre/post middleware from being applied twice

src/http/routing/Route.ts

@@ -87,11 +87,15 @@ export class Route extends AppClass {
             for ( const group of stack ) {
                 route.prepend(group.prefix)
                 group.getGroupMiddlewareDefinitions()
-                    .each(def => route.prependMiddleware(def))
+                    .where('stage', '=', 'pre')
+                    .each(def => {
+                        route.prependMiddleware(def)
+                    })
             }
 
             for ( const group of this.compiledGroupStack ) {
                 group.getGroupMiddlewareDefinitions()
+                    .where('stage', '=', 'post')
                     .each(def => route.appendMiddleware(def))
             }