From 1acef25987d2dff002253c02b028b4f2ecb44c84 Mon Sep 17 00:00:00 2001
From: x1unix <denis0051@gmail.com>
Date: Wed, 27 Nov 2024 11:50:25 -0500
Subject: [PATCH] fix: refactor router wrapper

---
 examples/gno.land/r/demo/boards2/render.gno | 16 +++----
 examples/gno.land/r/demo/boards2/router.gno | 51 +++++++++------------
 2 files changed, 30 insertions(+), 37 deletions(-)

diff --git a/examples/gno.land/r/demo/boards2/render.gno b/examples/gno.land/r/demo/boards2/render.gno
index d2acad6aace..3e3083d21ce 100644
--- a/examples/gno.land/r/demo/boards2/render.gno
+++ b/examples/gno.land/r/demo/boards2/render.gno
@@ -14,7 +14,7 @@ const (
 
 func Render(path string) string {
 	// TODO: remove this when query strings PR will be merged: https://github.com/gnolang/gno/pull/2594
-	router := newWrappedRouter()
+	router := newWrappedRouter(mux.NewRouter())
 	router.HandleFunc("", renderBoardsList)
 	router.HandleFunc("{board}", renderBoard)
 	router.HandleFunc("{board}/{thread}", renderThread)
@@ -27,11 +27,11 @@ func Render(path string) string {
 	return router.Render(path)
 }
 
-func renderBoardsList(res *mux.ResponseWriter, r request) {
+func renderBoardsList(res *mux.ResponseWriter, r *mux.Request) {
 	res.Write("These are all the boards of this realm:\n\n")
 
 	pg := pager.NewPager(&gBoardsByID, defaultPageSize)
-	pageNum, limit, err := pg.ParseQuery(r.requestURI)
+	pageNum, limit, err := pg.ParseQuery(r.Path)
 	if err != nil {
 		panic(err)
 	}
@@ -49,7 +49,7 @@ func renderBoardsList(res *mux.ResponseWriter, r request) {
 	}
 }
 
-func renderBoard(res *mux.ResponseWriter, req request) {
+func renderBoard(res *mux.ResponseWriter, req *mux.Request) {
 	name := req.GetVar("board")
 	v, found := gBoardsByName.Get(name)
 	if !found {
@@ -58,11 +58,11 @@ func renderBoard(res *mux.ResponseWriter, req request) {
 	}
 
 	board := v.(*Board)
-	p := req.pagination(defaultPageSize)
+	p := getPagination(req, defaultPageSize)
 	res.Write(board.Render(p))
 }
 
-func renderThread(res *mux.ResponseWriter, req request) {
+func renderThread(res *mux.ResponseWriter, req *mux.Request) {
 	name := req.GetVar("board")
 
 	v, found := gBoardsByName.Get(name)
@@ -85,11 +85,11 @@ func renderThread(res *mux.ResponseWriter, req request) {
 		return
 	}
 
-	p := req.pagination(defaultPageSize)
+	p := getPagination(req, defaultPageSize)
 	res.Write(thread.Render("", threadRenderDepth, &p))
 }
 
-func renderReply(res *mux.ResponseWriter, req request) {
+func renderReply(res *mux.ResponseWriter, req *mux.Request) {
 	name := req.GetVar("board")
 	v, found := gBoardsByName.Get(name)
 	if !found {
diff --git a/examples/gno.land/r/demo/boards2/router.gno b/examples/gno.land/r/demo/boards2/router.gno
index 4231a8847a5..21b5b7d50e6 100644
--- a/examples/gno.land/r/demo/boards2/router.gno
+++ b/examples/gno.land/r/demo/boards2/router.gno
@@ -7,29 +7,6 @@ import (
 	"gno.land/p/demo/mux"
 )
 
-type handleFunc = func(*mux.ResponseWriter, request)
-
-type request struct {
-	*mux.Request
-
-	requestURI string
-}
-
-func (r request) pagination(defaultPageSize int) Pagination {
-	// reuse query parameter extract logic from pager.
-	pg := pager.NewPager(nil, defaultPageSize)
-	pg.SizeQueryParam = ""
-	pageNum, limit, err := pg.ParseQuery(r.requestURI)
-	if err != nil {
-		panic(err)
-	}
-
-	return Pagination{
-		PageNumber: pageNum,
-		PageSize:   limit,
-	}
-}
-
 type wrappedRouter struct {
 	*mux.Router
 
@@ -39,9 +16,9 @@ type wrappedRouter struct {
 // newWrappedRouter returns a wrapped mux router that supports query strings.
 //
 // TODO: remove this when query strings PR will be merged: https://github.com/gnolang/gno/pull/2594
-func newWrappedRouter() *wrappedRouter {
+func newWrappedRouter(r *mux.Router) *wrappedRouter {
 	return &wrappedRouter{
-		Router: mux.NewRouter(),
+		Router: r,
 	}
 }
 
@@ -51,11 +28,11 @@ func (r *wrappedRouter) Render(path string) string {
 	return r.Router.Render(reqPath)
 }
 
-func (r *wrappedRouter) HandleFunc(pattern string, fn handleFunc) {
+func (r *wrappedRouter) HandleFunc(pattern string, fn mux.HandlerFunc) {
 	r.Router.HandleFunc(pattern, func(rw *mux.ResponseWriter, req *mux.Request) {
-		fn(rw, request{
-			Request:    req,
-			requestURI: r.requestURI,
+		fn(rw, &mux.Request{
+			Path:        r.requestURI,
+			HandlerPath: req.HandlerPath,
 		})
 	})
 }
@@ -69,3 +46,19 @@ func trimRequestPath(path string) string {
 
 	return path[:i]
 }
+
+func getPagination(r *mux.Request, defaultPageSize int) Pagination {
+	// reuse query parameter extract logic from pager.
+	pg := pager.NewPager(nil, defaultPageSize)
+	pg.SizeQueryParam = ""
+	pageNum, limit, err := pg.ParseQuery(r.Path)
+	if err != nil {
+		panic(err)
+	}
+
+	return Pagination{
+		PageNumber: pageNum,
+		PageSize:   limit,
+	}
+}
+