From fc4a1c0583863155ca07311685f2bf83c018e255 Mon Sep 17 00:00:00 2001
From: Chrstopher Hunter <8398225+crhntr@users.noreply.github.com>
Date: Thu, 29 Aug 2024 21:31:42 -0700
Subject: [PATCH] update example so it uses form arg

---
 example/index.gohtml       |  6 +++---
 example/main.go            | 13 ++++++-------
 example/template_routes.go | 30 +++++++++++++++++++-----------
 3 files changed, 28 insertions(+), 21 deletions(-)

diff --git a/example/index.gohtml b/example/index.gohtml
index 3a34dfa..f7727b3 100644
--- a/example/index.gohtml
+++ b/example/index.gohtml
@@ -36,7 +36,7 @@
         {{template "index.gohtml" .}}
         {{- end -}}
 
-        {{- define "GET /fruits/{fruit}/edit GetFormEditRow(fruit)" -}}
+        {{- define "GET /fruits/{id}/edit GetFormEditRow(id)" -}}
         <tr>
             <td>{{ .Row.Name }}</td>
             <td>
@@ -49,9 +49,9 @@
         </tr>
         {{- end -}}
 
-        {{- define "PATCH /fruits/{fruit} SubmitFormEditRow(request, fruit)" }}
+        {{- define "PATCH /fruits/{id} SubmitFormEditRow(id, form)" }}
             {{- if .Error -}}
-                {{template  "GET /fruits/{fruit}/edit GetFormEditRow(fruit)" .}}
+                {{template  "GET /fruits/{id}/edit GetFormEditRow(id)" .}}
             {{- else -}}
                 {{template "fruit row" .Row}}
             {{- end -}}
diff --git a/example/main.go b/example/main.go
index 1cd9b8a..900c12a 100644
--- a/example/main.go
+++ b/example/main.go
@@ -7,7 +7,6 @@ import (
 	"html/template"
 	"log"
 	"net/http"
-	"strconv"
 )
 
 //go:embed *.gohtml
@@ -24,16 +23,16 @@ type EditRowPage struct {
 	Error error
 }
 
-func (b *Backend) SubmitFormEditRow(request *http.Request, fruitID int) EditRowPage {
+type EditRow struct {
+	Value int `input:"count"`
+}
+
+func (b *Backend) SubmitFormEditRow(fruitID int, form EditRow) EditRowPage {
 	if fruitID < 0 || fruitID >= len(b.data) {
 		return EditRowPage{Error: fmt.Errorf("fruit not found")}
 	}
-	count, err := strconv.Atoi(request.FormValue("count"))
-	if err != nil {
-		return EditRowPage{Error: err, Row: b.data[fruitID]}
-	}
 	row := b.data[fruitID]
-	row.Value = count
+	row.Value = form.Value
 	return EditRowPage{Error: nil, Row: row}
 }
 
diff --git a/example/template_routes.go b/example/template_routes.go
index 6812f3b..12a79ba 100644
--- a/example/template_routes.go
+++ b/example/template_routes.go
@@ -10,31 +10,39 @@ import (
 )
 
 type RoutesReceiver interface {
-	SubmitFormEditRow(request *http.Request, fruitID int) EditRowPage
+	SubmitFormEditRow(fruitID int, form EditRow) EditRowPage
 	GetFormEditRow(fruitID int) EditRowPage
 	List(_ context.Context) []Row
 }
 
 func routes(mux *http.ServeMux, receiver RoutesReceiver) {
-	mux.HandleFunc("PATCH /fruits/{fruit}", func(response http.ResponseWriter, request *http.Request) {
-		fruitParsed, err := strconv.Atoi(request.PathValue("fruit"))
+	mux.HandleFunc("PATCH /fruits/{id}", func(response http.ResponseWriter, request *http.Request) {
+		idParsed, err := strconv.Atoi(request.PathValue("id"))
 		if err != nil {
 			http.Error(response, err.Error(), http.StatusBadRequest)
 			return
 		}
-		fruit := fruitParsed
-		data := receiver.SubmitFormEditRow(request, fruit)
-		execute(response, request, true, "PATCH /fruits/{fruit} SubmitFormEditRow(request, fruit)", http.StatusOK, data)
+		id := idParsed
+		request.ParseForm()
+		var form EditRow
+		ValueParsed, err := strconv.Atoi(request.FormValue("count"))
+		if err != nil {
+			http.Error(response, err.Error(), http.StatusBadRequest)
+			return
+		}
+		form.Value = ValueParsed
+		data := receiver.SubmitFormEditRow(id, form)
+		execute(response, request, true, "PATCH /fruits/{id} SubmitFormEditRow(id, form)", http.StatusOK, data)
 	})
-	mux.HandleFunc("GET /fruits/{fruit}/edit", func(response http.ResponseWriter, request *http.Request) {
-		fruitParsed, err := strconv.Atoi(request.PathValue("fruit"))
+	mux.HandleFunc("GET /fruits/{id}/edit", func(response http.ResponseWriter, request *http.Request) {
+		idParsed, err := strconv.Atoi(request.PathValue("id"))
 		if err != nil {
 			http.Error(response, err.Error(), http.StatusBadRequest)
 			return
 		}
-		fruit := fruitParsed
-		data := receiver.GetFormEditRow(fruit)
-		execute(response, request, true, "GET /fruits/{fruit}/edit GetFormEditRow(fruit)", http.StatusOK, data)
+		id := idParsed
+		data := receiver.GetFormEditRow(id)
+		execute(response, request, true, "GET /fruits/{id}/edit GetFormEditRow(id)", http.StatusOK, data)
 	})
 	mux.HandleFunc("GET /help", func(response http.ResponseWriter, request *http.Request) {
 		execute(response, request, true, "GET /help", http.StatusOK, request)