editing cakes by id

controller.go

@@ -19,6 +19,7 @@ func (c *controller) LoadRouter(pub fs.FS) {
 	serveMux.HandleFunc("GET /available_cakes", c.cakeOptions)
 	serveMux.HandleFunc("GET /edit_cakes", c.cakeOptions)
 	serveMux.HandleFunc("GET /cake_editor", c.cakeEditor)
+	serveMux.HandleFunc("GET /cake_editor/{ID}", c.cakeEditor)
 	serveMux.HandleFunc("POST /new_cake", c.newCake)
 
 	c.Handler = serveMux

handlers.go

@@ -18,14 +18,29 @@ func (c *controller) cakeOptions(w http.ResponseWriter, r *http.Request) {
 }
 
 func (c *controller) cakeEditor(w http.ResponseWriter, r *http.Request) {
+	fmt.Println("received get request at ", r.URL.String())
 	type cake struct {
 		Name  string
 		ID    int
 		Price int
 	}
 
-	w.Header().Set("Content-Type", "text/html")
+	url := strings.Split(r.URL.String(), "/")
-	c.tmpl["cake_editor"].Execute(w, cake{"Hello", 1, 120})
+
+	if len(url) < 3 {
+		fmt.Println("no arg")
+		c.tmpl["cake_editor"].Execute(w, cake{"", 0, 0})
+		return
+	}
+
+	id, err := strconv.Atoi(url[2])
+	if err != nil {
+		fmt.Println("can't get info")
+		c.tmpl["cake_editor"].Execute(w, cake{"", 0, 0})
+		return
+	}
+
+	c.tmpl["cake_editor"].Execute(w, cake{"Hello", id, 120})
 }
 
 func (c *controller) newCake(w http.ResponseWriter, r *http.Request) {

templates/cake_editor.html

@@ -9,4 +9,5 @@
     </div>
     <input value="{{.ID}}" name="id" hidden></input>
     <button type="submit">Submit</button>
+    <button type="button" onclick="document.getElementById('cake_editor').innerText=''">Cancel</button>
 </form>