Leider geht das mit dem interface nicht

lib/shrt.go

@@ -37,7 +37,7 @@ func StreamToByte(stream io.Reader) []byte {
   return buf.Bytes()
 }
 
-func (s *Storage) Add(URL string) (string, error) {
+func (s *Storage) Add(URL string, value interface{}) (string, error) {
   // if the URL a valid URL?
   /*if !govalidator.IsURL(URL) {
     return "", errors.New("invalid url") 
@@ -57,6 +57,7 @@ func (s *Storage) Add(URL string) (string, error) {
       token := hash[:hashShortestLen]
       s.Token[token] = hash
       s.Url[hash] = shrt{URL: URL, Token: token}
+      value = s.Url[hash]
       return token, nil
     }
   }
@@ -69,9 +70,12 @@ func (s *Storage) Remove(URL string) error {
 }
 
 // Get returns the URL for the given token
-func (s *Storage) Get(token string) (string, error) {
-  if val, ok := s.Token[token]; ok {
-    return s.Url[val].URL, nil
+func (s *Storage) Get(token string, value interface{}) bool {
+  if hash, ok := s.Token[token]; ok {
+    fmt.Printf("Url gefunden %s mit Hash: %v \n", s.Url[hash].URL, hash)
+    value = s.Url[hash].URL
+    fmt.Printf("Value: %V \n", value)
+    return true
   }
-  return "", ErrNotFound
+  return false
 }

main.go

@@ -9,9 +9,8 @@ import (
 )
 
 type Page struct {
-	Url string
-	Token string
-	Count int
+	Title string
+	Body string
 }
 
 var (
@@ -28,20 +27,31 @@ func init() {
 
 func index(w http.ResponseWriter, r *http.Request) {
 	fmt.Println("method: ", r.Method) //get request method
+	fmt.Println("Path: ", r.URL.Path[1:])
 	switch r.Method {
 	case "GET":
+		var redirect string
+		if ok := short.Get(r.URL.Path[1:], &redirect); ok{
+			P := Page{Title: ToString(r.URL.Path[1:]), Body: redirect}
+			fmt.Printf("Redirect: %s \n", redirect)
+			t, _ := template.ParseFiles("template/index.gohtml")
+			t.Execute(w, P)
+			fmt.Println("Url by Token:", P)
+		} else {
 			t, _ := template.ParseFiles("template/index.gohtml")
 			t.Execute(w, nil)
+		}
 	case "POST":
 		r.ParseForm()
-		token, err := short.Add(ToString(r.Form["url"]))
+		var test string
+		token, err := short.Add(ToString(r.Form["url"]), &test)
 		if err != nil {
 			panic(err)
 		}
-		P := Page{Url: ToString(r.Form["url"]), Token: token}
+		P := Page{Title: ToString(r.Form["url"]), Body: token}
 		t, _ := template.ParseFiles("template/index.gohtml")
 		t.Execute(w, P)
-		fmt.Println("url:", P)
+		fmt.Println("Token by Url:", P)
 	}
 
 }