diff --git a/src/highlanderticketing/handler/oauth.go b/src/highlanderticketing/handler/oauth.go
index 90fd848b3d5acd0756cf6eed3d470437755b413a..dbbe02710c74af5d33dd50c31a81558b0f87583e 100644
--- a/src/highlanderticketing/handler/oauth.go
+++ b/src/highlanderticketing/handler/oauth.go
@@ -3,6 +3,7 @@ package handler
 import (
 	"context"
 	"fmt"
+	"io"
 	"net/http"
 
 	log "github.com/sirupsen/logrus"
@@ -32,10 +33,17 @@ func HandleCallbackRegister(w http.ResponseWriter, r *http.Request) {
 		http.Error(w, "Fehler beim Authentifizieren", http.StatusInternalServerError)
 		return
 	}
-	service.Register(token.AccessToken)
+	err = service.Register(token.AccessToken)
+	if err != nil {
+		fmt.Println(err)
+		io.WriteString(w, `user besteht bereits`)
+	} else {
+		sendJson(w, "user erfolgreich angelegt")
+	}
+
 }
 
-func HandleCallback(w http.ResponseWriter, r *http.Request) {
+func HandleCallbackLogin(w http.ResponseWriter, r *http.Request) {
 	oauthConfig := config.GetOAuthConfigLogin()
 	code := r.URL.Query().Get("code")
 	token, err := oauthConfig.Exchange(context.Background(), code)
@@ -44,6 +52,18 @@ func HandleCallback(w http.ResponseWriter, r *http.Request) {
 		http.Error(w, "Fehler beim Authentifizieren", http.StatusInternalServerError)
 		return
 	}
+	// den teil in eine routine packen
+	user, err := service.GetUserInfo(token.AccessToken)
+	if err != nil {
+		sendJson(w, err)
+		return
+	}
+	_, errUser := service.GetUserByEmail(user.Email)
+	if errUser != nil {
+		sendJson(w, err)
+		sendJson(w, "user nicht registriert")
+		return
+	}
 	sendJson(w, token.AccessToken)
 }
 
@@ -80,6 +100,6 @@ func checkAdmin(token string) error {
 	if user.IsAdmin {
 		return nil
 	} else {
-		return fmt.Errorf("User has not Adminrights")
+		return fmt.Errorf("User has not adminrights")
 	}
 }
diff --git a/src/highlanderticketing/main.go b/src/highlanderticketing/main.go
index 6b9a4ea94576ae2449320354bc15b1703a917ebf..bfda4cb600288d57bbf5548d27ce4f3879fd70d5 100644
--- a/src/highlanderticketing/main.go
+++ b/src/highlanderticketing/main.go
@@ -4,7 +4,6 @@ import (
 	"fmt"
 	"net/http"
 	"os"
-	"strconv"
 
 	"github.com/gorilla/mux"
 	"github.com/joho/godotenv"
@@ -45,17 +44,17 @@ func main() {
 		log.Fatal("Error establishing connection to NATS:", err)
 	}
 
-	fmt.Println("Connected to NATS at:", natsServer.Nc.ConnectedUrl())
-	var nr = strconv.Itoa(1)
-	e := model.EmialContent{Name: "aa", AwayMatch: true, Location: "ss", Date: "aaa", Emailadress: "yannick.ege@web.de", OrderID: nr}
-	natsServer.ConfirmOrder(&e)
+	//fmt.Println("Connected to NATS at:", natsServer.Nc.ConnectedUrl())
+	//var nr = strconv.Itoa(1)
+	//e := model.EmialContent{Name: "aa", AwayMatch: true, Location: "ss", Date: "aaa", Emailadress: "yannick.ege@web.de", OrderID: nr}
+	//natsServer.ConfirmOrder(&e)
 
 	log.Println("Starting Highlander Ticketing server")
 	router := mux.NewRouter()
 	router.HandleFunc("/register", handler.HandleRegister).Methods("GET")
-	router.HandleFunc("/callback/register", handler.HandleCallback).Methods("GET")
+	router.HandleFunc("/callback/register", handler.HandleCallbackRegister).Methods("GET")
 	router.HandleFunc("/login", handler.HandleLogin).Methods("GET")
-	router.HandleFunc("/callback/login", handler.HandleCallback).Methods("GET")
+	router.HandleFunc("/callback/login", handler.HandleCallbackLogin).Methods("GET")
 	router.HandleFunc("/health", handler.Health).Methods("GET")
 	router.HandleFunc("/match", handler.CreateMatch).Methods("POST")
 	router.HandleFunc("/matches", handler.GetAllMatches).Methods("GET")
diff --git a/src/highlanderticketing/service/register.go b/src/highlanderticketing/service/register.go
index 42eff89571d90a685407ec8a1afa81dd6266d740..38a23ed9bf68883b67f646f1035d2b03f14b6b4a 100644
--- a/src/highlanderticketing/service/register.go
+++ b/src/highlanderticketing/service/register.go
@@ -1,5 +1,11 @@
 package service
 
+import (
+	"fmt"
+
+	"gitlab.reutlingen-university.de/ege/highlander-ticketing-go-ss2023/src/highlanderticketing/model"
+)
+
 func Register(accessToken string) error {
 	user, err := GetUserInfo(accessToken)
 	if err != nil {
@@ -9,5 +15,8 @@ func Register(accessToken string) error {
 	if err1 != nil {
 		return err1
 	}
+	var userArray []model.User
+	userArray, _ = GetAllUsers()
+	fmt.Println(userArray)
 	return nil
 }