Show correct signup errors

1 files changed, 2 insertions, 1 deletions

diff --git a/src/main/java/com/juick/service/UserService.java b/src/main/java/com/juick/service/UserService.java
index fbbab0ad..16d76659 100644
--- a/src/main/java/com/juick/service/UserService.java
+++ b/src/main/java/com/juick/service/UserService.java
@@ -20,6 +20,7 @@ package com.juick.service;
 import com.juick.model.Message;
 import com.juick.model.User;
 import com.juick.model.AuthResponse;
+import com.juick.util.UsernameTakenException;
 
 import javax.annotation.Nonnull;
 import java.util.Collection;
@@ -39,7 +40,7 @@ public interface UserService {
 
     String getSignUpHashByTelegramID(Long telegramId, String username);
 
-    Optional<User> createUser(String username, String password);
+    Optional<User> createUser(String username, String password) throws UsernameTakenException;
 
     Optional<User> getUserByUID(int uid);