User update - backend fix

1 files changed, 10 insertions, 1 deletions

diff --git a/backend/api/api/Controllers/UserController.cs b/backend/api/api/Controllers/UserController.cs
index 9f736679..9796afc2 100644
--- a/backend/api/api/Controllers/UserController.cs
+++ b/backend/api/api/Controllers/UserController.cs
@@ -125,7 +125,16 @@ namespace api.Controllers
             if (username == null)
                 return BadRequest();
 
-            return Ok(userService.Update(username, user));
+            if (user.Username != username)
+            {
+                User user2 = userService.GetUserByUsername(user.Username);
+                if (user2 == null)
+                    return Ok(userService.Update(username, user));
+                else
+                    return BadRequest("Username already exists!");
+            }
+            else
+                return Ok(userService.Update(username, user));
         }
 
         // DELETE api/<UserController>/5