[Bug][dolphinscheduler-api]validated for duplicate username when creating or registering a user (#14577)

* [Bug][dolphinscheduler-api]validated for duplicate username when creating or registering a user

Signed-off-by: Gallardot <gallardot@apache.org>

* [Bug][dolphinscheduler-api]validated for duplicate username when creating or registering a user

Signed-off-by: Gallardot <gallardot@apache.org>

---------

Signed-off-by: Gallardot <gallardot@apache.org>
Co-authored-by: xiangzihao <460888207@qq.com>
Co-authored-by: Eric Gao <ericgao.apache@gmail.com>

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/controller/UsersController.java

@@ -111,6 +111,10 @@ public class UsersController extends BaseController {
                              @RequestParam(value = "email") String email,
                              @RequestParam(value = "phone", required = false) String phone,
                              @RequestParam(value = "state", required = false) int state) throws Exception {
+        Result verifyRet = usersService.verifyUserName(userName);
+        if (verifyRet.getCode() != Status.SUCCESS.getCode()) {
+            return verifyRet;
+        }
         Map<String, Object> result =
                 usersService.createUser(loginUser, userName, userPassword, email, tenantId, phone, queue, state);
         return returnDataList(result);
@@ -570,6 +574,10 @@ public class UsersController extends BaseController {
         userPassword = ParameterUtils.handleEscapes(userPassword);
         repeatPassword = ParameterUtils.handleEscapes(repeatPassword);
         email = ParameterUtils.handleEscapes(email);
+        Result<Object> verifyRet = usersService.verifyUserName(userName);
+        if (verifyRet.getCode() != Status.SUCCESS.getCode()) {
+            return verifyRet;
+        }
         Map<String, Object> result = usersService.registerUser(userName, userPassword, repeatPassword, email);
         return returnDataList(result);
     }

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/UsersServiceImpl.java

@@ -1336,7 +1336,7 @@ public class UsersServiceImpl extends BaseServiceImpl implements UsersService {
             putMsg(result, Status.REQUEST_PARAMS_NOT_VALID_ERROR, "two passwords are not same");
             return result;
         }
-        User user = createUser(userName, userPassword, email, 1, "", "", Flag.NO.ordinal());
+        User user = createUser(userName, userPassword, email, -1, "", "", Flag.NO.ordinal());
         putMsg(result, Status.SUCCESS);
         result.put(Constants.DATA_LIST, user);
         return result;