updated roles, only superAdmin can create an admin

src/user/user.controller.ts

@@ -1,12 +1,13 @@
-import { FastifyReply, FastifyRequest } from "fastify";
+import { FastifyReply, FastifyRequest } from 'fastify';
 import {
   createUser,
   deleteUser,
+  ErrOpNotValid,
   getUser,
   listUsers,
   updateUser,
-} from "./user.service";
-import { CreateUserInput, UpdateUserInput } from "./user.schema";
+} from './user.service';
+import { CreateUserInput, UpdateUserInput } from './user.schema';
 
 export async function createUserHandler(
   req: FastifyRequest,
@@ -18,6 +19,8 @@ export async function createUserHandler(
     const user = await createUser(body, req.user);
     return res.code(201).send(user);
   } catch (err) {
+    if (err instanceof Error && err.message == ErrOpNotValid.message)
+      return res.code(400).send(err.message);
     return err;
   }
 }
@@ -26,14 +29,14 @@ export async function getCurrentUserHandler(
   req: FastifyRequest,
   res: FastifyReply
 ) {
-  if (req.user.type !== "user") {
+  if (req.user.type !== 'user') {
     return res.code(400).send();
   }
 
   try {
     const user = await getUser(req.user.userId);
     if (user == null)
-      return res.code(404).send({ error: "resource not found" });
+      return res.code(404).send({ error: 'resource not found' });
 
     return res.code(200).send(user);
   } catch (err) {
@@ -47,7 +50,7 @@ export async function getUserHandler(req: FastifyRequest, res: FastifyReply) {
   try {
     const user = await getUser(userId);
     if (user == null)
-      return res.code(404).send({ error: "resource not found" });
+      return res.code(404).send({ error: 'resource not found' });
 
     return res.code(200).send(user);
   } catch (err) {
@@ -73,7 +76,7 @@ export async function updateUserHandler(
 
   try {
     const updatedUser = await updateUser(userId, input);
-    if (!updateUser) return res.code(404).send({ error: "resource not found" });
+    if (!updateUser) return res.code(404).send({ error: 'resource not found' });
 
     return res.code(200).send(updatedUser);
   } catch (err) {
@@ -90,7 +93,7 @@ export async function deleteUserHandler(
   try {
     const deleteResult = await deleteUser(userId, req.user.tenantId);
     if (deleteResult.deletedCount == 0)
-      return res.code(404).send({ error: "resource not found" });
+      return res.code(404).send({ error: 'resource not found' });
 
     return res.code(204).send();
   } catch (err) {