feat: changes on review comments

backend/src/services/user/user-fns.ts

@@ -4,18 +4,14 @@ import { alphaNumericNanoId } from "@app/lib/nanoid";
 import { TUserDALFactory } from "@app/services/user/user-dal";
 
 export const normalizeUsername = async (username: string, userDAL: Pick<TUserDALFactory, "findOne">) => {
-  let attempt = slugify(`${username}-${alphaNumericNanoId(4)}`);
+  let attempt: string;
+  let user;
 
-  let user = await userDAL.findOne({ username: attempt });
-  if (!user) return attempt;
-
-  while (true) {
+  do {
     attempt = slugify(`${username}-${alphaNumericNanoId(4)}`);
     // eslint-disable-next-line no-await-in-loop
     user = await userDAL.findOne({ username: attempt });
+  } while (user);
 
-    if (!user) {
-      return attempt;
-    }
-  }
+  return attempt;
 };

backend/src/services/user/user-types.ts

@@ -0,0 +1,4 @@
+export enum UserEncryption {
+  V1 = 1,
+  V2 = 2
+}