adding a random reference number in user table

src/modules/host/handlers/Host_Admin/onboarding/signUp.ts

@@ -12,6 +12,21 @@ import { ROLE } from '../../../../../common/utils/constants/common.constant';
 const prismaService = new PrismaService();
 const hostService = new HostService(prismaService);
 
+export async function generateHostRefNumber(tx: any) {
+  const lastrecord = await tx.user.findFirst({
+    orderBy: {
+      id: 'desc',
+    },
+    select: {
+      id: true,
+    },
+  });
+
+  const nextId = lastrecord ? lastrecord.id + 1 : 1;
+
+  return `HS-${String(nextId).padStart(6, '0')}`;;
+}
+
 export const handler = safeHandler(async (
   event: APIGatewayProxyEvent,
   context?: Context
@@ -44,13 +59,15 @@ export const handler = safeHandler(async (
 
     let newUserLocal;
 
+    const referenceNumber = await generateHostRefNumber(tx);
+
     if (user && !user.userPassword) {
       // reuse existing invited user record
       newUserLocal = user;
     } else {
       // create new user record within the transaction
       newUserLocal = await tx.user.create({
-        data: { emailAddress: email, roleXid: ROLE.HOST },
+        data: { emailAddress: email, roleXid: ROLE.HOST, userRefNumber: referenceNumber },
       });
     }