From fcf9e9459e01b21732324afc0fa43d01260ecc48 Mon Sep 17 00:00:00 2001
From: shancheas <irfan.zaelani13@gmail.com>
Date: Thu, 26 Jun 2025 15:12:08 +0700
Subject: [PATCH] fix: enhance relation validation logic to check for existing
 relations in data

---
 src/core/helpers/validation/validate-relation.helper.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/core/helpers/validation/validate-relation.helper.ts b/src/core/helpers/validation/validate-relation.helper.ts
index ae5b929..0ae626b 100644
--- a/src/core/helpers/validation/validate-relation.helper.ts
+++ b/src/core/helpers/validation/validate-relation.helper.ts
@@ -52,10 +52,12 @@ export class ValidateRelationHelper<Entity> {
         `Failed! this data already connected to ${relation.relation}`;
 
       if (relation.singleQuery) {
+        const relationObject = data[relation.relation] ?? {};
+        const isRelationExist = `${relation.singleQuery[0]}` in relationObject;
         const relationColumn =
           data[relation.relation]?.[`${relation.singleQuery[0]}`];
         if (
-          // !!relationColumn &&
+          isRelationExist &&
           this.mappingValidator(
             relationColumn,
             relation.singleQuery[1],