From 577c7b289eee126c293e94451a9ce6f25dc5f612 Mon Sep 17 00:00:00 2001
From: kittapath <kittapath@frappet.com>
Date: Thu, 6 Nov 2025 22:03:35 +0700
Subject: [PATCH] update payment

---
 Services/CandidateService.cs | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/Services/CandidateService.cs b/Services/CandidateService.cs
index 17ec119..63469ff 100644
--- a/Services/CandidateService.cs
+++ b/Services/CandidateService.cs
@@ -2207,18 +2207,24 @@ namespace BMA.EHR.Recurit.Exam.Service.Services
             if (candidate == null)
                 throw new Exception(GlobalMessages.ExamNotFound);
 
-            if (candidate.PaymentImg != null)
-            {
-                await DeleteDocument(candidate.PaymentImg.Id.ToString());
-            }
+            // เก็บ ID ของ Document เก่าไว้ก่อน
+            var oldDocumentId = candidate.PaymentImg?.Id.ToString();
 
+            // Upload Document ใหม่ก่อน
             var doc = await _minioService.UploadFileAsync(file);
 
             var document = await _context.Documents.AsQueryable()
                             .FirstOrDefaultAsync(x => x.Id == doc.Id);
 
+            // กำหนด Document ใหม่ให้กับ candidate
             candidate.PaymentImg = document;
             await _context.SaveChangesAsync();
+
+            // ลบ Document เก่าหลังจากที่ตัด reference แล้ว
+            if (oldDocumentId != null)
+            {
+                await DeleteDocument(oldDocumentId);
+            }
         }
 
         public async Task<RequestCardCandidate> GetsAsyncCardCandidate(string examId, string positionId)