(김준회) dolce: maxSerialNo 못 받는 경우 폴백(1) 추가

1 files changed, 11 insertions, 2 deletions

diff --git a/app/api/revisions/max-serial-no/route.ts b/app/api/revisions/max-serial-no/route.ts
index 0681b66d..6cdf18b6 100644
--- a/app/api/revisions/max-serial-no/route.ts
+++ b/app/api/revisions/max-serial-no/route.ts
@@ -18,8 +18,8 @@ export async function GET(request: NextRequest) {
 
     debugLog('1. Input documentId:', documentId)
 
-    if (!documentId) {
-      debugLog('2. documentId is missing, returning 400')
+    if (!documentId || documentId === 'undefined' || documentId === 'null') {
+      debugLog('2. documentId is missing or invalid, returning 400')
       return NextResponse.json(
         { error: 'documentId is required' },
         { status: 400 }
@@ -27,6 +27,15 @@ export async function GET(request: NextRequest) {
     }
 
     const parsedDocumentId = parseInt(documentId)
+    
+    if (isNaN(parsedDocumentId)) {
+      debugError('3. Invalid documentId - cannot parse to integer:', documentId)
+      return NextResponse.json(
+        { error: 'Invalid documentId format' },
+        { status: 400 }
+      )
+    }
+    
     debugLog('3. Parsed documentId:', parsedDocumentId)
 
     // 1. 내부 DB에서 최대 serialNo 조회