From 0e3199e289c4b4fcc935476f321e91f73533c196 Mon Sep 17 00:00:00 2001
From: WorldTeacher <coding_contact@pm.me>
Date: Wed, 3 Sep 2025 10:32:39 +0200
Subject: [PATCH] add warning log to fix crashing bug

---
 src/backend/threads_availchecker.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/backend/threads_availchecker.py b/src/backend/threads_availchecker.py
index 3fbf819..c3ba3cc 100644
--- a/src/backend/threads_availchecker.py
+++ b/src/backend/threads_availchecker.py
@@ -56,6 +56,9 @@ class AvailChecker(QThread):
             rds = transformer.get_data(data).return_data("rds_availability")
 
             book_id = None
+            if not rds or not rds.items:
+                log.warning(f"No RDS data found for link {link}")
+                continue
             for item in rds.items:
                 sign = item.superlocation
                 loc = item.location