changes

app/signals.py

@@ -58,9 +58,18 @@ def generic_post_save_handler(sender, instance, created, **kwargs):
     """
     def send_update_after_commit():
         change_type = "created" if created else "updated"
-        # Re-fetch the instance to ensure we have the committed data
-        refreshed_instance = sender.objects.get(pk=instance.pk)
-        send_model_update(refreshed_instance, change_type)
+        try:
+            # Re-fetch the instance to ensure we have the committed data
+            refreshed_instance = sender.objects.get(pk=instance.pk)
+            send_model_update(refreshed_instance, change_type)
+        except sender.DoesNotExist:
+            # Object đã bị xóa (ví dụ: delete_entry vừa xóa Internal_Entry)
+            # Bỏ qua việc gửi update, hoặc gửi thông báo "deleted" nếu cần
+            print(f"Object {sender.__name__} {instance.pk} đã bị xóa, bỏ qua gửi update.")
+            # Optional: vẫn gửi "deleted" để frontend biết object không còn
+            send_model_update(instance, "deleted")
+        except Exception as exc:
+            print(f"Lỗi trong send_update_after_commit: {exc}")
 
     transaction.on_commit(send_update_after_commit)