From c6d74e3cad8a7e264f42706f836dc55c8af37d4c Mon Sep 17 00:00:00 2001
From: "WQY\\qiong" <qiongyu.wang@outlook.com>
Date: Wed, 22 Mar 2023 21:19:37 +0800
Subject: [PATCH] Guard coord

---
 api/s24_coordinates.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/api/s24_coordinates.py b/api/s24_coordinates.py
index 0df02db..ba5dd73 100644
--- a/api/s24_coordinates.py
+++ b/api/s24_coordinates.py
@@ -7,7 +7,9 @@ def _to_client_point(coord: str) -> dict[str, float]:
 
 
 def get_node_coord(name: str, id: str) -> dict[str, float]:
-    row = read(name, f"select * from coordinates where node = '{id}'")
+    row = try_read(name, f"select * from coordinates where node = '{id}'")
+    if row == None:
+        return {}
     return _to_client_point(row['coord'])