From 84eb4b2365911ec1ac6935474f844b19e85ebb36 Mon Sep 17 00:00:00 2001
From: Eric Neuber <eric@skax.de>
Date: Sun, 18 Jan 2026 19:27:05 +0100
Subject: [PATCH] Tabellen erhalten, wenn Settings gespeichert werden

---
 src/main.rs | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/main.rs b/src/main.rs
index 90045ba..3afb3ff 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -161,7 +161,17 @@ async fn save_settings(
     settings: web::Json<AppConfig>,
 ) -> Result<HttpResponse> {
     let mut config = data.config.lock().unwrap();
-    let new_config = settings.into_inner();
+    let mut new_config = settings.into_inner();
+    // Tabellenwerte erhalten, falls sie im Request null sind
+    if new_config.modbus_coils.is_none() {
+        new_config.modbus_coils = config.modbus_coils.clone();
+    }
+    if new_config.modbus_input_register.is_none() {
+        new_config.modbus_input_register = config.modbus_input_register.clone();
+    }
+    if new_config.modbus_holding_register.is_none() {
+        new_config.modbus_holding_register = config.modbus_holding_register.clone();
+    }
     // Value-Maps neu initialisieren
     let mut value_maps = data.value_maps.lock().unwrap();
     *value_maps = ModbusValueMaps::from_config(&new_config);