fix: Front door presence does not get cleared properly

2025-09-08 04:01:16 +02:00
parent eb0c80c4ce
commit e26fd9f132
2 changed files with 8 additions and 2 deletions
--- a/automation_lib/src/mqtt.rs
+++ b/automation_lib/src/mqtt.rs
@@ -28,7 +28,13 @@ impl mlua::UserData for WrappedAsyncClient {
        methods.add_async_method(
            "send_message",
            async |_lua, this, (topic, message): (String, mlua::Value)| {
-                let message = serde_json::to_string(&message).unwrap();
+                // serde_json converts nil => "null", but we actually want nil to send an empty
+                // message
+                let message = if message.is_nil() {
+                    "".into()
+                } else {
+                    serde_json::to_string(&message).unwrap()
+                };

                debug!("message = {message}");