Many cleanup and fix

asusd/src/ctrl_aura/mod.rs

@@ -1,5 +1,29 @@
+use udev::Device;
+use zbus::zvariant::{ObjectPath, OwnedObjectPath};
+
 pub mod config;
 pub mod controller;
 pub mod manager;
 /// Implements `CtrlTask`, `Reloadable`, `ZbusRun`
 pub mod trait_impls;
+
+/// Returns only the Device details concatenated in a form usable for
+/// adding/appending to a filename
+pub(super) fn filename_partial(parent: &Device) -> Option<OwnedObjectPath> {
+    if let Some(id_product) = parent.attribute_value("idProduct") {
+        let id_product = id_product.to_string_lossy();
+        let path = if let Some(devnum) = parent.attribute_value("devnum") {
+            let devnum = devnum.to_string_lossy();
+            if let Some(devpath) = parent.attribute_value("devpath") {
+                let devpath = devpath.to_string_lossy();
+                format!("{id_product}_{devnum}_{devpath}")
+            } else {
+                format!("{id_product}_{devnum}")
+            }
+        } else {
+            format!("{id_product}")
+        };
+        return Some(ObjectPath::from_str_unchecked(&path).into());
+    }
+    None
+}