unify peripheral state struct.

src-tauri/src/cmd/state.rs

@@ -19,7 +19,8 @@ pub struct CentralState {
 pub struct PeripheralItem {
     pub id: PeripheralId,
     pub address: String,
-    pub represent: String,
+    pub represent: Option<String>,
+    pub is_unknown: bool,
     pub is_connected: bool,
     pub rssi: Option<i16>,
     pub battery: Option<i16>,
@@ -42,9 +43,8 @@ impl PeripheralItem {
         Self {
             id: periperial.id(),
             address: periperial.address().to_string(),
-            represent: properties
-                .and_then(|p| p.local_name.clone())
-                .unwrap_or(String::from("Unknown")),
+            represent: properties.and_then(|p| p.local_name.clone()),
+            is_unknown: properties.and_then(|p| p.local_name.clone()).is_none(),
             is_connected: periperial.is_connected().await.unwrap_or(false),
             rssi: properties.and_then(|p| p.rssi),
             battery: properties.and_then(|p| p.tx_power_level),