v0.14.0

src/api/integrations.rs

@@ -95,3 +95,36 @@ async fn test_notifications(
         .map_err(AppError::Device)?;
     Ok(Json(json!({"ok": true})))
 }
+
+async fn list_home_assistant_energy_sensors(
+    State(state): State<AppState>,
+) -> Result<Json<Value>, AppError> {
+    let settings = state.settings.read().await.home_assistant.clone();
+    let entities = home_assistant::list_entities(&state.http, &settings)
+        .await
+        .map_err(|error| AppError::Device(error.to_string()))?;
+    let sensors = entities
+        .into_iter()
+        .filter_map(|entity| {
+            let attributes = entity.get("attributes")?.as_object()?;
+            let device_class = attributes.get("device_class")?.as_str()?;
+            let state_class = attributes.get("state_class")?.as_str()?;
+            let unit = attributes.get("unit_of_measurement")?.as_str()?;
+            if device_class != "energy"
+                || !matches!(state_class, "total" | "total_increasing")
+                || !matches!(unit.to_ascii_lowercase().as_str(), "wh" | "kwh")
+            {
+                return None;
+            }
+            Some(json!({
+                "entity_id": entity.get("entity_id").and_then(Value::as_str).unwrap_or_default(),
+                "name": attributes.get("friendly_name").and_then(Value::as_str).unwrap_or_default(),
+                "state": entity.get("state").and_then(Value::as_str).unwrap_or_default(),
+                "unit": unit,
+                "device_class": device_class,
+                "state_class": state_class,
+            }))
+        })
+        .collect::<Vec<_>>();
+    Ok(Json(json!({"sensors": sensors})))
+}