feat: add http api to get status

Author: ICKelin

Cargo.lock

@@ -28,6 +28,10 @@ socket2 = "0.6.1"
 notify = "7.0"
 tokio-util = "0.7.17"
 ctrlc2 = "3.7.3"
+axum = "0.7"
+tower = "0.4"
+tower-http = { version = "0.5", features = ["cors"] }
+once_cell = "1.20"
 
 [dev-dependencies]
 tokio-test = "0.4"

Cargo.toml

@@ -0,0 +1,27 @@
+//! Status cache management
+
+use std::sync::Arc;
+use tokio::sync::RwLock;
+use super::models::StatusResponse;
+
+/// Global status cache (shared between HTTP server and event loop)
+static STATUS_CACHE: once_cell::sync::Lazy<Arc<RwLock<Option<StatusResponse>>>> =
+    once_cell::sync::Lazy::new(|| Arc::new(RwLock::new(None)));
+
+/// Get a reference to the status cache
+pub fn get_cache() -> Arc<RwLock<Option<StatusResponse>>> {
+    STATUS_CACHE.clone()
+}
+
+/// Update the status cache (called from event loop)
+pub async fn update(status: StatusResponse) {
+    let mut cache = STATUS_CACHE.write().await;
+    *cache = Some(status);
+}
+
+/// Get the current cached status
+pub async fn get() -> Option<StatusResponse> {
+    let cache = STATUS_CACHE.read().await;
+    cache.clone()
+}
+