Add tokio watch channel to update mpris player state

src/http_server.rs

@@ -5,7 +5,7 @@ use axum::{
     routing::get,
     Router,
 };
-use tokio::sync::broadcast::Sender;
+use tokio::sync::watch::Sender;
 
 use crate::database::Database;
 
@@ -24,7 +24,7 @@ pub async fn http_serve(database: &Database, mpris_producer: Sender<(String, Str
 
     let app = Router::new()
         .route("/", get(root))
-        .route("/{length}", get(add_rating))
+        .route("/{user_id}/{rating}", get(add_rating))
         .with_state(shared_state);
 
     let listener = tokio::net::TcpListener::bind("0.0.0.0:3000").await.unwrap();
@@ -39,24 +39,19 @@ async fn add_rating(
     Path((user_id, rating)): Path<(i64, i64)>,
     State(shared): State<SharedState>,
 ) -> Response {
-    // Get the current interpret and track from the broadcast channel
-    match shared.mpris_sender.subscribe().recv().await {
-        Ok((interpret, track)) => {
-            // write to db
-            match shared
-                .database
-                .user_add_rating(user_id, &interpret, &track, rating)
-                .await
-            {
-                Ok(_) => (StatusCode::OK, "Done.").into_response(),
-                Err(e) => {
-                    println!("HTTP error: {e}");
-                    (StatusCode::BAD_REQUEST, e.to_string()).into_response()
-                }
-            }
-        }
+    let mut mpris_rx = shared.mpris_sender.subscribe();
+
+    // Get the current interpret and track from the watch channel
+    let (interpret, track) = (*mpris_rx.borrow_and_update()).clone();
+
+    match shared
+        .database
+        .user_add_rating(user_id, &interpret, &track, rating)
+        .await
+    {
+        Ok(_) => (StatusCode::OK, "Done.").into_response(),
         Err(e) => {
-            println!("mpris error: {e}");
+            println!("HTTP error: {e}");
             (StatusCode::BAD_REQUEST, e.to_string()).into_response()
         }
     }