Make the worker heartbeat take a worker reference

crates/storage-pg/src/queue/worker.rs

@@ -79,11 +79,7 @@ impl QueueWorkerRepository for PgQueueWorkerRepository<'_> {
         ),
         err,
     )]
-    async fn heartbeat(
-        &mut self,
-        clock: &dyn Clock,
-        worker: Worker,
-    ) -> Result<Worker, Self::Error> {
+    async fn heartbeat(&mut self, clock: &dyn Clock, worker: &Worker) -> Result<(), Self::Error> {
         let now = clock.now();
         let res = sqlx::query!(
             r#"
@@ -101,7 +97,7 @@ impl QueueWorkerRepository for PgQueueWorkerRepository<'_> {
         // If no row was updated, the worker was shutdown so we return an error
         DatabaseError::ensure_affected_rows(&res, 1)?;
 
-        Ok(worker)
+        Ok(())
     }
 
     #[tracing::instrument(

crates/storage/src/queue/worker.rs

@@ -40,14 +40,11 @@ pub trait QueueWorkerRepository: Send + Sync {
 
     /// Send a heartbeat for the given worker.
     ///
-    /// Returns the updated worker.
-    ///
     /// # Errors
     ///
     /// Returns an error if the underlying repository fails or if the worker was
     /// shutdown.
-    async fn heartbeat(&mut self, clock: &dyn Clock, worker: Worker)
-        -> Result<Worker, Self::Error>;
+    async fn heartbeat(&mut self, clock: &dyn Clock, worker: &Worker) -> Result<(), Self::Error>;
 
     /// Mark the given worker as shutdown.
     ///
@@ -102,8 +99,8 @@ repository_impl!(QueueWorkerRepository:
     async fn heartbeat(
         &mut self,
         clock: &dyn Clock,
-        worker: Worker,
-    ) -> Result<Worker, Self::Error>;
+        worker: &Worker,
+    ) -> Result<(), Self::Error>;
 
     async fn shutdown(
         &mut self,

crates/tasks/src/new_queue.rs

@@ -15,7 +15,7 @@ pub async fn run(state: State) -> Result<(), RepositoryError> {
     let mut rng = state.rng();
     let clock = state.clock();
 
-    let mut worker = repo.queue_worker().register(&mut rng, &clock).await?;
+    let worker = repo.queue_worker().register(&mut rng, &clock).await?;
     span.record("worker.id", tracing::field::display(worker.id));
     repo.save().await?;
 
@@ -44,7 +44,7 @@ pub async fn run(state: State) -> Result<(), RepositoryError> {
         // on a logged table
         if now - last_heartbeat >= chrono::Duration::minutes(1) {
             tracing::info!("Sending heartbeat");
-            worker = repo.queue_worker().heartbeat(&clock, worker).await?;
+            repo.queue_worker().heartbeat(&clock, &worker).await?;
             last_heartbeat = now;
         }