Make context field in Publish a reference

Co-Authored-By: Casper Beyer <[email protected]>

async-nats/src/jetstream/context.rs

@@ -117,7 +117,7 @@ impl Context {
     /// # }
     /// ```
     pub fn publish(&self, subject: String, payload: Bytes) -> Publish {
-        Publish::new(self.clone(), subject, payload)
+        Publish::new(self, subject, payload)
     }
 
     /// Publish a message with headers to a given subject associated with a stream and returns an acknowledgment from
@@ -1011,16 +1011,16 @@ impl futures::Stream for Streams {
 }
 /// Used for building customized `publish` message.
 #[derive(Clone, Debug)]
-pub struct Publish {
-    context: Context,
+pub struct Publish<'a> {
+    context: &'a Context,
     subject: String,
     payload: Bytes,
     headers: Option<header::HeaderMap>,
 }
 
-impl Publish {
+impl<'a> Publish<'a> {
     /// Creates a new custom Publish struct to be used with.
-    pub(crate) fn new(context: Context, subject: String, payload: Bytes) -> Self {
+    pub(crate) fn new(context: &'a Context, subject: String, payload: Bytes) -> Self {
         Publish {
             context,
             subject,
@@ -1085,26 +1085,23 @@ impl Publish {
     }
 }
 
-impl IntoFuture for Publish {
+impl<'a> IntoFuture for Publish<'a> {
     type Output = Result<PublishAckFuture, Error>;
     type IntoFuture = Pin<Box<dyn Future<Output = Result<PublishAckFuture, Error>> + Send>>;
 
     fn into_future(self) -> Self::IntoFuture {
+        let client = self.context.client.clone();
+        let timeout = self.context.timeout;
+
         Box::pin(std::future::IntoFuture::into_future(async move {
-            let inbox = self.context.client.new_inbox();
-            let subscription = self.context.client.subscribe(inbox.clone()).await?;
-            let mut publish = self
-                .context
-                .client
-                .publish(self.subject, self.payload)
-                .reply(inbox);
+            let inbox = client.new_inbox();
+            let subscription = client.subscribe(inbox.clone()).await?;
+            let mut publish = client.publish(self.subject, self.payload).reply(inbox);
 
             if let Some(headers) = self.headers {
                 publish = publish.headers(headers);
             }
 
-            let timeout = self.context.timeout;
-
             tokio::time::timeout(timeout, publish.into_future())
                 .map_err(|_| {
                     std::io::Error::new(ErrorKind::TimedOut, "JetStream publish request timed out")