Flip project field of LiveSession private to prepare for multi-project future

server/src/live_session.rs

@@ -1,4 +1,5 @@
 use std::{
+    collections::HashSet,
     mem,
     sync::{Arc, Mutex},
 };
@@ -32,7 +33,7 @@ impl_from!(LiveSessionError {
 
 /// Contains all of the state for a Rojo live-sync session.
 pub struct LiveSession {
-    pub project: Arc<Project>,
+    project: Arc<Project>,
     pub session_id: SessionId,
     pub message_queue: Arc<MessageQueue<InstanceChanges>>,
     pub rbx_session: Arc<Mutex<RbxSession>>,
@@ -83,4 +84,8 @@ impl LiveSession {
 
         Ok(())
     }
+
+    pub fn serve_place_ids(&self) -> &Option<HashSet<u64>> {
+        &self.project.serve_place_ids
+    }
 }

server/src/web/api.rs

@@ -145,7 +145,7 @@ impl ApiService {
             server_version: self.server_version,
             protocol_version: 2,
             session_id: self.live_session.session_id,
-            expected_place_ids: self.live_session.project.serve_place_ids.clone(),
+            expected_place_ids: self.live_session.serve_place_ids().clone(),
             root_instance_id: tree.get_root_id(),
         })
     }