Reattached document service.

src/main.rs

@@ -80,8 +80,13 @@ where
     }
 }
 
-async fn mtt_conn(_sess_id: SessionID, _state: State<MoreThanText>) -> impl IntoResponse {
-    ("something".to_string(),)
+async fn mtt_conn(sess_id: SessionID, state: State<MoreThanText>) -> impl IntoResponse {
+    let (tx, mut rx) = channel(1);
+    spawn(async move {
+        tx.send(state.get_document(sess_id.0)).await.unwrap();
+    });
+    let content = rx.recv().await.unwrap();
+    content
 }
 
 #[cfg(test)]