Got backend using errors.

src/main.rs

@@ -1,12 +1,12 @@
 use axum::{
     extract::{Extension, FromRequestParts, State},
-    http::request::Parts,
+    http::{request::Parts, StatusCode},
     response::IntoResponse,
     routing::{get, post},
     RequestPartsExt, Router,
 };
 use clap::Parser;
-use morethantext::MoreThanText;
+use morethantext::{ActionType, MoreThanText};
 use std::convert::Infallible;
 use tokio::{spawn, sync::mpsc::channel};
 use tower_cookies::{Cookie, CookieManagerLayer, Cookies};
@@ -83,10 +83,14 @@ where
 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();
+        tx.send(state.get_document(sess_id.0, ActionType::Get, "root")).await.unwrap();
     });
-    let content = rx.recv().await.unwrap();
-    content
+    let reply = rx.recv().await.unwrap();
+    let status = match reply.get_error() {
+        Some(_) => StatusCode::NOT_FOUND,
+        None => StatusCode::OK,
+    };
+    (status, reply.get_document())
 }
 
 #[cfg(test)]
@@ -97,7 +101,7 @@ mod servers {
         http::{
             header::{COOKIE, SET_COOKIE},
             Method,
-            Request, StatusCode,
+            Request,
         },
     };
     use tower::ServiceExt;