server: add URL for downloading attachments.

server/src/main.rs

@@ -32,6 +32,21 @@ async fn show(nm: &State<Notmuch>, query: &str) -> Result<Json<ThreadSet>, Debug
     Ok(Json(res))
 }
 
+#[get("/original/<id>/part/<part>")]
+async fn original_part(
+    nm: &State<Notmuch>,
+    id: &str,
+    part: usize,
+) -> Result<Vec<u8>, Debug<NotmuchError>> {
+    let mid = if id.starts_with("id:") {
+        id.to_string()
+    } else {
+        format!("id:{}", id)
+    };
+    let res = nm.show_original_part(&mid, part)?;
+    Ok(res)
+}
+
 #[get("/original/<id>")]
 async fn original(nm: &State<Notmuch>, id: &str) -> Result<Plain<Vec<u8>>, Debug<NotmuchError>> {
     let mid = if id.starts_with("id:") {
@@ -59,10 +74,10 @@ async fn main() -> Result<(), Box<dyn Error>> {
     .to_cors()?;
 
     rocket::build()
-        .mount("/", routes![original, hello, search, show])
+        .mount("/", routes![original_part, original, hello, search, show])
         .attach(cors)
-        .manage(Notmuch::default())
+        //.manage(Notmuch::default())
-        //.manage(Notmuch::with_config("../notmuch/testdata/notmuch.config"))
+        .manage(Notmuch::with_config("../notmuch/testdata/notmuch.config"))
         .launch()
         .await?;