Use create_dir_all

src/handlers.rs

@@ -169,7 +169,7 @@ pub async fn store_file(
     // Write to file
     // room_id is guaranteed to be present at this point
     let room_id = room_id.unwrap();
-    match std::fs::create_dir(format!("files/{}", &room_id)) {
+    match std::fs::create_dir_all(format!("files/{}", &room_id)) {
         Ok(_) => (),
         Err(e) => {
             error!("Couldn't store file due to error: {}.", e);