use actix_web::{HttpRequest, HttpResponse, Responder};
use bytes::Bytes;
use derive_more::{Deref, DerefMut, Display};
use mime::Mime;
use once_cell::sync::Lazy;
use serde::Serialize;
static CBOR_MIME: Lazy<Mime> = Lazy::new(|| "application/cbor".parse().unwrap());
#[derive(Debug, Deref, DerefMut, Display)]
pub struct Cbor<T>(pub T);
impl<T: Serialize> Responder for Cbor<T> {
type Body = Bytes;
fn respond_to(self, _req: &HttpRequest) -> HttpResponse<Self::Body> {
let body = Bytes::from(serde_cbor_2::to_vec(&self.0).unwrap());
HttpResponse::Ok()
.content_type(CBOR_MIME.clone())
.message_body(body)
.unwrap()
}
}