okapi-operation 0.3.0

use axum::response::{IntoResponse, Response};
use bytes::{BufMut, BytesMut};
use http::{HeaderValue, StatusCode, header};
use serde::Serialize;

pub struct Yaml<T>(pub T);

impl<T> IntoResponse for Yaml<T>
where
    T: Serialize,
{
    fn into_response(self) -> Response {
        let mut buf = BytesMut::with_capacity(128).writer();
        match serde_yaml::to_writer(&mut buf, &self.0) {
            Ok(()) => (
                [(
                    header::CONTENT_TYPE,
                    HeaderValue::from_static("text/x-yaml"),
                )],
                buf.into_inner().freeze(),
            )
                .into_response(),
            Err(err) => (
                StatusCode::INTERNAL_SERVER_ERROR,
                [(
                    header::CONTENT_TYPE,
                    HeaderValue::from_static("text/plain; charset=utf-8"),
                )],
                err.to_string(),
            )
                .into_response(),
        }
    }
}