rama-http 0.3.0-rc1

rama http layers, services and other utilities
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use rama_core::{Layer, Service};
use rama_http_types::{Request, Response};

use crate::service::web::response::IntoResponse;

/// A [`Service`] that maps Output of an inner service using [`IntoResponse`].
#[derive(Debug, Clone)]
pub struct IntoResponseService<S>(S);

impl<S> IntoResponseService<S>
where
    S: Service<Request, Output: IntoResponse>,
{
    /// Create a new [`IntoResponseService`] with the given service.
    #[inline(always)]
    pub fn new(svc: S) -> Self {
        Self(svc)
    }
}

impl<S, I> Service<I> for IntoResponseService<S>
where
    S: Service<I, Output: IntoResponse>,
    I: Send + 'static,
{
    type Output = Response;
    type Error = S::Error;

    async fn serve(&self, req: I) -> Result<Self::Output, Self::Error> {
        self.0.serve(req).await.map(IntoResponse::into_response)
    }
}

/// A [`Layer`] that maps Output of an inner service using [`IntoResponse`].
#[derive(Debug, Clone, Default)]
#[non_exhaustive]
pub struct IntoResponseLayer;

impl IntoResponseLayer {
    pub fn new() -> Self {
        Self
    }
}

impl<S> Layer<S> for IntoResponseLayer {
    type Service = IntoResponseService<S>;

    fn layer(&self, inner: S) -> Self::Service {
        IntoResponseService(inner)
    }
}