use crate::{ApiConnExt, TryFromConn};
use serde::{de::DeserializeOwned, Serialize};
use std::ops::{Deref, DerefMut};
use trillium::{async_trait, Conn, Handler};
#[derive(Debug, Default, Clone, Copy, PartialEq, Eq, Ord, PartialOrd, Hash)]
pub struct Body<T>(pub T);
impl<T> Body<T> {
pub fn new(t: T) -> Self {
Self(t)
}
pub fn into_inner(self) -> T {
self.0
}
}
impl<T> From<T> for Body<T> {
fn from(value: T) -> Self {
Self(value)
}
}
impl<T> Deref for Body<T> {
type Target = T;
fn deref(&self) -> &Self::Target {
&self.0
}
}
impl<T> DerefMut for Body<T> {
fn deref_mut(&mut self) -> &mut Self::Target {
&mut self.0
}
}
#[async_trait]
impl<T> TryFromConn for Body<T>
where
T: DeserializeOwned + Send + Sync + 'static,
{
type Error = crate::Error;
async fn try_from_conn(conn: &mut Conn) -> Result<Self, Self::Error> {
conn.deserialize().await.map(Self)
}
}
#[async_trait]
impl<T> Handler for Body<T>
where
T: Serialize + Send + Sync + 'static,
{
async fn run(&self, mut conn: Conn) -> Conn {
match conn.serialize(&self.0).await {
Ok(()) => conn,
Err(e) => conn.with_state(e).halt(),
}
}
async fn before_send(&self, mut conn: Conn) -> Conn {
if let Some(error) = conn.take_state::<crate::Error>() {
error.before_send(conn).await
} else {
conn
}
}
}