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pub mod get {
use axum::{
extract::{Path, State},
response::{self, IntoResponse, Redirect},
};
use crate::{
app::App,
channel,
error::Internal,
login::Login,
ui::{
assets::{Asset, Assets},
error::NotFound,
},
};
pub async fn handler(
State(app): State<App>,
login: Option<Login>,
Path(channel): Path<channel::Id>,
) -> Result<Asset, Error> {
login.ok_or(Error::NotLoggedIn)?;
app.channels()
.get(&channel)
.await
.map_err(Error::internal)?
.ok_or(Error::NotFound)?;
Assets::index().map_err(Error::Internal)
}
#[derive(Debug, thiserror::Error)]
pub enum Error {
#[error("requested channel not found")]
NotFound,
#[error("not logged in")]
NotLoggedIn,
#[error("{0}")]
Internal(Internal),
}
impl Error {
fn internal(err: impl Into<Internal>) -> Self {
Self::Internal(err.into())
}
}
impl IntoResponse for Error {
fn into_response(self) -> response::Response {
match self {
Self::NotFound => match Assets::index() {
Ok(asset) => NotFound(asset).into_response(),
Err(internal) => internal.into_response(),
},
Self::NotLoggedIn => Redirect::temporary("/login").into_response(),
Self::Internal(error) => error.into_response(),
}
}
}
}
|