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use axum::{
extract::{Form, Path, State},
http::StatusCode,
response::{
sse::{self, Sse},
IntoResponse, Redirect,
},
routing::{get, post},
Router,
};
use futures::{future, stream::TryStreamExt as _};
use super::repo::channels::Id as ChannelId;
use crate::{
app::App, clock::RequestedAt, error::BoxedError, error::InternalError,
login::repo::logins::Login,
};
pub fn router() -> Router<App> {
Router::new()
.route("/create", post(on_create))
.route("/:channel/send", post(on_send))
.route("/:channel/events", get(on_events))
}
#[derive(serde::Deserialize)]
struct CreateRequest {
name: String,
}
async fn on_create(
State(app): State<App>,
_: Login, // requires auth, but doesn't actually care who you are
Form(form): Form<CreateRequest>,
) -> Result<impl IntoResponse, InternalError> {
app.channels().create(&form.name).await?;
Ok(Redirect::to("/"))
}
#[derive(serde::Deserialize)]
struct SendRequest {
message: String,
}
async fn on_send(
Path(channel): Path<ChannelId>,
RequestedAt(sent_at): RequestedAt,
State(app): State<App>,
login: Login,
Form(form): Form<SendRequest>,
) -> Result<impl IntoResponse, InternalError> {
app.channels()
.send(&login, &channel, &form.message, &sent_at)
.await?;
Ok(StatusCode::ACCEPTED)
}
async fn on_events(
Path(channel): Path<ChannelId>,
State(app): State<App>,
_: Login, // requires auth, but doesn't actually care who you are
) -> Result<impl IntoResponse, InternalError> {
let stream = app
.channels()
.events(&channel)
.await?
.and_then(|msg| future::ready(serde_json::to_string(&msg).map_err(BoxedError::from)))
.map_ok(|msg| sse::Event::default().data(&msg));
Ok(Sse::new(stream).keep_alive(sse::KeepAlive::default()))
}
|
