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|
use axum::{
extract::{Json, Path, State},
http::StatusCode,
response::{IntoResponse, Response},
routing::{delete, get, post},
Router,
};
use axum_extra::extract::Query;
use super::{
app::{self, DeleteError},
Channel, Id,
};
use crate::{
app::App, clock::RequestedAt, error::Internal, event::Sequence, login::Login,
message::app::SendError,
};
#[cfg(test)]
mod test;
pub fn router() -> Router<App> {
Router::new()
.route("/api/channels", get(list))
.route("/api/channels", post(on_create))
.route("/api/channels/:channel", post(on_send))
.route("/api/channels/:channel", delete(on_delete))
}
#[derive(Default, serde::Deserialize)]
struct ListQuery {
resume_point: Option<Sequence>,
}
async fn list(
State(app): State<App>,
_: Login,
Query(query): Query<ListQuery>,
) -> Result<Channels, Internal> {
let channels = app.channels().all(query.resume_point).await?;
let response = Channels(channels);
Ok(response)
}
struct Channels(Vec<Channel>);
impl IntoResponse for Channels {
fn into_response(self) -> Response {
let Self(channels) = self;
Json(channels).into_response()
}
}
#[derive(Clone, 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
RequestedAt(created_at): RequestedAt,
Json(form): Json<CreateRequest>,
) -> Result<Json<Channel>, CreateError> {
let channel = app
.channels()
.create(&form.name, &created_at)
.await
.map_err(CreateError)?;
Ok(Json(channel))
}
#[derive(Debug)]
struct CreateError(app::CreateError);
impl IntoResponse for CreateError {
fn into_response(self) -> Response {
let Self(error) = self;
match error {
duplicate @ app::CreateError::DuplicateName(_) => {
(StatusCode::BAD_REQUEST, duplicate.to_string()).into_response()
}
other => Internal::from(other).into_response(),
}
}
}
#[derive(Clone, serde::Deserialize)]
struct SendRequest {
message: String,
}
async fn on_send(
State(app): State<App>,
Path(channel): Path<Id>,
RequestedAt(sent_at): RequestedAt,
login: Login,
Json(request): Json<SendRequest>,
) -> Result<StatusCode, SendErrorResponse> {
app.messages()
.send(&channel, &login, &sent_at, &request.message)
.await?;
Ok(StatusCode::ACCEPTED)
}
#[derive(Debug, thiserror::Error)]
#[error(transparent)]
struct SendErrorResponse(#[from] SendError);
impl IntoResponse for SendErrorResponse {
fn into_response(self) -> Response {
let Self(error) = self;
match error {
not_found @ SendError::ChannelNotFound(_) => {
(StatusCode::NOT_FOUND, not_found.to_string()).into_response()
}
other => Internal::from(other).into_response(),
}
}
}
async fn on_delete(
State(app): State<App>,
Path(channel): Path<Id>,
RequestedAt(deleted_at): RequestedAt,
_: Login,
) -> Result<StatusCode, DeleteErrorResponse> {
app.channels().delete(&channel, &deleted_at).await?;
Ok(StatusCode::ACCEPTED)
}
#[derive(Debug, thiserror::Error)]
#[error(transparent)]
struct DeleteErrorResponse(#[from] DeleteError);
impl IntoResponse for DeleteErrorResponse {
fn into_response(self) -> Response {
let Self(error) = self;
match error {
not_found @ DeleteError::NotFound(_) => {
(StatusCode::NOT_FOUND, not_found.to_string()).into_response()
}
other => Internal::from(other).into_response(),
}
}
}
|
