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|
mod play;
mod session;
mod template;
use crate::play::handle_play;
use crate::session::{HandObject, Session};
use crate::template::{IndexTemplate, SessionTemplate};
use askama::Template;
use axum::extract::{Path, Query, State, WebSocketUpgrade};
use axum::http::{StatusCode, header};
use axum::response::{Html, IntoResponse, Response};
use axum::routing::{any, get, put};
use axum::{Json, Router};
use rust_embed::Embed;
use std::collections::HashMap;
use std::net::SocketAddr;
use std::sync::{Arc, RwLock};
use std::time::{SystemTime, UNIX_EPOCH};
#[derive(Embed)]
#[folder = "assets/"]
struct EmbedAsset;
struct AppState {
sessions: RwLock<HashMap<String, Session>>,
}
impl AppState {
fn new() -> Self {
AppState {
sessions: RwLock::new(HashMap::new()),
}
}
}
#[tokio::main]
async fn main() {
let app = Router::new()
.route("/", get(serve_index))
.route("/dist/{*path}", get(serve_static))
.route("/session/{id}", get(visit_session).put(create_session))
.route("/session/{id}/hands", put(update_hands))
.route("/session/{id}/play", any(upgrade_play))
.with_state(Arc::new(AppState::new()));
let addr = SocketAddr::from(([127, 0, 0, 1], 3000));
let listener = tokio::net::TcpListener::bind(addr).await.unwrap();
axum::serve(listener, app).await.unwrap();
}
fn serve_template(template: impl Template) -> Result<Html<String>, &'static str> {
template.render()
.map(|html| Html(html))
.map_err(|err| {
eprintln!("Template render error: {}", err);
"Template render error"
})
}
async fn serve_index(State(state): State<Arc<AppState>>) -> axum::response::Result<Html<String>> {
let sessions = state.sessions.read().unwrap();
let template = IndexTemplate { sessions: &sessions };
Ok(serve_template(template)?)
}
async fn serve_static(Path(path): Path<String>) -> Response {
match EmbedAsset::get(path.as_str()) {
Some(content) => {
let mime = match path.split('.').next_back() {
Some("js") => "application/javascript",
_ => "application/octet-stream",
};
([(header::CONTENT_TYPE, mime)], content.data).into_response()
}
None => StatusCode::NOT_FOUND.into_response(),
}
}
async fn visit_session(
Path(id): Path<String>,
Query(query): Query<HashMap<String, String>>,
State(state): State<Arc<AppState>>,
) -> axum::response::Result<Html<String>> {
let passcode = query.get("passcode");
let sessions = state.sessions.read().unwrap();
let session = sessions.get(&id).ok_or((StatusCode::NOT_FOUND, "Session does not exist"))?;
if let Some(passcode) = passcode && passcode.as_str() == session.passcode {
let template = SessionTemplate { id: &id, session };
Ok(serve_template(template)?)
} else {
Err((StatusCode::FORBIDDEN, "Incorrect session passcode"))?
}
}
async fn create_session(
Path(id): Path<String>,
Query(query): Query<HashMap<String, String>>,
State(state): State<Arc<AppState>>,
) -> Response {
let name = query.get("name").cloned().unwrap_or("Unknown".to_string());
let passcode = SystemTime::now()
.duration_since(UNIX_EPOCH)
.map(|duration| duration.subsec_nanos())
.unwrap_or(675603000)
.to_string();
let mut sessions = state.sessions.write().unwrap();
let session = Session::new(name, passcode.clone());
sessions.insert(id, session);
(StatusCode::CREATED, passcode).into_response()
}
async fn update_hands(
Path(id): Path<String>,
State(state): State<Arc<AppState>>,
Json(payload): Json<HashMap<String, Vec<HandObject>>>,
) -> StatusCode {
let mut sessions = state.sessions.write().unwrap();
match sessions.get_mut(&id) {
Some(session) => {
session.hands = payload;
StatusCode::NO_CONTENT
}
None => StatusCode::NOT_FOUND,
}
}
async fn upgrade_play(ws: WebSocketUpgrade, State(state): State<Arc<AppState>>) -> Response {
ws.on_upgrade(|socket| handle_play(socket, state))
}
|
