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|
//! Complementary web service for Tabletop Simulator.
//!
//! This service is based on Tabletop Ambulator, which allows hosts on Tabletop Simulator to grant
//! access to players to access and manage the contents of their hands from without using the game
//! screen by using a web browser.
#![warn(
missing_docs,
missing_debug_implementations
)]
mod play;
mod session;
mod template;
use std::array;
use crate::play::handle_play;
use crate::session::{HandObject, PlayerColor, Session};
use crate::template::{IndexTemplate, SessionTemplate};
use askama::Template;
use axum::extract::{Path, Query, State, WebSocketUpgrade};
use axum::http::{StatusCode, header};
use axum::response::{ErrorResponse, Html, IntoResponse, Redirect, 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, Mutex, RwLock};
#[derive(Embed)]
#[folder = "assets/"]
struct EmbedAsset;
struct AppState {
sessions: RwLock<HashMap<String, Arc<Mutex<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("/find-session", get(find_session))
.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();
}
async fn serve_index() -> axum::response::Result<Html<String>> {
let template = IndexTemplate;
Template::render(&template)
.map(Html)
.inspect_err(|e| eprintln!("Template render error: {}", e))
.map_err(|_| ErrorResponse::from(StatusCode::INTERNAL_SERVER_ERROR))
}
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",
Some("css") => "text/css",
_ => "application/octet-stream",
};
([(header::CONTENT_TYPE, mime)], content.data).into_response()
}
None => StatusCode::NOT_FOUND.into_response(),
}
}
async fn find_session(
Query(query): Query<HashMap<String, String>>,
) -> axum::response::Result<Redirect> {
let id = query.get("id").ok_or(StatusCode::NOT_FOUND)?;
Ok(Redirect::to(format!("/session/{}", id).as_str()))
}
async fn visit_session(
Path(id): Path<String>,
State(state): State<Arc<AppState>>,
) -> axum::response::Result<Html<String>> {
let sessions = state.sessions.read().unwrap();
let session = sessions
.get(&id)
.ok_or((StatusCode::NOT_FOUND, "Session does not exist"))?
.lock()
.unwrap();
let template = SessionTemplate {
id: id.as_str(),
session: &session,
};
Template::render(&template)
.map(Html)
.inspect_err(|e| eprintln!("Template render error: {}", e))
.map_err(|_| ErrorResponse::from(StatusCode::INTERNAL_SERVER_ERROR))
}
async fn create_session(
Path(id): Path<String>,
Query(query): Query<HashMap<String, String>>,
State(state): State<Arc<AppState>>,
) -> StatusCode {
let name = query.get("name").cloned().unwrap_or("Unknown".to_string());
let mut sessions = state.sessions.write().unwrap();
let session = Session::new(name);
sessions.insert(id, Arc::new(Mutex::new(session)));
StatusCode::CREATED
}
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();
let hand = array::from_fn(|i| {
let color = PlayerColor::try_from(i);
let color = color.as_ref().map(AsRef::as_ref);
if let Ok(color) = color {
// It would not be necessary to clone here if the vector could be moved, which could be
// done if payload was mutable
payload.get(color).cloned().unwrap_or_else(Vec::new)
} else {
Vec::new()
}
});
match sessions.get_mut(&id) {
Some(session) => {
let mut session = session.lock().unwrap();
session.update_hands(hand);
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))
}
|
