Files
rojo/server/src/web/interface.rs
2019-02-22 15:11:27 -08:00

121 lines
3.7 KiB
Rust

//! Defines the HTTP-based UI. These endpoints generally return HTML and SVG.
use std::sync::Arc;
use futures::{future, Future};
use hyper::{
service::Service,
header,
Body,
Method,
StatusCode,
Request,
Response,
};
use ritz::html;
use crate::{
live_session::LiveSession,
visualize::{VisualizeRbxSession, VisualizeImfs, graphviz_to_svg},
};
static HOME_CSS: &str = include_str!("../../assets/index.css");
pub struct InterfaceService {
live_session: Arc<LiveSession>,
server_version: &'static str,
}
impl Service for InterfaceService {
type ReqBody = Body;
type ResBody = Body;
type Error = hyper::Error;
type Future = Box<dyn Future<Item = Response<Self::ReqBody>, Error = Self::Error> + Send>;
fn call(&mut self, request: Request<Self::ReqBody>) -> Self::Future {
let response = match (request.method(), request.uri().path()) {
(&Method::GET, "/") => self.handle_home(),
(&Method::GET, "/visualize/rbx") => self.handle_visualize_rbx(),
(&Method::GET, "/visualize/imfs") => self.handle_visualize_imfs(),
_ => Response::builder()
.status(StatusCode::NOT_FOUND)
.body(Body::empty())
.unwrap(),
};
Box::new(future::ok(response))
}
}
impl InterfaceService {
pub fn new(live_session: Arc<LiveSession>) -> InterfaceService {
InterfaceService {
live_session,
server_version: env!("CARGO_PKG_VERSION"),
}
}
fn handle_home(&self) -> Response<Body> {
let page = html! {
<html>
<head>
<title>"Rojo"</title>
<style>
{ ritz::UnescapedText::new(HOME_CSS) }
</style>
</head>
<body>
<div class="main">
<h1 class="title">
"Rojo Live Sync is up and running!"
</h1>
<h2 class="subtitle">
"Version " { self.server_version }
</h2>
<a class="docs" href="https://lpghatguy.github.io/rojo">
"Rojo Documentation"
</a>
</div>
</body>
</html>
};
Response::builder()
.header(header::CONTENT_TYPE, "text/html")
.body(Body::from(format!("<!DOCTYPE html>{}", page)))
.unwrap()
}
fn handle_visualize_rbx(&self) -> Response<Body> {
let rbx_session = self.live_session.rbx_session.lock().unwrap();
let dot_source = format!("{}", VisualizeRbxSession(&rbx_session));
match graphviz_to_svg(&dot_source) {
Some(svg) => Response::builder()
.header(header::CONTENT_TYPE, "image/svg+xml")
.body(Body::from(svg))
.unwrap(),
None => Response::builder()
.header(header::CONTENT_TYPE, "text/plain")
.body(Body::from(dot_source))
.unwrap(),
}
}
fn handle_visualize_imfs(&self) -> Response<Body> {
let imfs = self.live_session.imfs.lock().unwrap();
let dot_source = format!("{}", VisualizeImfs(&imfs));
match graphviz_to_svg(&dot_source) {
Some(svg) => Response::builder()
.header(header::CONTENT_TYPE, "image/svg+xml")
.body(Body::from(svg))
.unwrap(),
None => Response::builder()
.header(header::CONTENT_TYPE, "text/plain")
.body(Body::from(dot_source))
.unwrap(),
}
}
}