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use std::convert::Infallible;
use std::{include_str, env};
use std::net::SocketAddr;
use hyper::{Body, Request, Response, Server};
use hyper::service::{make_service_fn, service_fn};
use regex::Regex;
use sailfish::TemplateOnce;
#[derive(TemplateOnce)]
#[template(path = "index.html")]
struct IndexTemplate {
posts: [Post; 2],
}
#[derive(TemplateOnce)]
#[template(path = "post.html")]
struct PostTemplate {
content: &'static str,
}
struct Post(
u8,
&'static str,
&'static str,
);
const POSTS: [Post; 2] = [
Post(
0,
"K8S private gitlab registry using podman",
include_str!("../assets/post1.html"),
),
Post(
1,
"Automation part 1",
include_str!("../assets/post2.html"),
),
];
fn get_path_id(path: &str) -> usize {
let re = Regex::new(r"(?P<id>\d+)").unwrap();
let caps = re.captures(path).unwrap();
let id = &caps["id"];
return id.parse::<usize>().unwrap();
}
async fn index() -> Result<Response<Body>, Infallible> {
let body = IndexTemplate { posts: POSTS }
.render_once()
.unwrap();
let resp: Response<Body> = Response::builder()
.status(200)
.header("posts-type", "text/html")
.body(body.into())
.unwrap();
Ok(resp)
}
async fn post(index: usize) -> Result<Response<Body>, Infallible> {
let body = PostTemplate { content: POSTS[index].2 }
.render_once()
.unwrap();
let resp: Response<Body> = Response::builder()
.status(200)
.header("posts-type", "text/html")
.body(body.into())
.unwrap();
Ok(resp)
}
async fn request(req: Request<Body>) -> Result<Response<Body>, Infallible> {
let path = req.uri().path();
if path == "/favicon.ico" {
return index().await
}
if path != "/" {
let index = get_path_id(&path);
return post(index).await;
}
return index().await;
}
#[tokio::main]
async fn main() {
let port = env::var("PORT").unwrap_or("3000".into()).parse::<u16>().unwrap_or(300);
let addr = SocketAddr::from(([127, 0, 0, 1], port));
let make_svc = make_service_fn(|_conn| async {
Ok::<_, Infallible>(service_fn(request))
});
let server = Server::bind(&addr).serve(make_svc);
if let Err(e) = server.await {
eprintln!("server error: {}", e);
}
}
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