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#![deny(warnings)]
use std::sync::Arc;
use handlebars::Handlebars;
use serde::Serialize;
use serde_json::json;
use warp::Filter;
struct WithTemplate<T: Serialize> {
name: &'static str,
value: T,
}
fn render<T>(template: WithTemplate<T>, hbs: Arc<Handlebars<'_>>) -> impl warp::Reply
where
T: Serialize,
{
let render = hbs
.render(template.name, &template.value)
.unwrap_or_else(|err| err.to_string());
warp::reply::html(render)
}
#[tokio::main]
async fn main() {
let template = "<!DOCTYPE html>
<html>
<head>
<title>Warp Handlebars template example</title>
</head>
<body>
<h1>Hello {{user}}!</h1>
</body>
</html>";
let mut hb = Handlebars::new();
// register the template
hb.register_template_string("template.html", template)
.unwrap();
// Turn Handlebars instance into a Filter so we can combine it
// easily with others...
let hb = Arc::new(hb);
// Create a reusable closure to render template
let handlebars = move |with_template| render(with_template, hb.clone());
//GET /
let route = warp::get()
.and(warp::path::end())
.map(|| WithTemplate {
name: "template.html",
value: json!({"user" : "Warp"}),
})
.map(handlebars);
warp::serve(route).run(([127, 0, 0, 1], 3030)).await;
}
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