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Add HTML template example (#17)

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David Pedersen 2021-06-13 13:58:12 +02:00 • committed by GitHub
parent 460828a3cb
commit 2f6699aeae
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1
Cargo.toml
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@ -40,6 +40,7 @@ sha-1 = { optional = true, version = "0.9.6" }
base64 = { optional = true, version = "0.13" }
[dev-dependencies]
askama = "0.10.5"
hyper = { version = "0.14", features = ["full"] }
reqwest = { version = "0.11", features = ["json", "stream"] }
serde = { version = "1.0", features = ["derive"] }

4
askama.toml Normal file
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@ -0,0 +1,4 @@
# used to configure askama used in some examples
[general]
dirs = ["examples/templates"]

54
examples/templates.rs Normal file
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@ -0,0 +1,54 @@
use askama::Template;
use awebframework::{prelude::*, response::IntoResponse};
use http::{Response, StatusCode};
use std::net::SocketAddr;
#[tokio::main]
async fn main() {
tracing_subscriber::fmt::init();
// build our application with some routes
let app = route("/greet/:name", get(greet));
// run it
let addr = SocketAddr::from(([127, 0, 0, 1], 3000));
tracing::debug!("listening on {}", addr);
app.serve(&addr).await.unwrap();
}
async fn greet(params: extract::UrlParamsMap) -> impl IntoResponse {
let name = params
.get("name")
.expect("`name` will be there if route was matched")
.to_string();
let template = HelloTemplate { name };
HtmlTemplate(template)
}
#[derive(Template)]
#[template(path = "hello.html")]
struct HelloTemplate {
name: String,
}
struct HtmlTemplate<T>(T);
impl<T> IntoResponse for HtmlTemplate<T>
where
T: Template,
{
fn into_response(self) -> http::Response<Body> {
match self.0.render() {
Ok(html) => response::Html(html).into_response(),
Err(err) => Response::builder()
.status(StatusCode::INTERNAL_SERVER_ERROR)
.body(Body::from(format!(
"Failed to render template. Error: {}",
err
)))
.unwrap(),
}
}
}

1
examples/templates/hello.html Normal file
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@ -0,0 +1 @@
<h1>Hello, {{ name }}!</h1>