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use http_body_util::Full;
use hyper::body::Bytes;
use hyper::header::{
HeaderName, HeaderValue, CACHE_CONTROL, CONTENT_TYPE, LOCATION,
};
use hyper::{Response, StatusCode};
use std::collections::HashMap;
use crate::controller::error;
pub fn with_headers(
response: Response<Full<Bytes>>,
headers: Vec<(HeaderName, &str)>,
) -> Response<Full<Bytes>> {
let mut response = response;
let response_headers = response.headers_mut();
for (name, value) in headers {
response_headers.insert(name, HeaderValue::from_str(value).unwrap());
}
response
}
pub fn template(
assets: &HashMap<String, String>,
templates: &minijinja::Environment<'_>,
path: &str,
context: minijinja::Value,
) -> Response<Full<Bytes>> {
let context = minijinja::context! { ..context, ..minijinja::context! {
assets => assets
}};
match render_template(templates, path, context) {
Ok(template) => with_headers(
Response::new(template.into()),
vec![(CONTENT_TYPE, "text/html"), (CACHE_CONTROL, "no-cache")],
),
Err(err) => {
log::error!("ERROR template rendering {}\n{:?}", path, err);
server_error(
assets,
templates,
&format!(
"Erreur lors de la préparation de la page : {:?}",
err
),
)
}
}
}
fn render_template(
templates: &minijinja::Environment<'_>,
name: &str,
context: minijinja::Value,
) -> Result<String, minijinja::Error> {
let template = templates.get_template(name)?;
template.render(context)
}
fn server_error(
assets: &HashMap<String, String>,
templates: &minijinja::Environment<'_>,
msg: &str,
) -> Response<Full<Bytes>> {
with_headers(
Response::new(
error::template(assets, templates, "Erreur serveur", msg).into(),
),
vec![(CONTENT_TYPE, "text/html"), (CACHE_CONTROL, "no-cache")],
)
}
pub fn text(str: String) -> Response<Full<Bytes>> {
let mut response = Response::new(str.into());
*response.status_mut() = StatusCode::OK;
response
}
pub fn ok() -> Response<Full<Bytes>> {
let mut response = Response::default();
*response.status_mut() = StatusCode::OK;
response
}
pub fn redirect(uri: &str) -> Response<Full<Bytes>> {
let mut response = Response::default();
*response.status_mut() = StatusCode::MOVED_PERMANENTLY;
with_headers(response, vec![(LOCATION, uri), (CACHE_CONTROL, "no-cache")])
}
pub fn not_found() -> Response<Full<Bytes>> {
let mut response = Response::default();
*response.status_mut() = StatusCode::NOT_FOUND;
response
}
pub async fn file(filename: &str, content_type: &str) -> Response<Full<Bytes>> {
if let Ok(contents) = tokio::fs::read(filename).await {
with_headers(
Response::new(Full::new(contents.into())),
vec![
(CACHE_CONTROL, "max-age=3153600000"),
(CONTENT_TYPE, content_type),
],
)
} else {
not_found()
}
}
|
