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-rw-r--r--examples/form/src/main.rs84
1 files changed, 84 insertions, 0 deletions
diff --git a/examples/form/src/main.rs b/examples/form/src/main.rs
new file mode 100644
index 0000000..e354f9f
--- /dev/null
+++ b/examples/form/src/main.rs
@@ -0,0 +1,84 @@
+use std::convert::Infallible;
+use hyper::service::{service_fn, make_service_fn};
+use hyper::{Method, Server, StatusCode, Body};
+use hyper::http::request::Parts;
+use hyper::http::response::Builder;
+use serde::Deserialize;
+use sputnik::{mime, request::{SputnikParts, SputnikBody}, response::SputnikBuilder};
+use sputnik::request::FormError;
+
+type Response = hyper::Response<Body>;
+
+#[derive(thiserror::Error, Debug)]
+enum Error {
+ #[error("page not found")]
+ NotFound(String),
+ #[error("{0}")]
+ FormError(#[from] FormError)
+}
+
+fn render_error(err: Error) -> (StatusCode, String) {
+ match err {
+ Error::NotFound(msg) => (StatusCode::NOT_FOUND, msg),
+ Error::FormError(err) => (StatusCode::BAD_REQUEST, err.to_string()),
+ }
+}
+
+async fn route(req: &mut Parts, body: Body) -> Result<Response, Error> {
+ match (&req.method, req.uri.path()) {
+ (&Method::GET, "/form") => Ok(get_form(req)),
+ (&Method::POST, "/form") => post_form(req, body).await,
+ _ => return Err(Error::NotFound("page not found".to_owned()))
+ }
+}
+
+fn get_form(_req: &mut Parts) -> Response {
+ Builder::new()
+ .content_type(mime::TEXT_HTML)
+ .body(
+ "<form method=post><input name=text> <button>Submit</button></form>".into()
+ ).unwrap()
+}
+
+#[derive(Deserialize)]
+struct FormData {text: String}
+
+async fn post_form(_req: &mut Parts, body: Body) -> Result<Response, Error> {
+ let msg: FormData = body.into_form().await?;
+ Ok(Builder::new().body(
+ format!("hello {}", msg.text).into()
+ ).unwrap())
+}
+
+async fn service(req: hyper::Request<hyper::Body>) -> Result<hyper::Response<hyper::Body>, Infallible> {
+ let (mut parts, body) = req.into_parts();
+ match route(&mut parts, body).await {
+ Ok(mut res) => {
+ for (k,v) in parts.response_headers().iter() {
+ res.headers_mut().append(k, v.clone());
+ }
+ Ok(res)
+ }
+ Err(err) => {
+ let (code, message) = render_error(err);
+ // you can easily wrap or log errors here
+ Ok(hyper::Response::builder().status(code).body(message.into()).unwrap())
+ }
+ }
+}
+
+#[tokio::main]
+async fn main() {
+ let service = make_service_fn(move |_| {
+ async move {
+ Ok::<_, hyper::Error>(service_fn(move |req| {
+ service(req)
+ }))
+ }
+ });
+
+ let addr = ([127, 0, 0, 1], 8000).into();
+ let server = Server::bind(&addr).serve(service);
+ println!("Listening on http://{}", addr);
+ server.await;
+} \ No newline at end of file