feat: Add HX-Request header extraction to CPS endpoint

crates/app/src/pages/cps.rs

@@ -1,9 +1,34 @@
 use askama_axum::Template;
+use axum::{
+    async_trait,
+    extract::FromRequestParts,
+    http::{request::Parts, HeaderMap, StatusCode},
+};
 
 #[derive(Template)]
 #[template(path = "pages/cps.html")]
 pub struct CpsTemplate;
 
-pub async fn cps() -> CpsTemplate {
+pub struct ExtractHxRequest(bool);
+
+#[async_trait]
+impl<S> FromRequestParts<S> for ExtractHxRequest
+where
+    S: Send + Sync,
+{
+    type Rejection = (StatusCode, &'static str);
+
+    async fn from_request_parts(parts: &mut Parts, _state: &S) -> Result<Self, Self::Rejection> {
+        if parts.headers.get("HX-Request").is_some() {
+            Ok(ExtractHxRequest(true))
+        } else {
+            Ok(ExtractHxRequest(false))
+        }
+    }
+}
+
+pub async fn cps(headers: HeaderMap, hx_request: ExtractHxRequest) -> CpsTemplate {
+    println!("{:#?}", headers);
+    println!("{:#?}", hx_request.0);
     CpsTemplate
 }