create extractor for hx-request

src/lib/hx_request.rs

@@ -0,0 +1,20 @@
+use std::convert::Infallible;
+
+use axum::{async_trait, extract::FromRequestParts, http::request::Parts};
+
+const HX_REQUEST: &str = "HX-Request";
+
+#[derive(Debug, Copy, Clone)]
+pub struct HxRequest(bool);
+
+#[async_trait]
+impl<S> FromRequestParts<S> for HxRequest
+where
+    S: Send + Sync,
+{
+    type Rejection = Infallible;
+
+    async fn from_request_parts(parts: &mut Parts, _state: &S) -> Result<Self, Infallible> {
+        Ok(HxRequest(parts.headers.get(HX_REQUEST).is_some()))
+    }
+}

src/lib/mod.rs

@@ -1,3 +1,4 @@
 pub mod models;
 pub mod schema;
 pub mod report;
+pub mod hx_request;