init

crates/adapters/http-axum/src/extractors/path_id.rs

@@ -0,0 +1,38 @@
+use axum::Json;
+use axum::extract::Path;
+use axum::http::StatusCode;
+use axum::response::{IntoResponse, Response};
+
+pub struct PathId<T>(pub T);
+
+pub struct PathIdRejection(String);
+
+impl IntoResponse for PathIdRejection {
+    fn into_response(self) -> Response {
+        let body = serde_json::json!({ "error": self.0 });
+        (StatusCode::BAD_REQUEST, Json(body)).into_response()
+    }
+}
+
+impl<S, T> axum::extract::FromRequestParts<S> for PathId<T>
+where
+    S: Send + Sync,
+    T: From<uuid::Uuid>,
+{
+    type Rejection = PathIdRejection;
+
+    async fn from_request_parts(
+        parts: &mut axum::http::request::Parts,
+        state: &S,
+    ) -> Result<Self, Self::Rejection> {
+        let Path(id_str) = Path::<String>::from_request_parts(parts, state)
+            .await
+            .map_err(|e| PathIdRejection(format!("invalid path parameter: {e}")))?;
+
+        let uuid: uuid::Uuid = id_str
+            .parse()
+            .map_err(|_| PathIdRejection(format!("invalid UUID: {id_str}")))?;
+
+        Ok(PathId(T::from(uuid)))
+    }
+}