Add fmt options and move handlers

emgauwa-core/src/handlers/mod.rs

@@ -0,0 +1,38 @@
+use actix_web::{error, Error, HttpRequest, HttpResponse};
+use serde::ser::SerializeStruct;
+use serde::{Serialize, Serializer};
+
+pub(crate) mod errors;
+pub mod v1;
+
+enum EmgauwaJsonPayLoadError {
+	Error(error::JsonPayloadError),
+}
+
+impl Serialize for EmgauwaJsonPayLoadError {
+	fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+	where
+		S: Serializer,
+	{
+		let mut s = serializer.serialize_struct("error", 3)?;
+		s.serialize_field("type", "json-payload-error")?;
+		s.serialize_field("code", &400)?;
+		s.serialize_field(
+			"description",
+			&match self {
+				EmgauwaJsonPayLoadError::Error(err) => format!("{}", err),
+			},
+		)?;
+		s.end()
+	}
+}
+
+pub fn json_error_handler(err: error::JsonPayloadError, _: &HttpRequest) -> Error {
+	error::InternalError::from_response(
+		"",
+		HttpResponse::BadRequest()
+			.content_type("application/json")
+			.json(EmgauwaJsonPayLoadError::Error(err)),
+	)
+	.into()
+}