add raw response

gotham_restful/src/result.rs

@@ -2,6 +2,8 @@ use crate::{ResourceType, StatusCode};
 #[cfg(feature = "openapi")]
 use crate::{OpenapiSchema, OpenapiType};
 use mime::{Mime, APPLICATION_JSON};
+#[cfg(feature = "openapi")]
+use openapiv3::{SchemaKind, StringFormat, StringType, Type, VariantOrUnknownOrEmpty};
 use serde::Serialize;
 use serde_json::error::Error as SerdeJsonError;
 use std::error::Error;
@@ -15,6 +17,15 @@ pub struct Response
 
 impl Response
 {
+	pub fn new(status : StatusCode, body : String, mime : Option<Mime>) -> Self
+	{
+		Self {
+			status,
+			body,
+			mime
+		}
+	}
+	
 	pub fn json(status : StatusCode, body : String) -> Self
 	{
 		Self {
@@ -243,10 +254,66 @@ impl<E : Error> ResourceResult for Result<NoContent, E>
 	}
 }
 
+pub struct Raw<T>
+{
+	pub raw : T,
+	pub mime : Mime
+}
+
+impl<T> Raw<T>
+{
+	pub fn new(raw : T, mime : Mime) -> Self
+	{
+		Self { raw, mime }
+	}
+}
+
+impl<T : ToString> ResourceResult for Raw<T>
+{
+	fn to_response(&self) -> Result<Response, SerdeJsonError>
+	{
+		Ok(Response::new(StatusCode::OK, self.raw.to_string(), Some(self.mime.clone())))
+	}
+	
+	#[cfg(feature = "openapi")]
+	fn schema() -> OpenapiSchema
+	{
+		OpenapiSchema::new(SchemaKind::Type(Type::String(StringType {
+			format: VariantOrUnknownOrEmpty::Item(StringFormat::Binary),
+			pattern: None,
+			enumeration: Vec::new()
+		})))
+	}
+}
+
+impl<T, E : Error> ResourceResult for Result<Raw<T>, E>
+where
+	Raw<T> : ResourceResult
+{
+	fn to_response(&self) -> Result<Response, SerdeJsonError>
+	{
+		match self {
+			Ok(raw) => raw.to_response(),
+			Err(e) => {
+				let err : ResourceError = e.into();
+				Ok(Response::json(StatusCode::INTERNAL_SERVER_ERROR, serde_json::to_string(&err)?))
+			}
+		}
+	}
+	
+	#[cfg(feature = "openapi")]
+	fn schema() -> OpenapiSchema
+	{
+		<Raw<T> as ResourceResult>::schema()
+	}
+}
+
+
 #[cfg(test)]
 mod test
 {
 	use super::*;
+	use mime::TEXT_PLAIN;
 	use thiserror::Error;
 	
 	#[derive(Debug, Default, Deserialize, Serialize)]
@@ -309,4 +376,15 @@ mod test
 		assert_eq!(res.body, "");
 		assert_eq!(res.mime, None);
 	}
+	
+	#[test]
+	fn raw_response()
+	{
+		let msg = "Test";
+		let raw = Raw::new(msg, TEXT_PLAIN);
+		let res = raw.to_response().expect("didn't expect error response");
+		assert_eq!(res.status, StatusCode::OK);
+		assert_eq!(res.body, msg);
+		assert_eq!(res.mime, Some(TEXT_PLAIN));
+	}
 }