first valid openapi spec generated

src/helper.rs

@@ -1,4 +1,11 @@
+#[cfg(feature = "openapi")]
+pub mod openapi
+{
+	pub use indexmap::IndexMap;
+	pub use openapiv3::{ObjectType, ReferenceOr, Schema, SchemaData, SchemaKind, Type};
+}
 
+#[cfg(not(feature = "openapi"))]
 #[macro_export]
 macro_rules! rest_struct {
 	($struct_name:ident { $($field_id:ident : $field_ty:ty),* }) => {
@@ -10,6 +17,52 @@ macro_rules! rest_struct {
 	}
 }
 
+#[cfg(feature = "openapi")]
+#[macro_export]
+macro_rules! rest_struct {
+	($struct_name:ident { $($field_id:ident : $field_ty:ty),* }) => {
+		#[derive(serde::Deserialize, serde::Serialize)]
+		struct $struct_name
+		{
+			$($field_id : $field_ty),*
+		}
+
+		impl ::gotham_restful::OpenapiType for $struct_name
+		{
+			fn schema_name() -> Option<String>
+			{
+				Some(stringify!($struct_name).to_string())
+			}
+			
+			fn to_schema() -> ::gotham_restful::helper::openapi::SchemaKind
+			{
+				use ::gotham_restful::helper::openapi::*;
+
+				let mut properties : IndexMap<String, ReferenceOr<Box<Schema>>> = IndexMap::new();
+				let mut required : Vec<String> = Vec::new();
+
+				$(
+					properties.insert(
+						stringify!($field_id).to_string(),
+						ReferenceOr::Item(Box::new(Schema {
+							schema_data: SchemaData::default(),
+							schema_kind: <$field_ty>::to_schema()
+						}))
+					);
+				)*
+				
+				SchemaKind::Type(Type::Object(ObjectType {
+					properties,
+					required,
+					additional_properties: None,
+					min_properties: None,
+					max_properties: None
+				}))
+			}
+		}
+	}
+}
+
 #[macro_export]
 macro_rules! rest_resource {
 	($res_name:ident, $route:ident => $setup:block) => {