oapi: Add extensions support for OpenApi (#897)

* oapi: Add extensions support for OpenApi

* Format Rust code using rustfmt

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

crates/oapi/src/openapi/mod.rs

@@ -134,6 +134,10 @@ pub struct OpenApi {
     /// All the references and invidual files could use their own schema dialect.
     #[serde(rename = "$schema", default, skip_serializing_if = "String::is_empty")]
     pub schema: String,
+
+    /// Optional extensions "x-something".
+    #[serde(skip_serializing_if = "Option::is_none", flatten)]
+    pub extensions: Option<PropMap<String, serde_json::Value>>,
 }
 
 impl OpenApi {
@@ -399,6 +403,12 @@ impl OpenApi {
         self
     }
 
+    /// Add openapi extensions (`x-something`) for [`OpenApi`].
+    pub fn extensions(mut self, extensions: PropMap<String, serde_json::Value>) -> Self {
+        self.extensions = Some(extensions);
+        self
+    }
+
     /// Consusmes the [`OpenApi`] and returns [`Router`] with the [`OpenApi`] as handler.
     pub fn into_router(self, path: impl Into<String>) -> Router {
         Router::with_path(path.into()).goal(self)

crates/oapi/src/openapi/schema/all_of.rs

@@ -145,8 +145,8 @@ impl AllOf {
     }
 
     /// Add openapi extensions (`x-something`) for [`AllOf`].
-    pub fn extensions(mut self, extensions: Option<PropMap<String, serde_json::Value>>) -> Self {
-        self.extensions = extensions;
+    pub fn extensions(mut self, extensions: PropMap<String, serde_json::Value>) -> Self {
+        self.extensions = Some(extensions);
         self
     }
 }

crates/oapi/src/openapi/schema/any_of.rs

@@ -145,8 +145,8 @@ impl AnyOf {
     }
 
     /// Add openapi extensions (`x-something`) for [`AnyOf`].
-    pub fn extensions(mut self, extensions: Option<PropMap<String, serde_json::Value>>) -> Self {
-        self.extensions = extensions;
+    pub fn extensions(mut self, extensions: PropMap<String, serde_json::Value>) -> Self {
+        self.extensions = Some(extensions);
         self
     }
 }

crates/oapi/src/openapi/schema/array.rs

@@ -176,8 +176,8 @@ impl Array {
     }
 
     /// Add openapi extensions (`x-something`) for [`Array`].
-    pub fn extensions(mut self, extensions: Option<PropMap<String, serde_json::Value>>) -> Self {
-        self.extensions = extensions;
+    pub fn extensions(mut self, extensions: PropMap<String, serde_json::Value>) -> Self {
+        self.extensions = Some(extensions);
         self
     }
 }

crates/oapi/src/openapi/schema/object.rs

@@ -344,8 +344,8 @@ impl Object {
     }
 
     /// Add openapi extensions (`x-something`) for [`Object`].
-    pub fn extensions(mut self, extensions: Option<PropMap<String, serde_json::Value>>) -> Self {
-        self.extensions = extensions;
+    pub fn extensions(mut self, extensions: PropMap<String, serde_json::Value>) -> Self {
+        self.extensions = Some(extensions);
         self
     }
 

crates/oapi/src/openapi/schema/one_of.rs

@@ -145,8 +145,8 @@ impl OneOf {
     }
 
     /// Add openapi extensions (`x-something`) for [`OneOf`].
-    pub fn extensions(mut self, extensions: Option<PropMap<String, serde_json::Value>>) -> Self {
-        self.extensions = extensions;
+    pub fn extensions(mut self, extensions: PropMap<String, serde_json::Value>) -> Self {
+        self.extensions = Some(extensions);
         self
     }
 }