feature: implementing yaml openapi spec (#44)

integrationos-api/Cargo.toml

@@ -42,6 +42,7 @@ tower_governor = "0.3.2"
 tracing-subscriber.workspace = true
 tracing.workspace = true
 validator.workspace = true
+serde_yaml = "0.9.34"
 
 [dev-dependencies]
 testcontainers-modules = { workspace = true, features = ["mongo", "redis"] }

integrationos-api/src/endpoints/openapi.rs

@@ -126,6 +126,30 @@ pub async fn refresh_openapi(
     ))
 }
 
+#[tracing::instrument(name = "Get OpenAPI schema YAML", skip(state))]
+pub async fn get_openapi_yaml(
+    state: State<Arc<AppState>>,
+) -> Result<(StatusCode, Vec<u8>), ApiError> {
+    let spec = get_openapi(state).await;
+
+    match spec {
+        Ok((status_code, Json(spec))) => {
+            let try_yaml: serde_yaml::Value = serde_yaml::to_value(spec).map_err(|e| {
+                error!("Could not serialize openapi schema to yaml: {:?}", e);
+                internal_server_error!()
+            })?;
+
+            let text = serde_yaml::to_string(&try_yaml).map_err(|e| {
+                error!("Could not serialize openapi schema to yaml: {:?}", e);
+                internal_server_error!()
+            })?;
+
+            Ok((status_code, text.into_bytes()))
+        }
+        Err(e) => Err(e),
+    }
+}
+
 #[tracing::instrument(name = "Get OpenAPI schema", skip(state))]
 pub async fn get_openapi(
     state: State<Arc<AppState>>,

integrationos-api/src/routes/public.rs

@@ -39,6 +39,7 @@ pub fn get_router(state: &Arc<AppState>) -> Router<Arc<AppState>> {
             >),
         )
         .route("/openapi", get(openapi::get_openapi))
+        .route("/openapi/yaml", get(openapi::get_openapi_yaml))
         .route(
             "/connection-data/models/:platform_name",
             get(connection_model_schema::get_platform_models),