feat: add doc endpoint

src/routes/v1/mod.rs

@@ -1,14 +1,19 @@
 pub mod chat;
 pub mod models;
-mod openapi;
 
 use crate::auth::middleware::auth_middleware;
+use crate::docs::ApiDoc;
 use crate::state::app_state::AppState;
-use axum::{Router, middleware, routing::get, routing::post};
+use axum::{Json, Router, middleware, routing::get, routing::post};
+use utoipa::OpenApi;
 
-// fn public_router() -> Router<AppState> {
-//     Router::new().route("/openapi.json", get(openapi::openapi_json))
-// }
+async fn openapi_json() -> Json<utoipa::openapi::OpenApi> {
+    Json(ApiDoc::openapi())
+}
+
+fn public_router() -> Router<AppState> {
+    Router::new().route("/openapi.json", get(openapi_json))
+}
 
 pub fn protected_router() -> Router<AppState> {
     Router::new()
@@ -21,6 +26,6 @@ pub fn protected_router() -> Router<AppState> {
 
 pub fn router() -> Router<AppState> {
     Router::new()
-        // .merge(public_router())
+        .merge(public_router())
         .merge(protected_router().layer(middleware::from_fn(auth_middleware)))
 }