Implement rate limiting middleware for authentication endpoints, adding security headers middleware, and comprehensive error handling. Enhance validation tests for various DTOs and ensure proper functionality of gacha credits and rolls. Add unit tests for rate limiting and security headers middleware to validate behavior under different conditions.

imphnen-gacha/src/v1/gacha_credits/gacha_credits_controller.rs

@@ -0,0 +1,35 @@
+use axum::{
+    extract::Json,
+    http::HeaderMap,
+    response::Response,
+    Extension,
+};
+use crate::AppState;
+use crate::v1::gacha_credits::gacha_credits_dto::GachaCreditRequestDto;
+use crate::v1::gacha_credits::gacha_credits_service::GachaCreditService;
+
+pub struct GachaCreditController;
+
+impl GachaCreditController {
+    pub async fn get_user_credits(
+        headers: HeaderMap,
+        Extension(state): Extension<AppState>,
+    ) -> Response {
+        GachaCreditService::get_user_credits(&headers, &state).await
+    }
+
+    pub async fn add_user_credits(
+        headers: HeaderMap,
+        Extension(state): Extension<AppState>,
+        Json(payload): Json<GachaCreditRequestDto>,
+    ) -> Response {
+        GachaCreditService::add_user_credits(&headers, &state, payload).await
+    }
+
+    pub async fn consume_user_credit(
+        headers: HeaderMap,
+        Extension(state): Extension<AppState>,
+    ) -> Response {
+        GachaCreditService::consume_user_credit(&headers, &state).await
+    }
+}