fix: fix clippy errors in main

Cargo.toml

@@ -6,8 +6,9 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [features]
-default = ["kms"]
+default = ["kms", "middleware"]
 kms = ["dep:aws-config", "dep:aws-sdk-kms"]
+middleware = []
 
 [dependencies]
 aws-config = { version = "0.55.3", optional = true }

src/middleware.rs

@@ -69,8 +69,6 @@ pub async fn middleware(
     .report_unwrap()?;
 
     Ok(Response::new(
-        jwe_encrypted
-            .map_err(|err| axum::Error::new(err))
-            .boxed_unsync(),
+        jwe_encrypted.map_err(axum::Error::new).boxed_unsync(),
     ))
 }

src/routes/data.rs

@@ -18,7 +18,7 @@ use crate::{
 };
 
 #[cfg(feature = "middleware")]
-use crate::middleware;
+use crate::middleware as custom_middleware;
 
 mod transformers;
 pub mod types;
@@ -34,11 +34,12 @@ pub fn serve(#[cfg(feature = "middleware")] state: AppState) -> axum::Router<App
 
     #[cfg(feature = "middleware")]
     {
-        router = router.layer(middleware::from_fn_with_state(
+        router.layer(middleware::from_fn_with_state(
             state,
-            middleware::middleware,
+            custom_middleware::middleware,
         ))
     }
+    #[cfg(not(feature = "middleware"))]
     router
 }