Impelemented ApiError enum and implemented Display of error and status code return

src/stratum-api-s3/src/errors/error.rs

@@ -1,3 +1,5 @@
+use std::fmt::write;
+
 use axum::{
     response::{IntoResponse, Response},
     http::StatusCode
@@ -29,8 +31,39 @@ pub enum ApiError {
 
 impl std::fmt::Display for ApiError {
     fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
-        match Self {
+        match self {
             //TODO: Add Api Error messages
+            ApiError::AuthorizationFailed => write!(f, "AuthorizationFailed"),
+            ApiError::BucketAlreadyExists => write!(f, "BucketAlreadyExists"),
+            ApiError::BucketNotFound => write!(f, "BucketNotFound"),
+            ApiError::InternalError(message) => write!(f, "InternalError: {}", message),
+            ApiError::InvalidArgument(message) => write!(f, "InvalidArgument: {}", message),
+            ApiError::InvalidBucketName => write!(f, "InvalidBucketName"),
+            ApiError::MissingAuthHeader => write!(f, "MissingAuthHeader"),
+            ApiError::NotImplemented =>  write!(f, "NotImplemented"),
+            ApiError::ObjectNotFound => write!(f, "ObjectNotFound")
         }
     }
 }
+
+impl ApiError {
+    fn status_code(&self) -> StatusCode {
+        match self {
+            ApiError::BucketNotFound => StatusCode::NOT_FOUND,
+            ApiError::ObjectNotFound => StatusCode::NOT_FOUND,
+            ApiError::BucketAlreadyExists => StatusCode::CONFLICT,
+            ApiError::InvalidArgument(_) => StatusCode::BAD_REQUEST,
+            ApiError::InvalidBucketName => StatusCode::BAD_REQUEST,
+            ApiError::AuthorizationFailed => StatusCode::FORBIDDEN,
+            ApiError::MissingAuthHeader => StatusCode::UNAUTHORIZED,
+            ApiError::InternalError(_) => StatusCode::INTERNAL_SERVER_ERROR,
+            ApiError::NotImplemented => StatusCode::NOT_IMPLEMENTED,
+        }
+    }
+}
+
+impl IntoResponse for ApiError {
+    fn into_response(self) -> Response {
+        (self.status_code(), self.to_string()).into_response()
+    }
+}