refactor

backend/src/error.rs

@@ -0,0 +1,41 @@
+use axum::{
+    http::StatusCode,
+    response::{IntoResponse, Response},
+    Json,
+};
+
+use crate::models::ErrorResponse;
+
+pub enum AppError {
+    Unauthorized,
+    NotFound(String),
+    BadRequest(String),
+    Internal(String, Option<String>),
+}
+
+impl IntoResponse for AppError {
+    fn into_response(self) -> Response {
+        let (status, error_message, details) = match self {
+            AppError::Unauthorized => (StatusCode::UNAUTHORIZED, "Unauthorized".to_string(), None),
+            AppError::NotFound(msg) => (StatusCode::NOT_FOUND, msg, None),
+            AppError::BadRequest(msg) => (StatusCode::BAD_REQUEST, msg, None),
+            AppError::Internal(msg, details) => (StatusCode::INTERNAL_SERVER_ERROR, msg, details),
+        };
+
+        let body = Json(ErrorResponse {
+            error: error_message,
+            details,
+        });
+
+        (status, body).into_response()
+    }
+}
+
+impl<E> From<E> for AppError
+where
+    E: std::error::Error + Send + Sync + 'static,
+{
+    fn from(err: E) -> Self {
+        AppError::Internal("Internal Server Error".to_string(), Some(err.to_string()))
+    }
+}