add(http): custom error type for http request

2026-07-15 14:23:32 +01:00
parent 4dfc33ca92
commit 6168593755
5 changed files with 158 additions and 130 deletions
@@ -0,0 +1,59 @@
+use axum::{
+    body::Body,
+    http::{Response, StatusCode},
+    response::IntoResponse,
+};
+use thiserror::Error;
+
+#[derive(Error, Debug)]
+pub enum HttpError {
+    #[error("db shit itself: {0}")]
+    DbErr(#[from] sea_orm::DbErr),
+    #[error("hashing failed")]
+    Hash,
+    #[error("resource not found")]
+    NotFound,
+    #[error("unauthorized")]
+    Unauthorized,
+    #[error("forbidden")]
+    Forbidden,
+    #[error("conflict")]
+    Conflict,
+    #[error("bad request: {0}")]
+    BadRequest(String),
+    #[error("unprocessable entity: {0}")]
+    Unprocessable(String),
+    #[error("not acceptable: {0}")]
+    NotAcceptable(String),
+    #[error("internal error")]
+    Internal,
+}
+
+impl HttpError {
+    fn status(&self) -> StatusCode {
+        match self {
+            Self::DbErr(_) | Self::Hash | Self::Internal => StatusCode::INTERNAL_SERVER_ERROR,
+            Self::NotFound => StatusCode::NOT_FOUND,
+            Self::Unauthorized => StatusCode::UNAUTHORIZED,
+            Self::Forbidden => StatusCode::FORBIDDEN,
+            Self::Conflict => StatusCode::CONFLICT,
+            Self::BadRequest(_) => StatusCode::BAD_REQUEST,
+            Self::Unprocessable(_) => StatusCode::UNPROCESSABLE_ENTITY,
+            Self::NotAcceptable(_) => StatusCode::NOT_ACCEPTABLE,
+        }
+    }
+}
+
+impl IntoResponse for HttpError {
+    fn into_response(self) -> Response<Body> {
+        let status = self.status();
+        // Only surface a message body for client (4xx) errors; keep an empty
+        // body for 5xx so internal details aren't leaked.
+        let body = if status.is_client_error() {
+            self.to_string()
+        } else {
+            String::new()
+        };
+        (status, body).into_response()
+    }
+}