use axum::http::StatusCode;
use axum::response::{IntoResponse, Response};
#[derive(Debug, thiserror::Error)]
pub enum AppError {
#[error("Not found: {0}")]
NotFound(String),
#[error("Validation error: {0}")]
Validation(String),
#[error("Database error: {0}")]
Database(#[from] sqlx::Error),
#[error("Internal error: {0}")]
Internal(String),
#[error("Unauthorized: {0}")]
Unauthorized(String),
}
impl From<AppError> for tonic::Status {
fn from(err: AppError) -> Self {
match err {
AppError::NotFound(msg) => tonic::Status::not_found(msg),
AppError::Validation(msg) => tonic::Status::invalid_argument(msg),
AppError::Database(e) => tonic::Status::internal(format!("Database error: {e}")),
AppError::Internal(msg) => tonic::Status::internal(msg),
AppError::Unauthorized(msg) => tonic::Status::unauthenticated(msg),
}
}
}
impl IntoResponse for AppError {
fn into_response(self) -> Response {
let (status, message) = match self {
AppError::NotFound(msg) => (StatusCode::NOT_FOUND, msg),
AppError::Validation(msg) => (StatusCode::BAD_REQUEST, msg),
AppError::Database(ref e) => (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()),
AppError::Internal(msg) => (StatusCode::INTERNAL_SERVER_ERROR, msg),
AppError::Unauthorized(msg) => (StatusCode::UNAUTHORIZED, msg),
};
(status, message).into_response()
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_unauthorized_to_status() {
let err = AppError::Unauthorized("test".into());
let status: tonic::Status = err.into();
assert_eq!(status.code(), tonic::Code::Unauthenticated);
}
}