Implement basic error handling with anyhow

This commit is contained in:
2023-03-12 21:11:30 +01:00
parent 02dcb9d5d0
commit 81b7339634
4 changed files with 136 additions and 104 deletions

26
src/error.rs Normal file
View File

@ -0,0 +1,26 @@
use axum::{response::{IntoResponse, Response}, http::StatusCode};
pub struct AppError(anyhow::Error);
// Tell axum how to convert `AppError` into a response.
impl IntoResponse for AppError {
fn into_response(self) -> Response {
let status_code = match self.0.downcast_ref::<StatusCode>() {
Some(status_code) => *status_code,
None => StatusCode::INTERNAL_SERVER_ERROR,
};
tracing::error!("{:#}", self.0);
status_code.into_response()
}
}
// This enables using `?` on functions that return `Result<_, anyhow::Error>` to turn them into
// `Result<_, AppError>`. That way you don't need to do that manually.
impl<E> From<E> for AppError
where
E: Into<anyhow::Error>,
{
fn from(err: E) -> Self {
Self(err.into())
}
}