garage/src/model/helper/error.rs

51 lines
1.1 KiB
Rust

use err_derive::Error;
use serde::{Deserialize, Serialize};
use garage_util::error::Error as GarageError;
#[derive(Debug, Error, Serialize, Deserialize)]
pub enum Error {
#[error(display = "Internal error: {}", _0)]
Internal(#[error(source)] GarageError),
#[error(display = "Bad request: {}", _0)]
BadRequest(String),
}
impl From<netapp::error::Error> for Error {
fn from(e: netapp::error::Error) -> Self {
Error::Internal(GarageError::Netapp(e))
}
}
pub trait OkOrBadRequest {
type S;
fn ok_or_bad_request<M: AsRef<str>>(self, reason: M) -> Result<Self::S, Error>;
}
impl<T, E> OkOrBadRequest for Result<T, E>
where
E: std::fmt::Display,
{
type S = T;
fn ok_or_bad_request<M: AsRef<str>>(self, reason: M) -> Result<T, Error> {
match self {
Ok(x) => Ok(x),
Err(e) => Err(Error::BadRequest(format!(
"{}: {}",
reason.as_ref(),
e.to_string()
))),
}
}
}
impl<T> OkOrBadRequest for Option<T> {
type S = T;
fn ok_or_bad_request<M: AsRef<str>>(self, reason: M) -> Result<T, Error> {
match self {
Some(x) => Ok(x),
None => Err(Error::BadRequest(reason.as_ref().to_string())),
}
}
}