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//! Provides the [`crate::Error`] type.
use thiserror::Error;
use hyper::StatusCode;
/// Encapsulates a status code and an error message.
#[derive(Error, Debug)]
#[error("SimpleError({code}, {message})")]
pub struct SimpleError {
pub code: StatusCode,
pub message: String,
}
impl SimpleError {
/// Returns an HTTP response builder with the status code set to `self.code`.
pub fn response_builder(&self) -> hyper::http::response::Builder {
hyper::Response::builder().status(self.code)
}
}
/// Error type for request handlers.
///
/// All client errors in [`crate::request`] implement [`Into<Error::Simple>`].
#[derive(Error, Debug)]
pub enum Error {
#[error("SimpleError({}, {})", .0.code, .0.message)]
Simple(#[from] SimpleError),
#[error("ResponseError({})", .0.status())]
Response(hyper::Response<hyper::Body>),
}
impl Error {
// some convenience methods
pub fn simple(code: StatusCode, message: String) -> Self {
Error::Simple(SimpleError{code, message})
}
pub fn bad_request(message: String) -> Self {
Error::Simple(SimpleError{code: StatusCode::BAD_REQUEST, message})
}
pub fn not_found(message: String) -> Self {
Error::Simple(SimpleError{code: StatusCode::NOT_FOUND, message})
}
pub fn unauthorized(message: String) -> Self {
Error::Simple(SimpleError{code: StatusCode::UNAUTHORIZED, message})
}
pub fn internal(message: String) -> Self {
Error::Simple(SimpleError{code: StatusCode::INTERNAL_SERVER_ERROR, message})
}
pub fn method_not_allowed(message: String) -> Self {
Error::Simple(SimpleError{code: StatusCode::METHOD_NOT_ALLOWED, message})
}
}
macro_rules! impl_into_error_simple {
($type:ident, $status:expr) => {
impl From<$type> for crate::error::Error {
fn from(err: $type) -> Self {
Self::Simple(crate::error::SimpleError{code: $status, message: format!("{}", err)})
}
}
};
}
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