async-graphql/integrations/warp/src/error.rs
2021-11-12 21:48:18 +08:00

62 lines
1.5 KiB
Rust

use std::error::Error;
use std::fmt::{self, Display, Formatter};
use async_graphql::ParseRequestError;
use warp::http::{Response, StatusCode};
use warp::hyper::Body;
use warp::reject::Reject;
use warp::Reply;
/// Bad request error.
///
/// It's a wrapper of `async_graphql::ParseRequestError`. It is also a `Reply` - by default it just
/// returns a response containing the error message in plain text.
#[derive(Debug)]
pub struct GraphQLBadRequest(pub ParseRequestError);
impl GraphQLBadRequest {
/// Get the appropriate status code of the error.
#[must_use]
pub fn status(&self) -> StatusCode {
match self.0 {
ParseRequestError::PayloadTooLarge => StatusCode::PAYLOAD_TOO_LARGE,
_ => StatusCode::BAD_REQUEST,
}
}
}
impl Display for GraphQLBadRequest {
fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
self.0.fmt(f)
}
}
impl Error for GraphQLBadRequest {
fn source(&self) -> Option<&(dyn Error + 'static)> {
Some(&self.0)
}
}
impl Reject for GraphQLBadRequest {}
impl Reply for GraphQLBadRequest {
fn into_response(self) -> Response<Body> {
Response::builder()
.status(self.status())
.body(Body::from(self.0.to_string()))
.unwrap()
}
}
impl From<ParseRequestError> for GraphQLBadRequest {
fn from(e: ParseRequestError) -> Self {
Self(e)
}
}
impl From<GraphQLBadRequest> for ParseRequestError {
fn from(e: GraphQLBadRequest) -> Self {
e.0
}
}