meilisearch/meilisearch-http/src/error.rs
2021-09-30 16:58:13 +02:00

130 lines
3.6 KiB
Rust

use std::error::Error;
use std::fmt;
use actix_web as aweb;
use actix_web::body::Body;
use actix_web::http::StatusCode;
use actix_web::HttpResponseBuilder;
use aweb::error::{JsonPayloadError, QueryPayloadError};
use meilisearch_error::{Code, ErrorCode};
use serde::{Deserialize, Serialize};
#[derive(Debug, thiserror::Error)]
pub enum MeilisearchHttpError {
#[error("A Content-Type header is missing. Accepted values for the Content-Type header are: \"application/json\", \"application/x-ndjson\", \"test/csv\"")]
MissingContentType,
#[error("The Content-Type \"{0}\" is invalid. Accepted values for the Content-Type header are: \"application/json\", \"application/x-ndjson\", \"test/csv\"")]
InvalidContentType(String),
}
impl ErrorCode for MeilisearchHttpError {
fn error_code(&self) -> Code {
match self {
MeilisearchHttpError::MissingContentType => Code::MissingContentType,
MeilisearchHttpError::InvalidContentType(_) => Code::InvalidContentType,
}
}
}
#[derive(Debug, Serialize, Deserialize, Clone)]
#[serde(rename_all = "camelCase")]
pub struct ResponseError {
#[serde(skip)]
code: StatusCode,
message: String,
error_code: String,
error_type: String,
error_link: String,
}
impl fmt::Display for ResponseError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
self.message.fmt(f)
}
}
impl<T> From<T> for ResponseError
where
T: ErrorCode,
{
fn from(other: T) -> Self {
Self {
code: other.http_status(),
message: other.to_string(),
error_code: other.error_name(),
error_type: other.error_type(),
error_link: other.error_url(),
}
}
}
impl aweb::error::ResponseError for ResponseError {
fn error_response(&self) -> aweb::HttpResponse<Body> {
let json = serde_json::to_vec(self).unwrap();
HttpResponseBuilder::new(self.status_code())
.content_type("application/json")
.body(json)
}
fn status_code(&self) -> StatusCode {
self.code
}
}
impl fmt::Display for PayloadError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
PayloadError::Json(e) => e.fmt(f),
PayloadError::Query(e) => e.fmt(f),
}
}
}
#[derive(Debug)]
pub enum PayloadError {
Json(JsonPayloadError),
Query(QueryPayloadError),
}
impl Error for PayloadError {}
impl ErrorCode for PayloadError {
fn error_code(&self) -> Code {
match self {
PayloadError::Json(err) => match err {
JsonPayloadError::Overflow { .. } => Code::PayloadTooLarge,
JsonPayloadError::ContentType => Code::UnsupportedMediaType,
JsonPayloadError::Payload(aweb::error::PayloadError::Overflow) => {
Code::PayloadTooLarge
}
JsonPayloadError::Deserialize(_) | JsonPayloadError::Payload(_) => Code::BadRequest,
JsonPayloadError::Serialize(_) => Code::Internal,
_ => Code::Internal,
},
PayloadError::Query(err) => match err {
QueryPayloadError::Deserialize(_) => Code::BadRequest,
_ => Code::Internal,
},
}
}
}
impl From<JsonPayloadError> for PayloadError {
fn from(other: JsonPayloadError) -> Self {
Self::Json(other)
}
}
impl From<QueryPayloadError> for PayloadError {
fn from(other: QueryPayloadError) -> Self {
Self::Query(other)
}
}
pub fn payload_error_handler<E>(err: E) -> ResponseError
where
E: Into<PayloadError>,
{
err.into().into()
}