meilisearch/meilisearch-http/src/error.rs
2021-08-25 17:29:30 +02:00

169 lines
5.1 KiB
Rust

use std::error::Error;
use std::fmt;
use actix_web as aweb;
use actix_web::body::Body;
use actix_web::dev::BaseHttpResponseBuilder;
use actix_web::http::StatusCode;
use aweb::error::{JsonPayloadError, QueryPayloadError};
use meilisearch_error::{Code, ErrorCode};
use milli::UserError;
use serde::{Deserialize, Serialize};
#[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::BaseHttpResponse<Body> {
let json = serde_json::to_vec(self).unwrap();
BaseHttpResponseBuilder::new(self.status_code())
.content_type("application/json")
.body(json)
}
fn status_code(&self) -> StatusCode {
self.code
}
}
macro_rules! internal_error {
($target:ty : $($other:path), *) => {
$(
impl From<$other> for $target {
fn from(other: $other) -> Self {
Self::Internal(Box::new(other))
}
}
)*
}
}
#[derive(Debug)]
pub struct MilliError<'a>(pub &'a milli::Error);
impl Error for MilliError<'_> {}
impl fmt::Display for MilliError<'_> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
self.0.fmt(f)
}
}
impl ErrorCode for MilliError<'_> {
fn error_code(&self) -> Code {
match self.0 {
milli::Error::InternalError(_) => Code::Internal,
milli::Error::IoError(_) => Code::Internal,
milli::Error::UserError(ref error) => {
match error {
// TODO: wait for spec for new error codes.
UserError::Csv(_)
| UserError::SerdeJson(_)
| UserError::MaxDatabaseSizeReached
| UserError::InvalidCriterionName { .. }
| UserError::InvalidDocumentId { .. }
| UserError::InvalidStoreFile
| UserError::NoSpaceLeftOnDevice
| UserError::DocumentLimitReached => Code::Internal,
UserError::AttributeLimitReached => Code::MaxFieldsLimitExceeded,
UserError::InvalidFilter(_) => Code::Filter,
UserError::InvalidFilterAttribute(_) => Code::Filter,
UserError::MissingDocumentId { .. } => Code::MissingDocumentId,
UserError::MissingPrimaryKey => Code::MissingPrimaryKey,
UserError::PrimaryKeyCannotBeChanged => Code::PrimaryKeyAlreadyPresent,
UserError::PrimaryKeyCannotBeReset => Code::PrimaryKeyAlreadyPresent,
UserError::UnknownInternalDocumentId { .. } => Code::DocumentNotFound,
UserError::InvalidFacetsDistribution { .. } => Code::BadRequest,
UserError::InvalidSortableAttribute { .. } => Code::Sort,
}
}
}
}
}
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()
}