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10fc870684
meilisearch/meilisearch-http/src/error.rs

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Rust
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initial commit
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use std::error;
use std::fmt;
use actix_web as aweb;
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use actix_web::body::Body;
use actix_web::dev::BaseHttpResponseBuilder;
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use actix_web::error::{JsonPayloadError, QueryPayloadError};
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use actix_web::http::Error as HttpError;
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use actix_web::http::StatusCode;
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use meilisearch_error::{Code, ErrorCode};
use serde::ser::{Serialize, SerializeStruct, Serializer};
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#[derive(Debug)]
pub struct ResponseError {
inner: Box<dyn ErrorCode>,
}
impl error::Error for ResponseError {}
impl ErrorCode for ResponseError {
fn error_code(&self) -> Code {
self.inner.error_code()
}
}
impl fmt::Display for ResponseError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
self.inner.fmt(f)
}
}
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// TODO: remove this when implementing actual error handling
impl From<anyhow::Error> for ResponseError {
fn from(other: anyhow::Error) -> ResponseError {
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ResponseError {
inner: Box::new(Error::NotFound(other.to_string())),
}
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}
}
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impl From<Error> for ResponseError {
fn from(error: Error) -> ResponseError {
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ResponseError {
inner: Box::new(error),
}
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}
}
impl From<FacetCountError> for ResponseError {
fn from(err: FacetCountError) -> ResponseError {
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ResponseError {
inner: Box::new(err),
}
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}
}
impl Serialize for ResponseError {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
let struct_name = "ResponseError";
let field_count = 4;
let mut state = serializer.serialize_struct(struct_name, field_count)?;
state.serialize_field("message", &self.to_string())?;
state.serialize_field("errorCode", &self.error_name())?;
state.serialize_field("errorType", &self.error_type())?;
state.serialize_field("errorLink", &self.error_url())?;
state.end()
}
}
impl aweb::error::ResponseError for ResponseError {
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fn error_response(&self) -> aweb::BaseHttpResponse<Body> {
let json = serde_json::to_vec(self).unwrap();
BaseHttpResponseBuilder::new(self.status_code()).body(json)
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}
fn status_code(&self) -> StatusCode {
self.http_status()
}
}
#[derive(Debug)]
pub enum Error {
BadParameter(String, String),
BadRequest(String),
CreateIndex(String),
DocumentNotFound(String),
IndexNotFound(String),
IndexAlreadyExists(String),
Internal(String),
InvalidIndexUid,
InvalidToken(String),
MissingAuthorizationHeader,
NotFound(String),
OpenIndex(String),
RetrieveDocument(u32, String),
SearchDocuments(String),
PayloadTooLarge,
UnsupportedMediaType,
DumpAlreadyInProgress,
DumpProcessFailed(String),
}
impl error::Error for Error {}
impl ErrorCode for Error {
fn error_code(&self) -> Code {
use Error::*;
match self {
BadParameter(_, _) => Code::BadParameter,
BadRequest(_) => Code::BadRequest,
CreateIndex(_) => Code::CreateIndex,
DocumentNotFound(_) => Code::DocumentNotFound,
IndexNotFound(_) => Code::IndexNotFound,
IndexAlreadyExists(_) => Code::IndexAlreadyExists,
Internal(_) => Code::Internal,
InvalidIndexUid => Code::InvalidIndexUid,
InvalidToken(_) => Code::InvalidToken,
MissingAuthorizationHeader => Code::MissingAuthorizationHeader,
NotFound(_) => Code::NotFound,
OpenIndex(_) => Code::OpenIndex,
RetrieveDocument(_, _) => Code::RetrieveDocument,
SearchDocuments(_) => Code::SearchDocuments,
PayloadTooLarge => Code::PayloadTooLarge,
UnsupportedMediaType => Code::UnsupportedMediaType,
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_ => unreachable!()
//DumpAlreadyInProgress => Code::DumpAlreadyInProgress,
//DumpProcessFailed(_) => Code::DumpProcessFailed,
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}
}
}
#[derive(Debug)]
pub enum FacetCountError {
AttributeNotSet(String),
SyntaxError(String),
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UnexpectedToken {
found: String,
expected: &'static [&'static str],
},
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NoFacetSet,
}
impl error::Error for FacetCountError {}
impl ErrorCode for FacetCountError {
fn error_code(&self) -> Code {
Code::BadRequest
}
}
impl FacetCountError {
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pub fn unexpected_token(
found: impl ToString,
expected: &'static [&'static str],
) -> FacetCountError {
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let found = found.to_string();
FacetCountError::UnexpectedToken { expected, found }
}
}
impl From<serde_json::error::Error> for FacetCountError {
fn from(other: serde_json::error::Error) -> FacetCountError {
FacetCountError::SyntaxError(other.to_string())
}
}
impl fmt::Display for FacetCountError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
use FacetCountError::*;
match self {
AttributeNotSet(attr) => write!(f, "Attribute {} is not set as facet", attr),
SyntaxError(msg) => write!(f, "Syntax error: {}", msg),
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UnexpectedToken { expected, found } => {
write!(f, "Unexpected {} found, expected {:?}", found, expected)
}
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NoFacetSet => write!(f, "Can't perform facet count, as no facet is set"),
}
}
}
impl Error {
pub fn internal(err: impl fmt::Display) -> Error {
Error::Internal(err.to_string())
}
pub fn bad_request(err: impl fmt::Display) -> Error {
Error::BadRequest(err.to_string())
}
pub fn missing_authorization_header() -> Error {
Error::MissingAuthorizationHeader
}
pub fn invalid_token(err: impl fmt::Display) -> Error {
Error::InvalidToken(err.to_string())
}
pub fn not_found(err: impl fmt::Display) -> Error {
Error::NotFound(err.to_string())
}
pub fn index_not_found(err: impl fmt::Display) -> Error {
Error::IndexNotFound(err.to_string())
}
pub fn document_not_found(err: impl fmt::Display) -> Error {
Error::DocumentNotFound(err.to_string())
}
pub fn bad_parameter(param: impl fmt::Display, err: impl fmt::Display) -> Error {
Error::BadParameter(param.to_string(), err.to_string())
}
pub fn open_index(err: impl fmt::Display) -> Error {
Error::OpenIndex(err.to_string())
}
pub fn create_index(err: impl fmt::Display) -> Error {
Error::CreateIndex(err.to_string())
}
pub fn invalid_index_uid() -> Error {
Error::InvalidIndexUid
}
pub fn retrieve_document(doc_id: u32, err: impl fmt::Display) -> Error {
Error::RetrieveDocument(doc_id, err.to_string())
}
pub fn search_documents(err: impl fmt::Display) -> Error {
Error::SearchDocuments(err.to_string())
}
pub fn dump_conflict() -> Error {
Error::DumpAlreadyInProgress
}
pub fn dump_failed(message: String) -> Error {
Error::DumpProcessFailed(message)
}
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Self::BadParameter(param, err) => write!(f, "Url parameter {} error: {}", param, err),
Self::BadRequest(err) => f.write_str(err),
Self::CreateIndex(err) => write!(f, "Impossible to create index; {}", err),
Self::DocumentNotFound(document_id) => write!(f, "Document with id {} not found", document_id),
Self::IndexNotFound(index_uid) => write!(f, "Index {} not found", index_uid),
Self::IndexAlreadyExists(index_uid) => write!(f, "Index {} already exists", index_uid),
Self::Internal(err) => f.write_str(err),
Self::InvalidIndexUid => f.write_str("Index must have a valid uid; Index uid can be of type integer or string only composed of alphanumeric characters, hyphens (-) and underscores (_)."),
Self::InvalidToken(err) => write!(f, "Invalid API key: {}", err),
Self::MissingAuthorizationHeader => f.write_str("You must have an authorization token"),
Self::NotFound(err) => write!(f, "{} not found", err),
Self::OpenIndex(err) => write!(f, "Impossible to open index; {}", err),
Self::RetrieveDocument(id, err) => write!(f, "Impossible to retrieve the document with id: {}; {}", id, err),
Self::SearchDocuments(err) => write!(f, "Impossible to search documents; {}", err),
Self::PayloadTooLarge => f.write_str("Payload too large"),
Self::UnsupportedMediaType => f.write_str("Unsupported media type"),
Self::DumpAlreadyInProgress => f.write_str("Another dump is already in progress"),
Self::DumpProcessFailed(message) => write!(f, "Dump process failed: {}", message),
}
}
}
impl From<std::io::Error> for Error {
fn from(err: std::io::Error) -> Error {
Error::Internal(err.to_string())
}
}
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impl From<HttpError> for Error {
fn from(err: HttpError) -> Error {
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Error::Internal(err.to_string())
}
}
impl From<serde_json::error::Error> for Error {
fn from(err: serde_json::error::Error) -> Error {
Error::Internal(err.to_string())
}
}
impl From<JsonPayloadError> for Error {
fn from(err: JsonPayloadError) -> Error {
match err {
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JsonPayloadError::Deserialize(err) => {
Error::BadRequest(format!("Invalid JSON: {}", err))
}
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JsonPayloadError::Overflow => Error::PayloadTooLarge,
JsonPayloadError::ContentType => Error::UnsupportedMediaType,
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JsonPayloadError::Payload(err) => {
Error::BadRequest(format!("Problem while decoding the request: {}", err))
}
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e => Error::Internal(format!("Unexpected Json error: {}", e))
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}
}
}
impl From<QueryPayloadError> for Error {
fn from(err: QueryPayloadError) -> Error {
match err {
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QueryPayloadError::Deserialize(err) => {
Error::BadRequest(format!("Invalid query parameters: {}", err))
}
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e => Error::Internal(format!("Unexpected query payload error: {}", e))
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}
}
}
pub fn payload_error_handler<E: Into<Error>>(err: E) -> ResponseError {
let error: Error = err.into();
error.into()
}
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