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use thiserror::Error;
/// Arango Http error based on the response http code
#[derive(Debug, Clone, Error, PartialEq)]
pub enum ArangoHttpError {
/// 400 - ERROR_HTTP_BAD_PARAMETER
///
/// Will be raised when the HTTP request does not fulfill the requirements.
#[error("400 - ERROR_HTTP_BAD_PARAMETER")]
BadParameter,
/// 401 - ERROR_HTTP_UNAUTHORIZED
///
/// Will be raised when authorization is required but the user is not authorized.
#[error("401 - ERROR_HTTP_UNAUTHORIZED")]
Unauthorized,
/// 403 - ERROR_HTTP_FORBIDDEN
///
/// Will be raised when the operation is forbidden.
#[error("403 - ERROR_HTTP_FORBIDDEN")]
Forbidden,
/// 404 - ERROR_HTTP_NOT_FOUND
///
/// Will be raised when an URI is unknown or a database element is not found.
#[error("404 - ERROR_HTTP_NOT_FOUND")]
NotFound,
/// 405 - ERROR_HTTP_METHOD_NOT_ALLOWED
///
/// Will be raised when an unsupported HTTP method is used for an operation.
#[error("405 - ERROR_HTTP_METHOD_NOT_ALLOWED")]
MethodNotAllowed,
/// 406 - ERROR_HTTP_NOT_ACCEPTABLE
///
/// Will be raised when an unsupported HTTP content type is used for an operation
#[error("406 - ERROR_HTTP_NOT_ACCEPTABLE")]
NotAcceptable,
/// 409 - ERROR_HTTP_CONFLICT
///
/// Will be raised when conflict occured (index unique constraint for example)
#[error("409 - ERROR_HTTP_CONFLICT")]
Conflict,
/// 412 - ERROR_HTTP_PRECONDITION_FAILED
///
/// Will be raised when a precondition for an HTTP request is not met.
#[error("412 - ERROR_HTTP_PRECONDITION_FAILED")]
PreconditionFailed,
/// 500 - ERROR_HTTP_SERVER_ERROR
///
/// Will be raised when an internal server is encountered.
#[error("500 - ERROR_HTTP_SERVER_ERROR")]
ServerError,
/// 503 - ERROR_HTTP_SERVICE_UNAVAILABLE
///
/// Will be raised when a service is temporarily unavailable.
#[error("503 - ERROR_HTTP_SERVICE_UNAVAILABLE")]
ServiceUnavailable,
/// 504 - ERROR_HTTP_GATEWAY_TIMEOUT
///
/// Will be raised when a service contacted by ArangoDB does not respond in a timely manner.
#[error("504 - ERROR_HTTP_GATEWAY_TIMEOUT")]
GatewayTimeout,
/// 600 - ERROR_HTTP_CORRUPTED_JSON
///
/// Will be raised when a string representation of a JSON object is corrupt.
#[error("600 - ERROR_HTTP_CORRUPTED_JSON")]
CorruptedJson,
/// 601 - ERROR_HTTP_SUPERFLUOUS_SUFFICES
///
/// Will be raised when the URL contains superfluous suffices.
#[error("601 - ERROR_HTTP_SUPERFLUOUS_SUFFICES")]
SuperfluousSuffices,
/// Unknown Http error, happens when the HTTP code is not handled
#[error("Unhandled Arango Http Error: `{0}`")]
UnknownError(u16),
}
impl ArangoHttpError {
pub(crate) fn from_code(code: u16) -> Self {
match code {
400 => Self::BadParameter,
401 => Self::Unauthorized,
403 => Self::Forbidden,
404 => Self::NotFound,
405 => Self::MethodNotAllowed,
406 => Self::NotAcceptable,
409 => Self::Conflict,
412 => Self::PreconditionFailed,
500 => Self::ServerError,
503 => Self::ServiceUnavailable,
504 => Self::GatewayTimeout,
600 => Self::CorruptedJson,
601 => Self::SuperfluousSuffices,
_ => Self::UnknownError(code),
}
}
/// The HTTP code matching the enum variant
pub fn http_code(&self) -> u16 {
match self {
ArangoHttpError::BadParameter => 400,
ArangoHttpError::Unauthorized => 401,
ArangoHttpError::Forbidden => 403,
ArangoHttpError::NotFound => 404,
ArangoHttpError::MethodNotAllowed => 405,
ArangoHttpError::NotAcceptable => 406,
ArangoHttpError::Conflict => 409,
ArangoHttpError::PreconditionFailed => 412,
ArangoHttpError::ServerError => 500,
ArangoHttpError::ServiceUnavailable => 503,
ArangoHttpError::GatewayTimeout => 504,
ArangoHttpError::CorruptedJson => 600,
ArangoHttpError::SuperfluousSuffices => 601,
ArangoHttpError::UnknownError(code) => *code,
}
}
}