Method error_response

basics/error-handling/src/main.rs:56–84

(&self)

/// Actix Web uses `ResponseError` for conversion of errors to a response
impl ResponseError for CustomError {
    fn error_response(&self) -> HttpResponse {
        let (status_code, error_msg) = match self {
            CustomError::CustomOne => {
                log::error!("Forbidden error: {}", self);
                (403, self.to_string())
            }
            CustomError::CustomTwo => {
                log::error!("Unauthorized error: {}", self);
                (401, self.to_string())
            }
            CustomError::CustomThree => {
                log::error!("Internal server error: {}", self);
                (500, self.to_string())
            }
            CustomError::CustomFour => {
                log::error!("Bad request error: {}", self);
                (400, self.to_string())
            }
        };

        let error_response = ErrorResponse {
            code: status_code,
            message: error_msg,
            error_type: format!("{:?}", self),
        };

        HttpResponse::build(actix_web::http::StatusCode::from_u16(status_code).unwrap())
            .json(error_response)
    }
}

/// randomly returns either () or one of the 4 CustomError variants