backend-rust/src/utils/errors.rs

use axum::{http::StatusCode, response::IntoResponse, Json};
use serde_json::json;
use thiserror::Error;

#[derive(Debug, Error)]
pub enum MarisError {
    #[error("Iekšēja kļūda: {0}")]
    Internal(String),
    #[error("Derīguma kļūda: {0}")]
    Validation(String),
    #[error("Nav atrasts: {0}")]
    NotFound(String),
    #[error("Python bridge kļūda: {0}")]
    Bridge(String),
}

impl IntoResponse for MarisError {
    fn into_response(self) -> axum::response::Response {
        let (status, msg) = match &self {
            MarisError::Internal(m) => (StatusCode::INTERNAL_SERVER_ERROR, m.clone()),
            MarisError::Validation(m) => (StatusCode::BAD_REQUEST, m.clone()),
            MarisError::NotFound(m) => (StatusCode::NOT_FOUND, m.clone()),
            MarisError::Bridge(m) => (StatusCode::BAD_GATEWAY, m.clone()),
        };
        (status, Json(json!({ "error": msg }))).into_response()
    }
}