captains-log/backend/src/services/mod.rs

mod projects;
mod tasks;

use axum::{
    Json,
    extract::rejection::{JsonRejection, PathRejection},
    http::StatusCode,
    response::IntoResponse,
};

// AppError
// Borrowed from example: https://github.com/tokio-rs/axum/blob/axum-v0.8.4/examples/anyhow-error-response/src/main.rs
#[derive(Debug)]
pub enum AppError {
    InternalError(anyhow::Error),
    JsonExtractError(JsonRejection),
    PathError(PathRejection),
    Unprocessable(String),
    NotFound,
}

#[derive(Serialize)]
pub struct ErrorJson {
    error: String,
}

impl IntoResponse for AppError {
    fn into_response(self) -> axum::response::Response {
        match self {
            Self::InternalError(anyhow_error) => {
                error!(err = ?anyhow_error, "Internal Server Error");
                (
                    StatusCode::INTERNAL_SERVER_ERROR,
                    format!("Something went wrong {}", anyhow_error),
                )
                    .into_response()
            }
            Self::JsonExtractError(rej) => (
                StatusCode::UNPROCESSABLE_ENTITY,
                Json(ErrorJson {
                    error: rej.status().to_string(),
                }),
            )
                .into_response(),
            Self::Unprocessable(msg) => (
                StatusCode::UNPROCESSABLE_ENTITY,
                Json(ErrorJson { error: msg }),
            )
                .into_response(),
            Self::PathError(rej) => (
                StatusCode::BAD_REQUEST,
                Json(ErrorJson {
                    error: rej.status().to_string(),
                }),
            )
                .into_response(),
            Self::NotFound => (
                StatusCode::NOT_FOUND,
                Json(ErrorJson {
                    error: "Requeted Entity Not Found".to_string(),
                }),
            )
                .into_response(),
        }
    }
}

impl From<JsonRejection> for AppError {
    fn from(value: JsonRejection) -> Self {
        Self::JsonExtractError(value)
    }
}

impl From<PathRejection> for AppError {
    fn from(value: PathRejection) -> Self {
        Self::PathError(value)
    }
}

impl From<anyhow::Error> for AppError {
    fn from(err: anyhow::Error) -> Self {
        Self::InternalError(err)
    }
}

impl From<sqlx::Error> for AppError {
    fn from(err: sqlx::Error) -> Self {
        Self::InternalError(err.into())
    }
}

pub use projects::*;
use serde::Serialize;
pub use tasks::*;
use tracing::error;