monocoque-server 0.1.0

UI for monocoque
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use axum::{extract::Query, routing::get, Json, Router};
use monocoque_core::BtrfsSpace;
use serde::{Deserialize, Serialize};
use std::net::SocketAddr;

#[derive(Deserialize)]
struct SpaceQuery {
    unit: Option<String>,
}

#[derive(Serialize)]
struct ConvertedSpace {
    total: f64,
    used: f64,
    free: f64,
    unit: String,
}

#[tokio::main]
async fn main() {
    let app = Router::new().route("/api/space", get(get_space));

    let addr = SocketAddr::from(([0, 0, 0, 0], 4001));
    println!("Listening on http://{addr}");

    axum::serve(tokio::net::TcpListener::bind(addr).await.unwrap(), app)
        .await
        .unwrap();
}

async fn get_space(Query(params): Query<SpaceQuery>) -> Json<serde_json::Value> {
    let space = monocoque_core::get_space("/srv/").unwrap();

    match params.unit.as_deref() {
        None => Json(serde_json::to_value(space).unwrap()),
        Some(unit) => {
            let divisor: f64 = match unit.to_lowercase().as_str() {
                "kb" => 1024.0,
                "mb" => 1024.0_f64.powi(2),
                "gb" => 1024.0_f64.powi(3),
                "tb" => 1024.0_f64.powi(4),
                "b" => 1.0,
                _ => 1.0,
            };

            let converted = ConvertedSpace {
                total: space.total_bytes as f64 / divisor,
                used: space.used_bytes as f64 / divisor,
                free: space.free_bytes as f64 / divisor,
                unit: unit.to_lowercase(),
            };

            Json(serde_json::to_value(converted).unwrap())
        }
    }
}