SingleRFReader 0.2.1

Little Server for reading r200 and publishing on localhost last readed TAG
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use axum::{
    Json,
    extract::State,
    http::{StatusCode, header},
    response::{Html, IntoResponse},
};
use log::debug;
use r200_uhf::Rfid;
use serde_json::json;
use std::sync::{Arc, RwLock};

pub async fn index_handler() -> Html<&'static str> {
    Html(
        r#"
        <h1>TAG Reader Service</h1>
        <p>Il servizio รจ attivo. Puoi leggere i dati della carta al seguente link:</p>
        <a href="/read-tag.json">/read-tag.json</a>
    "#,
    )
}

pub async fn index_json_identification() -> impl IntoResponse {
    let info = json!({        "single_rfid_reader": "ok"    });
    (
        StatusCode::OK,
        [(header::CONTENT_TYPE, "application/json")],
        Json(info.clone()),
    )
        .into_response()
}

pub async fn read_tag_handler(State(state): State<Arc<RwLock<Option<Rfid>>>>) -> impl IntoResponse {
    let current = state.read().unwrap();
    if current.is_some() {
        debug!("Dati TAG presenti");
    } else {
        debug!("Nessun TAG presente");
    }
    if let Some(info) = &*current {
        (
            StatusCode::OK,
            [(header::CONTENT_TYPE, "application/json")],
            Json(info.clone()),
        )
            .into_response()
    } else {
        (
            StatusCode::NO_CONTENT,
            [(header::CONTENT_TYPE, "application/json")],
            Json(serde_json::json!({ "error": "Nessun TAG presente o dati non ancora letti" })),
        )
            .into_response()
    }
}