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path: root/src/modules/router/module.rs
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use {
  crate::route::{CACHE_RATE, ROUTES},
  std::sync::{LazyLock, Mutex},
  tokio::time::Instant,
  windmark::context::HookContext,
};

fn cache(context: &windmark::context::HookContext, response: &str) {
  static LAST_CACHED: LazyLock<Mutex<Instant>> =
    LazyLock::new(|| Mutex::new(Instant::now()));

  if (*LAST_CACHED.lock().unwrap()).elapsed()
    >= std::time::Duration::from_secs(CACHE_RATE)
    || (*ROUTES.lock().unwrap())
      .get(context.url.path())
      .is_some_and(|r| r.text_cache.is_empty())
  {
    (*LAST_CACHED.lock().unwrap()) = Instant::now();

    if let Some(route) = (*ROUTES.lock().unwrap()).get_mut(context.url.path()) {
      route.text_cache = response.to_string();
      info!("cache set for {}", context.url.path());
    } else {
      warn!(
        "cache could not be set for {} as it is not being tracked",
        context.url.path()
      );
    }

    trace!("recache for {}", {
      let path = context.url.path();

      if path.is_empty() { "/" } else { path }
    });
  }
}

pub fn module(router: &mut windmark::router::Router) {
  router.set_pre_route_callback(move |context: HookContext| {
    info!(
      "accepted connection from {} to {}",
      context.peer_address.unwrap().ip(),
      context.url,
    );

    super::ticker::module(&context);
  });
  router.set_post_route_callback({
    |context: HookContext, response: &mut windmark::response::Response| {
      info!(
        "closed connection from {} to {}",
        context.peer_address.unwrap().ip(),
        context.url,
      );

      cache(&context, &response.content);

      // if let Some(language) =
      //   windmark::utilities::queries_from_url(&context.url).get("translate")
      // {
      //   if super::translate::module(&context, response, language).is_err() {
      //     response.content = format!(
      //       "An error occurred during the translation process. Your language
      // \        might not be supported.\n\n=> {} View Original\n\n{}",
      //       context
      //         .url
      //         .to_string()
      //         .replace(&format!("translate={language}"), ""),
      //       response.content
      //     );
      //   }
      // }
    }
  });
}