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// This file is part of Locus <https://github.com/gemrest/locus>.
// Copyright (C) 2022-2022 Fuwn <[email protected]>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 3.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// Copyright (C) 2022-2022 Fuwn <[email protected]>
// SPDX-License-Identifier: GPL-3.0-only
use std::sync::{LazyLock, Mutex};
use tokio::time::Instant;
use windmark::context::HookContext;
use crate::route::{CACHE_RATE, ROUTES};
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.to_string(),
);
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.to_string(),
);
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
);
}
}
}
});
}
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