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/*
This file is part of jellything (https://codeberg.org/metamuffin/jellything)
which is licensed under the GNU Affero General Public License (version 3); see /COPYING.
Copyright (C) 2025 metamuffin <metamuffin.org>
*/
use crate::{
locale::lang_from_request,
logic::session::Session,
ui::{
account::{
rocket_uri_macro_r_account_login, rocket_uri_macro_r_account_logout,
rocket_uri_macro_r_account_register, settings::rocket_uri_macro_r_account_settings,
},
admin::rocket_uri_macro_r_admin_dashboard,
browser::rocket_uri_macro_r_all_items,
node::rocket_uri_macro_r_library_node,
search::rocket_uri_macro_r_search,
stats::rocket_uri_macro_r_stats,
},
uri,
};
use futures::executor::block_on;
use jellybase::{
locale::{tr, Language},
CONF,
};
use jellycommon::user::Theme;
use jellycommon::NodeID;
use jellyimport::is_importing;
use markup::{raw, DynRender, Render, RenderAttributeValue};
use rocket::{
http::ContentType,
response::{self, Responder},
Request, Response,
};
use std::{borrow::Cow, io::Cursor, sync::LazyLock};
static LOGO_ENABLED: LazyLock<bool> = LazyLock::new(|| CONF.asset_path.join("logo.svg").exists());
pub struct TrString<'a>(Cow<'a, str>);
impl Render for TrString<'_> {
fn render(&self, writer: &mut impl std::fmt::Write) -> std::fmt::Result {
self.0.as_str().render(writer)
}
}
impl RenderAttributeValue for TrString<'_> {
fn is_none(&self) -> bool {
false
}
fn is_true(&self) -> bool {
false
}
fn is_false(&self) -> bool {
false
}
}
pub fn escape(str: &str) -> String {
let mut o = String::with_capacity(str.len());
let mut last = 0;
for (index, byte) in str.bytes().enumerate() {
if let Some(esc) = match byte {
b'<' => Some("<"),
b'>' => Some(">"),
b'&' => Some("&"),
b'"' => Some("""),
_ => None,
} {
o += &str[last..index];
o += esc;
last = index + 1;
}
}
o += &str[last..];
o
}
pub fn trs<'a>(lang: &Language, key: &str) -> TrString<'a> {
TrString(tr(*lang, key))
}
markup::define! {
Layout<'a, Main: Render>(title: String, main: Main, class: &'a str, session: Option<Session>, lang: Language) {
@markup::doctype()
html {
head {
title { @title " - " @CONF.brand }
meta[name="viewport", content="width=device-width, initial-scale=1.0"];
link[rel="stylesheet", href="/assets/style.css"];
script[src="/assets/bundle.js"] {}
}
body[class=class] {
nav {
h1 { a[href=if session.is_some() {"/home"} else {"/"}] { @if *LOGO_ENABLED { img.logo[src="/assets/logo.svg"]; } else { @CONF.brand } } } " "
@if let Some(_) = session {
a.library[href=uri!(r_library_node("library"))] { @trs(lang, "nav.root") } " "
a.library[href=uri!(r_all_items())] { @trs(lang, "nav.all") } " "
a.library[href=uri!(r_search(None::<&'static str>, None::<usize>))] { @trs(lang, "nav.search") } " "
a.library[href=uri!(r_stats())] { @trs(lang, "nav.stats") } " "
}
@if is_importing() { span.warn { "Library database is updating..." } }
div.account {
@if let Some(session) = session {
span { @raw(tr(*lang, "nav.username").replace("{name}", &format!("<b class=\"username\">{}</b>", escape(&session.user.display_name)))) } " "
@if session.user.admin {
a.admin.hybrid_button[href=uri!(r_admin_dashboard())] { p {@trs(lang, "nav.admin")} } " "
}
a.settings.hybrid_button[href=uri!(r_account_settings())] { p {@trs(lang, "nav.settings")} } " "
a.logout.hybrid_button[href=uri!(r_account_logout())] { p {@trs(lang, "nav.logout")} }
} else {
a.register.hybrid_button[href=uri!(r_account_register())] { p {@trs(lang, "nav.register")} } " "
a.login.hybrid_button[href=uri!(r_account_login())] { p {@trs(lang, "nav.login")} }
}
}
}
#main { @main }
footer {
p { @CONF.brand " - " @CONF.slogan " | powered by " a[href="https://codeberg.org/metamuffin/jellything"]{"Jellything"} }
}
}
}
}
FlashDisplay(flash: Option<Result<String, String>>) {
@if let Some(flash) = &flash {
@match flash {
Ok(mesg) => { section.message { p.success { @mesg } } }
Err(err) => { section.message { p.error { @err } } }
}
}
}
}
pub type DynLayoutPage<'a> = LayoutPage<markup::DynRender<'a>>;
pub struct LayoutPage<T> {
pub title: String,
pub class: Option<&'static str>,
pub content: T,
}
impl Default for LayoutPage<DynRender<'_>> {
fn default() -> Self {
Self {
class: None,
content: markup::new!(),
title: String::new(),
}
}
}
impl<'r, Main: Render> Responder<'r, 'static> for LayoutPage<Main> {
fn respond_to(self, req: &'r Request<'_>) -> response::Result<'static> {
// TODO blocking the event loop here. it seems like there is no other way to
// TODO offload this, since the guard references `req` which has a lifetime.
// TODO therefore we just block. that is fine since the database is somewhat fast.
let lang = lang_from_request(&req);
let session = block_on(req.guard::<Option<Session>>()).unwrap();
let mut out = String::new();
Layout {
main: self.content,
title: self.title,
class: &format!(
"{} theme-{:?}",
self.class.unwrap_or(""),
session
.as_ref()
.map(|s| s.user.theme)
.unwrap_or(Theme::Dark)
),
session,
lang,
}
.render(&mut out)
.unwrap();
Response::build()
.header(ContentType::HTML)
.streamed_body(Cursor::new(out))
.ok()
}
}
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