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// SPDX-License-Identifier: AGPL-3.0-only
use std::sync::LazyLock;
use handlebars::*;
use reqwest::StatusCode;
use crate::CONFIG;
static INTERNAL_THEMES: &[(&str, &str)] = &[("plain", include_str!("hbs/plain.hbs"))];
static HANDLEBARS: LazyLock<Handlebars> = LazyLock::new(|| {
let mut hb = Handlebars::new();
handlebars_helper!(url_encode: |s: String| urlencoding::encode(&s));
hb.register_helper("url-encode", Box::new(url_encode));
for (key, fulltext) in INTERNAL_THEMES {
log::info!("Registering internal handlebars theme `{key}`");
hb.register_template_string(key, fulltext).unwrap();
}
hb.set_dev_mode(CONFIG.theme_dev);
if let Some(themes_dir) = CONFIG.theme_dir.as_ref() {
log::info!("Registering handlebars theme dir `{themes_dir}` with extension `{}`.", CONFIG.theme_ext_hbs);
hb.register_templates_directory(&CONFIG.theme_ext_hbs, themes_dir.as_ref()).unwrap();
}
hb
});
pub fn render_theme(name: &str, ctx: &crate::ctx::Ctx) -> Option<Result<String, StatusCode>> {
let templ = HANDLEBARS.get_template(name)?;
let ctx = Context::wraps(ctx).unwrap();
let render = templ.renders(&HANDLEBARS, &ctx, &mut RenderContext::new(Some(&name.into()))).map_err(|_| StatusCode::INTERNAL_SERVER_ERROR);
Some(render)
}
pub fn touch() {
LazyLock::force(&HANDLEBARS);
}
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