1use anyhow::Result;
 2use handlebars::Handlebars;
 3use rust_embed::RustEmbed;
 4use serde::Serialize;
 5use std::sync::Arc;
 6
 7#[derive(RustEmbed)]
 8#[folder = "src/templates"]
 9#[include = "*.hbs"]
10struct Assets;
11
12pub struct Templates(Handlebars<'static>);
13
14impl Templates {
15    pub fn new() -> Arc<Self> {
16        let mut handlebars = Handlebars::new();
17        handlebars.register_embed_templates::<Assets>().unwrap();
18        handlebars.register_escape_fn(|text| text.into());
19        Arc::new(Self(handlebars))
20    }
21}
22
23pub trait Template: Sized {
24    const TEMPLATE_NAME: &'static str;
25
26    fn render(&self, templates: &Templates) -> Result<String>
27    where
28        Self: Serialize + Sized,
29    {
30        Ok(templates.0.render(Self::TEMPLATE_NAME, self)?)
31    }
32}