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Files
AstralRinth/src/helpers/contains.rs
2020-05-27 20:46:59 +02:00

19 lines
795 B
Rust

use handlebars::*;
#[derive(Clone, Copy)]
pub struct ContainsHelper;
impl HelperDef for ContainsHelper {
fn call<'reg: 'rc, 'rc>(&self, h: &Helper<'reg, 'rc>, r: &'reg Handlebars<'_>, ctx: &'rc Context, rc: &mut RenderContext<'reg, 'rc>, out: &mut dyn Output) -> HelperResult {
let array = h.param(0).map(|v| serde_json::from_value::<Vec<String>>(v.value().clone()).unwrap()).ok_or_else(|| RenderError::new("Parameter not found!"))?;
let value = h.param(1).map(|v| v.value().as_str().unwrap()).ok_or_else(|| RenderError::new("Parameter not found!"))?;
let tmpl = if array.contains(&String::from(value)) { h.template() } else { h.inverse() };
match tmpl {
Some(ref t) => t.render(r, ctx, rc, out),
None => Ok(()),
}
}
}