Basic Database

src/helpers/contains.rs

@@ -0,0 +1,18 @@
+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(RenderError::new("Parameter not found!"))?;
+        let value = h.param(1).map(|v| v.value().as_str().unwrap()).ok_or(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(()),
+        }
+    }
+}

src/helpers/mod.rs

@@ -0,0 +1,3 @@
+mod contains;
+
+pub use contains::ContainsHelper;