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Subject: [pve-devel] [PATCH proxmox v2 12/20] notify: renderer: add
relative-percentage helper from PBS
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Signed-off-by: Lukas Wagner <l.wagner@proxmox.com>
Reviewed-by: Fiona Ebner <f.ebner@proxmox.com>
---
proxmox-notify/src/renderer/mod.rs | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/proxmox-notify/src/renderer/mod.rs b/proxmox-notify/src/renderer/mod.rs
index a51ece6..ddb241d 100644
--- a/proxmox-notify/src/renderer/mod.rs
+++ b/proxmox-notify/src/renderer/mod.rs
@@ -73,6 +73,30 @@ fn value_to_timestamp(val: &Value) -> Option<String> {
proxmox_time::strftime_local("%F %H:%M:%S", timestamp).ok()
}
+fn handlebars_relative_percentage_helper(
+ h: &Helper,
+ _: &Handlebars,
+ _: &Context,
+ _rc: &mut RenderContext,
+ out: &mut dyn Output,
+) -> HelperResult {
+ let param0 = h
+ .param(0)
+ .and_then(|v| v.value().as_f64())
+ .ok_or_else(|| HandlebarsRenderError::new("relative-percentage: param0 not found"))?;
+ let param1 = h
+ .param(1)
+ .and_then(|v| v.value().as_f64())
+ .ok_or_else(|| HandlebarsRenderError::new("relative-percentage: param1 not found"))?;
+
+ if param1 == 0.0 {
+ out.write("-")?;
+ } else {
+ out.write(&format!("{:.2}%", (param0 * 100.0) / param1))?;
+ }
+ Ok(())
+}
+
/// Available render functions for `serde_json::Values``
///
/// May be used as a handlebars helper, e.g.
@@ -237,6 +261,11 @@ fn render_template_impl(
ValueRenderFunction::register_helpers(&mut handlebars);
+ handlebars.register_helper(
+ "relative-percentage",
+ Box::new(handlebars_relative_percentage_helper),
+ );
+
let rendered_template = handlebars
.render_template(template, data)
.map_err(|err| Error::RenderError(err.into()))?;
--
2.39.2
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