From 52b044d6a4278c229992404ad5801769c2d13363 Mon Sep 17 00:00:00 2001
From: Marius Peter <marius.peter@tutanota.com>
Date: Sun, 24 Aug 2025 20:29:54 +0200
Subject: First commit.

Vive le Castel Peter !
---
 app/helpers/recipes_helper.rb | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 app/helpers/recipes_helper.rb

(limited to 'app/helpers/recipes_helper.rb')

diff --git a/app/helpers/recipes_helper.rb b/app/helpers/recipes_helper.rb
new file mode 100644
index 0000000..02cb1a7
--- /dev/null
+++ b/app/helpers/recipes_helper.rb
@@ -0,0 +1,16 @@
+module RecipesHelper
+  def commercial_name_for(component)
+    # Try to find a FertilizerProduct via a join, but gracefully fallback.
+    if defined?(FertilizerProduct) && defined?(FertilizerComposition)
+      prod = FertilizerProduct.joins(:fertilizer_compositions)
+               .where(fertilizer_compositions: { fertilizer_component_id: component.id })
+               .first
+      return prod.name if prod&.name.present?
+    end
+    component.name.presence || component.formula
+  end
+
+  def fmt_kg(v)
+    number_with_precision(v.to_f, precision: 2, strip_insignificant_zeros: true)
+  end
+end
-- 
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