First commit.

Vive le Castel Peter !

1 files changed, 16 insertions, 0 deletions

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