From 9cc31e125e1d2327636aa88f11dea607fae982b6 Mon Sep 17 00:00:00 2001
From: puppe1990 <matheus.puppe90@hotmail.com>
Date: Sat, 19 Oct 2024 16:19:58 -0300
Subject: [PATCH] fix error

---
 app/models/production.rb       |  4 +++-
 spec/models/production_spec.rb | 14 ++++++++++++++
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/app/models/production.rb b/app/models/production.rb
index e62dc22d..86613888 100644
--- a/app/models/production.rb
+++ b/app/models/production.rb
@@ -126,6 +126,8 @@ def calendar_date
   end
 
   def total_value_delivered
-    production_products.sum { |pp| pp.pieces_delivered * pp.unit_price }
+    production_products.sum do |pp|
+      (pp.pieces_delivered || 0) * (pp.unit_price || 0)
+    end
   end
 end
diff --git a/spec/models/production_spec.rb b/spec/models/production_spec.rb
index ef09f590..270c99da 100644
--- a/spec/models/production_spec.rb
+++ b/spec/models/production_spec.rb
@@ -216,6 +216,20 @@
         expected_total = production.production_products.first.pieces_delivered * production.production_products.first.unit_price
         expect(production.total_value_delivered).to be_within(0.01).of(expected_total)
       end
+
+      it 'handles nil unit_price correctly' do
+        production.production_products.first.update(
+          pieces_delivered: 5,
+          unit_price: nil
+        )
+        production.production_products.last.update(
+          pieces_delivered: 3,
+          unit_price: 10.0
+        )
+
+        expected_total = 0 + (3 * 10.0)
+        expect(production.total_value_delivered).to be_within(0.01).of(expected_total)
+      end
     end
   end
 end