From 9dcbd9076ef4085d73842e1945ec2a50e8fac541 Mon Sep 17 00:00:00 2001
From: Maikel Linke <maikel@email.org.au>
Date: Thu, 28 Jun 2018 15:39:15 +1000
Subject: [PATCH] Override `in_stock?` to prepare for Spree 2.0

---
 lib/open_food_network/scope_variant_to_hub.rb | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lib/open_food_network/scope_variant_to_hub.rb b/lib/open_food_network/scope_variant_to_hub.rb
index 94e430c53d..feb99ae7c3 100644
--- a/lib/open_food_network/scope_variant_to_hub.rb
+++ b/lib/open_food_network/scope_variant_to_hub.rb
@@ -20,6 +20,14 @@ module OpenFoodNetwork
         Spree::Price.new(amount: price, currency: currency)
       end
 
+      # Old Spree has the same logic as here and doesn't need this override.
+      # But we need this to use VariantOverrides with Spree 2.0.
+      def in_stock?
+        return true unless Spree::Config[:track_inventory_levels]
+
+        on_demand || (count_on_hand > 0)
+      end
+
       def count_on_hand
         @variant_override.andand.count_on_hand || super
       end