When a product is deleted, touch the supplier and distributors

app/models/spree/product_decorator.rb

@@ -188,6 +188,10 @@ Spree::Product.class_eval do
   def delete_with_delete_from_order_cycles
     transaction do
       OpenFoodNetwork::ProductsCache.product_deleted(self) do
+        # Touch supplier and distributors as we would on #destroy
+        self.supplier.touch
+        touch_distributors
+
         ExchangeVariant.where('exchange_variants.variant_id IN (?)', self.variants_including_master_and_deleted).destroy_all
 
         delete_without_delete_from_order_cycles

spec/models/spree/product_spec.rb

@@ -177,6 +177,21 @@ module Spree
 
       # On destroy, all distributed variants are refreshed by a Variant around_destroy
       # callback, so we don't need to do anything on the product model.
+
+      describe "touching affected enterprises when the product is deleted" do
+        let(:product) { create(:simple_product) }
+        let(:supplier) { product.supplier }
+        let(:distributor) { create(:distributor_enterprise) }
+        let!(:oc) { create(:simple_order_cycle, distributors: [distributor], variants: [product.variants.first]) }
+
+        it "touches the supplier" do
+          expect { product.delete }.to change { supplier.reload.updated_at }
+        end
+
+        it "touches all distributors" do
+          expect { product.delete }.to change { distributor.reload.updated_at }
+        end
+      end
     end
 
     describe "scopes" do