From 1e0d809db9e6d5a28d670da3be68e39e69c06dbc Mon Sep 17 00:00:00 2001
From: Sylvain <bond.never.die@gmail.com>
Date: Thu, 11 Aug 2016 13:44:42 +0200
Subject: [PATCH] handle coupon in refunds

---
 app/models/invoice.rb | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/app/models/invoice.rb b/app/models/invoice.rb
index 3cd7c92cb..d51533a77 100644
--- a/app/models/invoice.rb
+++ b/app/models/invoice.rb
@@ -147,6 +147,11 @@ class Invoice < ActiveRecord::Base
         avoir.total += avoir_ii.amount
       end
     end
+    # handle coupon
+    unless avoir.coupon_id.nil?
+      discount = avoir.total  * avoir.coupon.percent_off / 100
+      avoir.total -= discount
+    end
     avoir
   end