From 96ddb9322d73a00236a566e9764094c29ff80297 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Sven=20Sch=C3=B6ling?= <s.schoeling@linet-services.de>
Date: Mon, 31 Jul 2017 15:40:15 +0200
Subject: [PATCH] ShippedQty: Chaining bei Aufruf mit leerem Array

---
 SL/Helper/ShippedQty.pm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/SL/Helper/ShippedQty.pm b/SL/Helper/ShippedQty.pm
index d89a306c7..5135823e7 100644
--- a/SL/Helper/ShippedQty.pm
+++ b/SL/Helper/ShippedQty.pm
@@ -104,8 +104,6 @@ sub calculate {
 
   die 'Need exactly one argument, either id, object or arrayref of ids or objects.' unless 2 == @_;
 
-  return $self if !$data || ('ARRAY' eq ref $data && !@$data);
-
   $self->normalize_input($data);
 
   return $self unless @{ $self->oe_ids };
@@ -235,6 +233,8 @@ sub write_to {
 sub write_to_objects {
   my ($self) = @_;
 
+  return unless @{ $self->oe_ids };
+
   die 'Can only use write_to_objects, when calculate was called with objects. Use write_to instead.' unless $self->objects_or_ids;
 
   $self->write_to($self->objects);
-- 
2.20.1