X-Git-Url: http://wagnertech.de/gitweb/gitweb.cgi/mfinanz.git/blobdiff_plain/c21d2acca00997c4ca0be66f053dfdd0180f68f8..c6dd542b51ae9549ad42a54f9023b905412bbab9:/SL/DB/Helper/PriceTaxCalculator.pm

diff --git a/SL/DB/Helper/PriceTaxCalculator.pm b/SL/DB/Helper/PriceTaxCalculator.pm
index 07ad5b11d..44c651196 100644
--- a/SL/DB/Helper/PriceTaxCalculator.pm
+++ b/SL/DB/Helper/PriceTaxCalculator.pm
@@ -3,7 +3,7 @@ package SL::DB::Helper::PriceTaxCalculator;
 use strict;
 
 use parent qw(Exporter);
-our @EXPORT = qw(calculate_prices_and_taxes);
+our @EXPORT = qw(calculate_prices_and_taxes _calculate_item);
 
 use Carp;
 use List::Util qw(sum min max);
@@ -19,7 +19,7 @@ sub calculate_prices_and_taxes {
   require SL::DB::PriceFactor;
   require SL::DB::Unit;
 
-  SL::DB::Part->load_cached(map { $_->parts_id } @{ $self->items }) if @{ $self->items };
+  SL::DB::Part->load_cached(map { $_->parts_id } @{ $self->items }) if @{ $self->items || [] };
 
   my %units_by_name       = map { ( $_->name => $_ ) } @{ SL::DB::Manager::Unit->get_all        };
   my %price_factors_by_id = map { ( $_->id   => $_ ) } @{ SL::DB::Manager::PriceFactor->get_all };
@@ -75,6 +75,8 @@ sub _calculate_item {
   my ($self, $item, $idx, $data, %params) = @_;
 
   my $part       = SL::DB::Part->load_cached($item->parts_id);
+  return unless $item->part;
+
   my $part_unit  = $data->{units_by_name}->{ $part->unit };
   my $item_unit  = $data->{units_by_name}->{ $item->unit };