X-Git-Url: http://wagnertech.de/git?a=blobdiff_plain;f=SL%2FDB%2FUnit.pm;h=927e31b2eef87a7a3cb40f26a46ac1ca6e7d7e2c;hb=9efca844f6b8086d64589b4cecbf5b76a120afd0;hp=6a197337c42a8e9731a396245c384356a11addba;hpb=82515b2d93dc5632f24d6e0b6f8f05f3fd19fbb0;p=kivitendo-erp.git

diff --git a/SL/DB/Unit.pm b/SL/DB/Unit.pm
index 6a197337c..927e31b2e 100644
--- a/SL/DB/Unit.pm
+++ b/SL/DB/Unit.pm
@@ -1,18 +1,14 @@
-# This file has been auto-generated only because it didn't exist.
-# Feel free to modify it at will; it will not be overwritten automatically.
-
 package SL::DB::Unit;
 
 use strict;
 
 use SL::DB::MetaSetup::Unit;
-
-# Creates get_all, get_all_count, get_all_iterator, delete_all and update_all.
-__PACKAGE__->meta->make_manager_class;
+use SL::DB::Manager::Unit;
+use SL::DB::Helper::ActsAsList;
 
 __PACKAGE__->meta->add_relationships(
   base => {
-    type         => 'one to one',
+    type         => 'many to one',
     class        => 'SL::DB::Unit',
     column_map   => { base_unit => 'name' },
   },
@@ -38,4 +34,23 @@ sub convertible_units {
   ];
 }
 
+sub base_factor {
+  my ($self) = @_;
+
+  if (!defined $self->{__base_factor}) {
+    $self->{__base_factor} = !$self->base_unit || !$self->factor || ($self->name eq $self->base_unit) ? 1 : $self->factor * $self->base->base_factor;
+  }
+
+  return $self->{__base_factor};
+}
+
+sub convert_to {
+  my ($self, $qty, $other_unit) = @_;
+
+  my $my_base_factor    = $self->base_factor       || 1;
+  my $other_base_factor = $other_unit->base_factor || 1;
+
+  return $qty * $my_base_factor / $other_base_factor;
+}
+
 1;