X-Git-Url: http://wagnertech.de/git?a=blobdiff_plain;f=SL%2FDB%2FUnit.pm;h=b133d8f131263cf39e3dea9c4b7da4827cf97c7b;hb=843de7839af752ec61b80616aaca6af5aadbf7fc;hp=6a197337c42a8e9731a396245c384356a11addba;hpb=6cf3f7762efd40bee49a2b8f11bb4ab6915d9071;p=kivitendo-erp.git

diff --git a/SL/DB/Unit.pm b/SL/DB/Unit.pm
index 6a197337c..b133d8f13 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' },
   },
@@ -31,11 +27,32 @@ sub unit_class {
 
 sub convertible_units {
   my $self = shift;
+  my $all_units = scalar(@_) && (ref($_[0]) eq 'ARRAY') ? $_[0] : \@_;
+  $all_units    = SL::DB::Manager::Unit->get_all if !@{ $all_units };
   return [
     sort { $a->sortkey <=> $b->sortkey }
     grep { $_->unit_class->name eq $self->unit_class->name }
-    @{ SL::DB::Manager::Unit->get_all }
+    @{ $all_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;