1 package SL::DB::InvoiceItem;
 
   5 use SL::DB::MetaSetup::InvoiceItem;
 
   6 use SL::DB::Helper::ActsAsList;
 
   7 use SL::DB::Helper::LinkedRecords;
 
   8 use SL::DB::Helper::CustomVariables (
 
   9   sub_module  => 'invoice',
 
  13      class => 'SL::DB::Part',
 
  19 __PACKAGE__->meta->make_manager_class;
 
  21 __PACKAGE__->configure_acts_as_list(group_by => [qw(trans_id)]);
 
  23 __PACKAGE__->meta->add_relationships(
 
  26     class          => 'SL::DB::Invoice',
 
  27     column_map     => { trans_id => 'id' },
 
  32     class          => 'SL::DB::PurchaseInvoice',
 
  33     column_map     => { trans_id => 'id' },
 
  37 __PACKAGE__->meta->initialize;
 
  42   return $self->invoice          if $self->invoice;
 
  43   return $self->purchase_invoice if $self->purchase_invoice;