PriceSource: credit_notes auch im Popup unterstützen

[kivitendo-erp.git] / SL / DB / Buchungsgruppe.pm

diff --git a/SL/DB/Buchungsgruppe.pm b/SL/DB/Buchungsgruppe.pm
index 3504e2a..eb467c5 100644 (file)
--- a/SL/DB/Buchungsgruppe.pm
+++ b/SL/DB/Buchungsgruppe.pm
@@ -73,6 +73,15 @@ sub taxzonecharts {
   return SL::DB::Manager::TaxzoneChart->get_all(where => [ buchungsgruppen_id => $self->id ]);
 }
 
+sub orphaned {
+  my ($self) = @_;
+  die 'not an accessor' if @_ > 1;
+
+  require SL::DB::Part;
+  return 0 if SL::DB::Manager::Part->get_all_count(query => [ buchungsgruppen_id => $self->id ]);
+  return 1;
+}
+
 1;
 __END__
 
@@ -111,6 +120,10 @@ Return the chart (an instance of L<SL::DB::Chart>) for the income
 account for the given taxzone (either the DB id or an instance of
 L<SL::DB::TaxZone>).
 
+=item C<orphaned>
+
+Checks whether this Buchungsgruppe is assigned to any parts.
+
 =back
 
 =head1 BUGS