BankTransaction new method not_assigned_amount

returns the current open amount of this bank transaction.
Added to POD

diff --git a/SL/DB/BankTransaction.pm b/SL/DB/BankTransaction.pm
index cdc1818..9c5b560 100644 (file)
--- a/SL/DB/BankTransaction.pm
+++ b/SL/DB/BankTransaction.pm
@@ -287,6 +287,16 @@ sub _check_string {
     return $match;
 };
 
+
+sub not_assigned_amount {
+  my ($self) = @_;
+
+  my $not_assigned_amount = $self->amount - $self->invoice_amount;
+  die ("undefined state") if (abs($not_assigned_amount) > abs($self->amount));
+
+  return $not_assigned_amount;
+
+}
 1;
 
 __END__
@@ -339,6 +349,11 @@ Usage:
  croak("No linked records at all") unless @{ $bt->linked_invoices() };
 
 
+=item C<not_assigned_amount>
+
+Returns the not open amount of this bank transaction.
+Dies if the return amount is higher than the original amount.
+
 =back
 
 =head1 AUTHOR