From c301c2b3be223fe384bea2d899c6a08de54c21de Mon Sep 17 00:00:00 2001
From: =?utf8?q?Jan=20B=C3=BCren?= <jan@kivitendo.de>
Date: Fri, 1 Mar 2019 14:52:48 +0100
Subject: [PATCH] BankTransaction new method not_assigned_amount

returns the current open amount of this bank transaction.
Added to POD
---
 SL/DB/BankTransaction.pm | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/SL/DB/BankTransaction.pm b/SL/DB/BankTransaction.pm
index cdc181881..9c5b56056 100644
--- 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
-- 
2.20.1