===================================================================
RCS file: /cvs/RT/Invoicing/rt_invoices.pl,v
retrieving revision 1.50
retrieving revision 1.51
diff -u -r1.50 -r1.51
--- RT/Invoicing/rt_invoices.pl	2013/06/20 05:36:06	1.50
+++ RT/Invoicing/rt_invoices.pl	2015/05/07 06:21:49	1.51
@@ -1,5 +1,5 @@
 #!/usr/bin/perl
-# $AFresh1: rt_invoices.pl,v 1.49 2013/02/05 03:41:58 andrew Exp $
+# $AFresh1: rt_invoices.pl,v 1.50 2013/06/20 04:36:06 andrew Exp $
 ########################################################################
 # Copyright (c) 2011 Andrew Fresh <andrew@afresh1.com>
 #
@@ -422,7 +422,7 @@
     while ( $date < $billend ) {
         my $start = $date->clone;
 
-        $date->add($freq);
+        $date->add_duration($freq);
 
         my $end = $date > $billend ? $billend->clone : $date->clone;
         $end->subtract( seconds => 1 );
@@ -637,7 +637,9 @@
         }
     }
 
-    return $newest_invoice->clone->subtract($max_duration)
+    $newest_invoice ||= DateTime->now;
+
+    return $newest_invoice->clone->subtract_duration($max_duration)
         ->subtract( days => 1 );
 }
 
@@ -650,7 +652,7 @@
     my $end = DateTime->now( time_zone => 'local' )
         ->set( hour => 0, minute => 0, second => 0 );
 
-    my $start = $end->clone->subtract($freq);
+    my $start = $end->clone->subtract_duration($freq);
 
     # XXX This is helpful, but monthly and billday > 28 == !!!
     $end->subtract( days => 1 ) while $day && $end->$day_method != $day;
@@ -666,7 +668,7 @@
         ? DateTime->now->subtract( days => $cust->{net} )
         : 0;
 
-    $cust->{no_invoice} = 1 if $start->clone->add($freq) > $end;
+    $cust->{no_invoice} = 1 if $start->clone->add_duration($freq) > $end;
     $cust->{billend}    = $end;
     $cust->{billstart}  = $start;
 }