===================================================================
RCS file: /cvs/RT/Invoicing/rt_invoices.pl,v
retrieving revision 1.47
retrieving revision 1.51
diff -u -r1.47 -r1.51
--- RT/Invoicing/rt_invoices.pl	2012/01/31 04:36:28	1.47
+++ 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 1.46 2012/01/27 04:13:45 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>
 #
@@ -189,6 +189,36 @@
     }
 }
 
+if ( my $credits = $state->credits ) {
+    foreach my $custid ( keys %{$credits} ) {
+
+        my $cust;
+        foreach ( @{$customers} ) {
+            if ( $_->{id} eq $custid ) {
+                $cust = $_;
+                last;
+            }
+        }
+
+        next unless $cust;
+        next unless $cust->{invoice};
+        next unless $credits->{$custid} < 0;
+
+        $cust->{invoice}->{credit} = $credits->{$custid};
+
+        unshift @{ $cust->{invoice}->{projects} }, {
+            title    => 'Credits',
+            no_total => 1,
+            fees     => [
+                {   contents => 'Available Credit',
+                    count    => 1,
+                    rate     => -$credits->{$custid},
+                }
+            ],
+        };
+    }
+}
+
 foreach my $cust ( @{$customers} ) {
     my $invoice = $cust->{invoice};
     next unless $invoice && $invoice->{projects} && @{ $invoice->{projects} };
@@ -392,7 +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 );
@@ -508,7 +538,7 @@
     # XXX Only need $ticket for the alternate subject
 
     my $work_time = sprintf "%.03f", $txn->time_taken / 60;
-    my $work_type = $txn->cf('WorkType');
+    my $work_type = $txn->cf('WorkType') || '';
 
     if ( $work_type =~ s/\s*Onsite//i ) {
 
@@ -607,7 +637,9 @@
         }
     }
 
-    return $newest_invoice->clone->subtract($max_duration)
+    $newest_invoice ||= DateTime->now;
+
+    return $newest_invoice->clone->subtract_duration($max_duration)
         ->subtract( days => 1 );
 }
 
@@ -620,7 +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;
@@ -636,7 +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;
 }