haste makes waste... and left a method out

[freeside.git] / FS / FS / cust_main.pm

diff --git a/FS/FS/cust_main.pm b/FS/FS/cust_main.pm
index 682b43d..bd1f212 100644 (file)
--- a/FS/FS/cust_main.pm
+++ b/FS/FS/cust_main.pm
@@ -28,6 +28,7 @@ use FS::part_referral;
 use FS::cust_main_county;
 use FS::agent;
 use FS::cust_main_invoice;
+use FS::cust_credit_bill;
 use FS::prepay_credit;
 
 @ISA = qw( FS::Record );
@@ -1238,6 +1239,57 @@ sub total_owed {
   sprintf( "%.2f", $total_bill );
 }
 
+=item apply_credits
+
+Applies (see L<FS::cust_credit_bill>) unapplied credits (see L<FS::cust_credit>)to outstanding invoice balances in cronological order and returns the value
+of any remaining unapplied credits available for refund (see L<FS::cust_refund>).
+
+=cut
+
+sub apply_credits {
+  my $self = shift;
+
+  return 0 unless $self->total_credited;
+
+  my @credits = sort { $b->_date <=> $a->_date} (grep { $_->credited > 0 }
+      qsearch('cust_credit', { 'custnum' => $self->custnum } ) );
+
+  my @invoices = sort { $a->_date <=> $b->_date} (grep { $_->owed > 0 }
+      qsearch('cust_bill', { 'custnum' => $self->custnum } ) );
+
+  my $credit;
+
+  foreach my $cust_bill ( @invoices ) {
+    my $amount;
+
+    if (!(defined $credit) || $credit->credited == 0) {
+      $credit = pop @credits;
+      last unless defined $credit;
+    }
+
+    if ($cust_bill->owed >= $credit->credited) {
+      $amount=$credit->credited;
+    }else{
+      $amount=$cust_bill->owed;
+    }
+    
+    my $cust_credit_bill = new FS::cust_credit_bill ( {
+      'crednum' => $credit->crednum,
+      'invnum'  => $cust_bill->invnum,
+      'amount'  => $amount,
+      '_date'   => time,
+    } );
+    my $error = $cust_credit_bill->insert;
+    die $error if $error;
+    
+    redo if ($cust_bill->owed > 0);
+
+  }
+
+  return $self->total_credited;
+}
+
+
 =item total_credited
 
 Returns the total credits (see L<FS::cust_credit>) for this customer.
@@ -1398,7 +1450,7 @@ sub rebuild_fuzzyfiles {
 
 =head1 VERSION
 
-$Id: cust_main.pm,v 1.22 2001-08-28 14:34:14 ivan Exp $
+$Id: cust_main.pm,v 1.25 2001-09-01 22:28:51 jeff Exp $
 
 =head1 BUGS
 
@@ -1415,8 +1467,6 @@ CyberCash v2 forces us to define some variables in package main.
 There should probably be a configuration file with a list of allowed credit
 card types.
 
-CyberCash is the only processor.
-
 No multiple currency support (probably a larger project than just this module).
 
 =head1 SEE ALSO