+ my %method2payby = (
+ 'CC' => 'CARD',
+ 'ECHECK' => 'CHEK',
+ 'LEC' => 'LECB',
+ );
+
+ my $cust_pay = new FS::cust_pay ( {
+ 'custnum' => $self->custnum,
+ 'invnum' => $options{'invnum'},
+ 'paid' => $amount,
+ '_date' => '',
+ 'payby' => $method2payby{$method},
+ 'payinfo' => $self->payinfo,
+ 'paybatch' => "$processor:". $transaction->authorization,
+ } );
+ my $error = $cust_pay->insert;
+ if ( $error ) {
+ $cust_pay->invnum(''); #try again with no specific invnum
+ my $error2 = $cust_pay->insert;
+ if ( $error2 ) {
+ # gah, even with transactions.
+ my $e = 'WARNING: Card/ACH debited but database not updated - '.
+ "error inserting payment ($processor): $error2".
+ " (previously tried insert with invnum #$options{'invnum'}" .
+ ": $error )";
+ warn $e;
+ return $e;
+ }
+ }
+ return ''; #no error
+
+ } else {
+
+ my $perror = "$processor error: ". $transaction->error_message;
+
+ if ( !$options{'quiet'} && !$realtime_bop_decline_quiet
+ && $conf->exists('emaildecline')
+ && grep { $_ ne 'POST' } $self->invoicing_list
+ && ! grep { $transaction->error_message =~ /$_/ }
+ $conf->config('emaildecline-exclude')
+ ) {
+ my @templ = $conf->config('declinetemplate');
+ my $template = new Text::Template (
+ TYPE => 'ARRAY',
+ SOURCE => [ map "$_\n", @templ ],
+ ) or return "($perror) can't create template: $Text::Template::ERROR";
+ $template->compile()
+ or return "($perror) can't compile template: $Text::Template::ERROR";
+
+ my $templ_hash = { error => $transaction->error_message };
+
+ my $error = send_email(
+ 'from' => $conf->config('invoice_from'),
+ 'to' => [ grep { $_ ne 'POST' } $self->invoicing_list ],
+ 'subject' => 'Your payment could not be processed',
+ 'body' => [ $template->fill_in(HASH => $templ_hash) ],
+ );
+
+ $perror .= " (also received error sending decline notification: $error)"
+ if $error;
+
+ }
+
+ return $perror;
+ }
+
+}
+
+=item total_owed
+
+Returns the total owed for this customer on all invoices
+(see L<FS::cust_bill/owed>).
+
+=cut
+
+sub total_owed {
+ my $self = shift;
+ $self->total_owed_date(2145859200); #12/31/2037
+}
+
+=item total_owed_date TIME
+
+Returns the total owed for this customer on all invoices with date earlier than
+TIME. TIME is specified as a UNIX timestamp; see L<perlfunc/"time">). Also
+see L<Time::Local> and L<Date::Parse> for conversion functions.
+
+=cut
+
+sub total_owed_date {
+ my $self = shift;
+ my $time = shift;
+ my $total_bill = 0;
+ foreach my $cust_bill (
+ grep { $_->_date <= $time }
+ qsearch('cust_bill', { 'custnum' => $self->custnum, } )
+ ) {
+ $total_bill += $cust_bill->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 chronological 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) {
+ $credit = pop @credits or last;
+ }
+
+ if ($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,
+ } );
+ my $error = $cust_credit_bill->insert;
+ die $error if $error;
+
+ redo if ($cust_bill->owed > 0);
+
+ }
+
+ return $self->total_credited;
+}
+
+=item apply_payments
+
+Applies (see L<FS::cust_bill_pay>) unapplied payments (see L<FS::cust_pay>)
+to outstanding invoice balances in chronological order.
+
+ #and returns the value of any remaining unapplied payments.
+
+=cut
+
+sub apply_payments {
+ my $self = shift;
+
+ #return 0 unless
+
+ my @payments = sort { $b->_date <=> $a->_date } ( grep { $_->unapplied > 0 }
+ qsearch('cust_pay', { 'custnum' => $self->custnum } ) );
+
+ my @invoices = sort { $a->_date <=> $b->_date} (grep { $_->owed > 0 }
+ qsearch('cust_bill', { 'custnum' => $self->custnum } ) );
+
+ my $payment;
+
+ foreach my $cust_bill ( @invoices ) {
+ my $amount;
+
+ if ( !defined($payment) || $payment->unapplied == 0 ) {
+ $payment = pop @payments or last;
+ }
+
+ if ( $cust_bill->owed >= $payment->unapplied ) {
+ $amount = $payment->unapplied;
+ } else {
+ $amount = $cust_bill->owed;
+ }
+
+ my $cust_bill_pay = new FS::cust_bill_pay ( {
+ 'paynum' => $payment->paynum,
+ 'invnum' => $cust_bill->invnum,
+ 'amount' => $amount,
+ } );
+ my $error = $cust_bill_pay->insert;
+ die $error if $error;
+
+ redo if ( $cust_bill->owed > 0);
+
+ }
+
+ return $self->total_unapplied_payments;
+}
+
+=item total_credited
+
+Returns the total outstanding credit (see L<FS::cust_credit>) for this
+customer. See L<FS::cust_credit/credited>.
+
+=cut
+
+sub total_credited {
+ my $self = shift;
+ my $total_credit = 0;
+ foreach my $cust_credit ( qsearch('cust_credit', {
+ 'custnum' => $self->custnum,
+ } ) ) {
+ $total_credit += $cust_credit->credited;
+ }
+ sprintf( "%.2f", $total_credit );
+}
+
+=item total_unapplied_payments
+
+Returns the total unapplied payments (see L<FS::cust_pay>) for this customer.
+See L<FS::cust_pay/unapplied>.
+
+=cut
+
+sub total_unapplied_payments {
+ my $self = shift;
+ my $total_unapplied = 0;
+ foreach my $cust_pay ( qsearch('cust_pay', {
+ 'custnum' => $self->custnum,
+ } ) ) {
+ $total_unapplied += $cust_pay->unapplied;
+ }
+ sprintf( "%.2f", $total_unapplied );
+}
+
+=item balance
+
+Returns the balance for this customer (total_owed minus total_credited
+minus total_unapplied_payments).
+
+=cut
+
+sub balance {
+ my $self = shift;
+ sprintf( "%.2f",
+ $self->total_owed - $self->total_credited - $self->total_unapplied_payments
+ );
+}
+
+=item balance_date TIME
+
+Returns the balance for this customer, only considering invoices with date
+earlier than TIME (total_owed_date minus total_credited minus
+total_unapplied_payments). TIME is specified as a UNIX timestamp; see
+L<perlfunc/"time">). Also see L<Time::Local> and L<Date::Parse> for conversion
+functions.
+
+=cut
+
+sub balance_date {
+ my $self = shift;
+ my $time = shift;
+ sprintf( "%.2f",
+ $self->total_owed_date($time)
+ - $self->total_credited
+ - $self->total_unapplied_payments
+ );
+}
+
+=item paydate_monthyear
+
+Returns a two-element list consisting of the month and year of this customer's
+paydate (credit card expiration date for CARD customers)
+
+=cut
+
+sub paydate_monthyear {
+ my $self = shift;
+ if ( $self->paydate =~ /^(\d{4})-(\d{2})-\d{2}$/ ) { #Pg date format
+ ( $2, $1 );
+ } elsif ( $self->paydate =~ /^(\d{1,2})-(\d{1,2}-)?(\d{4}$)/ ) {
+ ( $1, $3 );
+ } else {
+ ('', '');
+ }
+}
+
+=item payinfo_masked
+
+Returns a "masked" payinfo field with all but the last four characters replaced
+by 'x'es. Useful for displaying credit cards.
+
+=cut
+
+sub payinfo_masked {
+ my $self = shift;
+ my $payinfo = $self->payinfo;
+ 'x'x(length($payinfo)-4). substr($payinfo,(length($payinfo)-4));
+}
+
+=item invoicing_list [ ARRAYREF ]
+
+If an arguement is given, sets these email addresses as invoice recipients
+(see L<FS::cust_main_invoice>). Errors are not fatal and are not reported
+(except as warnings), so use check_invoicing_list first.
+
+Returns a list of email addresses (with svcnum entries expanded).
+
+Note: You can clear the invoicing list by passing an empty ARRAYREF. You can
+check it without disturbing anything by passing nothing.
+
+This interface may change in the future.
+
+=cut
+
+sub invoicing_list {
+ my( $self, $arrayref ) = @_;
+ if ( $arrayref ) {
+ my @cust_main_invoice;
+ if ( $self->custnum ) {
+ @cust_main_invoice =
+ qsearch( 'cust_main_invoice', { 'custnum' => $self->custnum } );
+ } else {
+ @cust_main_invoice = ();