+ my $opt = ref($_[0]) ? shift : { @_ };
+
+ my $cust_main = $opt->{'cust_main'} || $self->cust_main;
+
+ my $conf = new FS::Conf;
+
+ my $msgnum = $conf->config('refund_receipt_msgnum', $cust_main->agentnum);
+ return "No refund_receipt_msgnum configured" unless $msgnum;
+
+ my $msg_template = qsearchs('msg_template',{ msgnum => $msgnum});
+ return "Could not load template"
+ unless $msg_template;
+
+ my $queue = new FS::queue {
+ 'job' => 'FS::Misc::process_send_email',
+ 'custnum' => $cust_main->custnum,
+ };
+ my $error = $queue->insert(
+ FS::msg_template->by_key($msgnum)->prepare(
+ 'cust_main' => $cust_main,
+ 'object' => $self,
+ ),
+ 'msgtype' => 'receipt', # override msg_template's default
+ );
+
+ return $error;
+}
+
+=back
+
+=head1 CLASS METHODS
+
+=over 4
+
+=item unapplied_sql
+
+Returns an SQL fragment to retreive the unapplied amount.
+
+=cut
+
+sub unapplied_sql {
+ my ($class, $start, $end) = @_;
+ my $credit_start = $start ? "AND cust_credit_refund._date <= $start" : '';
+ my $credit_end = $end ? "AND cust_credit_refund._date > $end" : '';
+ my $pay_start = $start ? "AND cust_pay_refund._date <= $start" : '';
+ my $pay_end = $end ? "AND cust_pay_refund._date > $end" : '';
+
+ "refund
+ - COALESCE(
+ ( SELECT SUM(amount) FROM cust_credit_refund
+ WHERE cust_refund.refundnum = cust_credit_refund.refundnum
+ $credit_start $credit_end )
+ ,0
+ )
+ - COALESCE(
+ ( SELECT SUM(amount) FROM cust_pay_refund
+ WHERE cust_refund.refundnum = cust_pay_refund.refundnum
+ $pay_start $pay_end )
+ ,0
+ )
+ ";
+
+}
+
+=item reason
+
+Returns the text of the associated reason (see L<FS::reason>) for this credit.
+
+=cut
+
+sub reason {
+ my ($self, $value, %options) = @_;
+ my $dbh = dbh;
+ my $reason;
+ my $typenum = $options{'reason_type'};
+
+ my $oldAutoCommit = $FS::UID::AutoCommit; # this should already be in
+ local $FS::UID::AutoCommit = 0; # a transaction if it matters
+
+ if ( defined( $value ) ) {
+ my $hashref = { 'reason' => $value };
+ $hashref->{'reason_type'} = $typenum if $typenum;
+ my $addl_from = "LEFT JOIN reason_type ON ( reason_type = typenum ) ";
+ my $extra_sql = " AND reason_type.class='F'";
+
+ $reason = qsearchs( { 'table' => 'reason',
+ 'hashref' => $hashref,
+ 'addl_from' => $addl_from,
+ 'extra_sql' => $extra_sql,
+ } );
+
+ if (!$reason && $typenum) {
+ $reason = new FS::reason( { 'reason_type' => $typenum,
+ 'reason' => $value,
+ 'disabled' => 'Y',
+ } );
+ my $error = $reason->insert;
+ if ( $error ) {
+ warn "error inserting reason: $error\n";
+ $reason = undef;
+ }
+ }
+
+ $self->reasonnum($reason ? $reason->reasonnum : '') ;
+ warn "$me reason used in set mode with non-existant reason -- clearing"
+ unless $reason;
+ }
+ $reason = qsearchs( 'reason', { 'reasonnum' => $self->reasonnum } );
+
+ $dbh->commit or die $dbh->errstr if $oldAutoCommit;
+
+ ( $reason ? $reason->reason : '' ).
+ ( $self->addlinfo ? ' '.$self->addlinfo : '' );
+}
+
+sub _upgrade_schema {
+ #my ($class, %opts) = @_;
+
+ my $sql = 'UPDATE cust_refund SET source_paynum = NULL
+ WHERE source_paynum IS NOT NULL
+ AND NOT EXISTS ( SELECT 1 FROM cust_pay
+ WHERE paynum = cust_refund.source_paynum )
+ ';
+ my $sth = dbh->prepare($sql) or die dbh->errstr;
+ $sth->execute or die $sth->errstr;
+ '';