+=item num_cust_bill_event
+
+Returns the number of completed invoice events (deprecated, old-style events - see L<FS::cust_bill_event>) for this invoice.
+
+=cut
+
+sub num_cust_bill_event {
+ my $self = shift;
+ my $sql =
+ "SELECT COUNT(*) FROM cust_bill_event WHERE invnum = ?";
+ my $sth = dbh->prepare($sql) or die dbh->errstr. " preparing $sql";
+ $sth->execute($self->invnum) or die $sth->errstr. " executing $sql";
+ $sth->fetchrow_arrayref->[0];
+}
+
+=item cust_event
+
+Returns the new-style customer billing events (see L<FS::cust_event>) for this invoice.
+
+=cut
+
+#false laziness w/cust_pkg.pm
+sub cust_event {
+ my $self = shift;
+ qsearch({
+ 'table' => 'cust_event',
+ 'addl_from' => 'JOIN part_event USING ( eventpart )',
+ 'hashref' => { 'tablenum' => $self->invnum },
+ 'extra_sql' => " AND eventtable = 'cust_bill' ",
+ });
+}
+
+=item num_cust_event
+
+Returns the number of new-style customer billing events (see L<FS::cust_event>) for this invoice.
+
+=cut
+
+#false laziness w/cust_pkg.pm
+sub num_cust_event {
+ my $self = shift;
+ my $sql =
+ "SELECT COUNT(*) FROM cust_event JOIN part_event USING ( eventpart ) ".
+ " WHERE tablenum = ? AND eventtable = 'cust_bill'";
+ my $sth = dbh->prepare($sql) or die dbh->errstr. " preparing $sql";
+ $sth->execute($self->invnum) or die $sth->errstr. " executing $sql";
+ $sth->fetchrow_arrayref->[0];
+}