+ } else { # change the start date only.
+ $self->set('expire', $date);
+ $change_to->set('start_date', $date);
+ $error = $self->replace || $change_to->replace;
+ }
+ if ( $error ) {
+ $dbh->rollback if $oldAutoCommit;
+ return $error;
+ } else {
+ $dbh->commit if $oldAutoCommit;
+ return '';
+ }
+ } # if $self->change_to_pkgnum
+
+ my $new_pkgpart = $opt->{'pkgpart'}
+ if $opt->{'pkgpart'} and $opt->{'pkgpart'} != $self->pkgpart;
+ my $new_locationnum = $opt->{'locationnum'}
+ if $opt->{'locationnum'} and $opt->{'locationnum'} != $self->locationnum;
+ my $new_quantity = $opt->{'quantity'}
+ if $opt->{'quantity'} and $opt->{'quantity'} != $self->quantity;
+
+ return '' unless $new_pkgpart or $new_locationnum or $new_quantity; # wouldn't do anything
+
+ # allow $opt->{'locationnum'} = '' to specifically set it to null
+ # (i.e. customer default location)
+ $opt->{'locationnum'} = $self->locationnum if !exists($opt->{'locationnum'});
+
+ my $new = FS::cust_pkg->new( {
+ custnum => $self->custnum,
+ locationnum => $opt->{'locationnum'},
+ start_date => $date,
+ map { $_ => ( $opt->{$_} || $self->$_() ) }
+ qw( pkgpart quantity refnum salesnum )
+ } );
+ $error = $new->insert('change' => 1,
+ 'allow_pkgpart' => ($new_pkgpart ? 0 : 1));
+ if ( !$error ) {
+ $self->set('change_to_pkgnum', $new->pkgnum);
+ $self->set('expire', $date);
+ $error = $self->replace;
+ }
+ if ( $error ) {
+ $dbh->rollback if $oldAutoCommit;
+ } else {
+ $dbh->commit if $oldAutoCommit;
+ }
+
+ $error;
+}
+
+=item abort_change
+
+Cancels a future package change scheduled by C<change_later>.
+
+=cut
+
+sub abort_change {
+ my $self = shift;
+ my $pkgnum = $self->change_to_pkgnum;
+ my $change_to = FS::cust_pkg->by_key($pkgnum) if $pkgnum;
+ my $error;
+ if ( $change_to ) {
+ $error = $change_to->cancel || $change_to->delete;
+ return $error if $error;
+ }
+ $self->set('change_to_pkgnum', '');
+ $self->set('expire', '');
+ $self->replace;
+}
+
+=item set_quantity QUANTITY
+
+Change the package's quantity field. This is one of the few package properties
+that can safely be changed without canceling and reordering the package
+(because it doesn't affect tax eligibility). Returns an error or an
+empty string.
+
+=cut
+
+sub set_quantity {
+ my $self = shift;
+ $self = $self->replace_old; # just to make sure
+ $self->quantity(shift);
+ $self->replace;
+}
+
+=item set_salesnum SALESNUM
+
+Change the package's salesnum (sales person) field. This is one of the few
+package properties that can safely be changed without canceling and reordering
+the package (because it doesn't affect tax eligibility). Returns an error or
+an empty string.
+
+=cut
+
+sub set_salesnum {
+ my $self = shift;
+ $self = $self->replace_old; # just to make sure
+ $self->salesnum(shift);
+ $self->replace;
+ # XXX this should probably reassign any credit that's already been given
+}
+
+=item modify_charge OPTIONS
+
+Change the properties of a one-time charge. The following properties can
+be changed this way:
+- pkg: the package description
+- classnum: the package class
+- additional: arrayref of additional invoice details to add to this package
+
+and, I<if the charge has not yet been billed>:
+- start_date: the date when it will be billed
+- amount: the setup fee to be charged
+- quantity: the multiplier for the setup fee
+
+If you pass 'adjust_commission' => 1, and the classnum changes, and there are
+commission credits linked to this charge, they will be recalculated.
+
+=cut
+
+sub modify_charge {
+ my $self = shift;
+ my %opt = @_;
+ my $part_pkg = $self->part_pkg;
+ my $pkgnum = $self->pkgnum;
+
+ my $dbh = dbh;
+ my $oldAutoCommit = $FS::UID::AutoCommit;
+ local $FS::UID::AutoCommit = 0;
+
+ return "Can't use modify_charge except on one-time charges"
+ unless $part_pkg->freq eq '0';
+
+ if ( length($opt{'pkg'}) and $part_pkg->pkg ne $opt{'pkg'} ) {
+ $part_pkg->set('pkg', $opt{'pkg'});
+ }
+
+ my %pkg_opt = $part_pkg->options;
+ my $pkg_opt_modified = 0;
+
+ $opt{'additional'} ||= [];
+ my $i;
+ my @old_additional;
+ foreach (grep /^additional/, keys %pkg_opt) {
+ ($i) = ($_ =~ /^additional_info(\d+)$/);
+ $old_additional[$i] = $pkg_opt{$_} if $i;
+ delete $pkg_opt{$_};
+ }
+
+ for ( $i = 0; exists($opt{'additional'}->[$i]); $i++ ) {
+ $pkg_opt{ "additional_info$i" } = $opt{'additional'}->[$i];
+ if (!exists($old_additional[$i])
+ or $old_additional[$i] ne $opt{'additional'}->[$i])
+ {
+ $pkg_opt_modified = 1;
+ }
+ }
+ $pkg_opt_modified = 1 if (scalar(@old_additional) - 1) != $i;
+ $pkg_opt{'additional_count'} = $i if $i > 0;
+
+ my $old_classnum;
+ if ( exists($opt{'classnum'}) and $part_pkg->classnum ne $opt{'classnum'} )
+ {
+ # remember it
+ $old_classnum = $part_pkg->classnum;
+ $part_pkg->set('classnum', $opt{'classnum'});
+ }
+
+ if ( !$self->get('setup') ) {
+ # not yet billed, so allow amount, setup_cost, quantity and start_date
+
+ if ( exists($opt{'amount'})
+ and $part_pkg->option('setup_fee') != $opt{'amount'}
+ and $opt{'amount'} > 0 ) {
+
+ $pkg_opt{'setup_fee'} = $opt{'amount'};
+ $pkg_opt_modified = 1;
+ }
+
+ if ( exists($opt{'setup_cost'})
+ and $part_pkg->setup_cost != $opt{'setup_cost'}
+ and $opt{'setup_cost'} > 0 ) {
+
+ $part_pkg->set('setup_cost', $opt{'setup_cost'});