+sub check_delivery_term {
+ my ($self, $entry) = @_;
+
+ my $object = $entry->{object};
+
+ # Check whether or not delivery term ID is valid.
+ if ($object->delivery_term_id && !$self->delivery_terms_by->{id}->{ $object->delivery_term_id }) {
+ push @{ $entry->{errors} }, $::locale->text('Error: Invalid delivery terms');
+ return 0;
+ }
+
+ # Map name to ID if given.
+ if (!$object->delivery_term_id && $entry->{raw_data}->{delivery_term}) {
+ my $terms = $self->delivery_terms_by->{description}->{ $entry->{raw_data}->{delivery_term} };
+
+ if (!$terms) {
+ push @{ $entry->{errors} }, $::locale->text('Error: Invalid delivery terms');
+ return 0;
+ }
+
+ $object->delivery_term_id($terms->id);
+ }
+
+ return 1;
+}
+