+use SL::DB::Manager::Business;
+
+__PACKAGE__->meta->initialize;
+
+sub validate {
+ my ($self) = @_;
+
+ my @errors;
+ push @errors, $::locale->text('The description is missing.') if !$self->description;
+ push @errors, $::locale->text('The discount must not be negative.') if $self->discount < 0;
+ push @errors, $::locale->text('The discount must be less than 100%.') if $self->discount >= 1;
+
+ return @errors;
+}