+ if ( $self->_type eq 'Select discount type' ) {
+ return 'Please select a discount type';
+ } elsif ( $self->_type eq 'Amount' ) {
+ $self->percent('0');
+ return 'Amount must be greater than 0' unless $self->amount > 0;
+ } elsif ( $self->_type eq 'Percentage' ) {
+ $self->amount('0.00');
+ return 'Percentage must be greater than 0' unless $self->percent > 0;
+ }
+