public function validate()
{
$result = parent::validate();
$minLength = $this->config()->minimum_code_length;
$code = $this->getField('Code');
if ($minLength && $code && $this->isChanged('Code') && strlen($code) < $minLength) {
$result->error(_t('OrderCoupon.INVALIDMINLENGTH', 'Coupon code must be at least {length} characters in length', array('length' => $this->config()->minimum_code_length)), 'INVALIDMINLENGTH');
}
return $result;
}
function validate()
{
$result = parent::validate();
//prevent vital things from changing
foreach (self::$defaults as $field => $value) {
if ($this->isChanged($field)) {
$result->error("{$field} should not be changed for partial use discounts.");
}
}
return $result;
}
