/**
* Validate minimum product qty value
*
* @return $this
*/
protected function _beforeSave()
{
parent::_beforeSave();
$minQty = (int) $this->getValue() >= 0 ? (int) $this->getValue() : (int) $this->getOldValue();
$this->setValue((string) $minQty);
return $this;
}
/**
* Validate specified value against frontend area
*
* @return $this
*/
protected function _beforeSave()
{
if ('' != $this->getValue()) {
$design = clone $this->_design;
$design->setDesignTheme($this->getValue(), \Magento\Framework\App\Area::AREA_FRONTEND);
}
return parent::_beforeSave();
}
/**
* Validate expiration period value before saving
*
* @return $this
*/
protected function _beforeSave()
{
parent::_beforeSave();
$expirationPeriod = (int) $this->getValue();
if ($expirationPeriod < 1) {
$expirationPeriod = (int) $this->getOldValue();
}
$this->setValue((string) $expirationPeriod);
return $this;
}
