/**
* get the salesrule
*
* if the salesrule is not set, it is created from the configuration
*
* @return Mage_Core_Model_Abstract
* @throws InvalidArgumentException
*/
public function getSalesRule()
{
// if it is set, we got the object
if ($salesrule = parent::getSalesRule()) {
return $salesrule;
}
// if not we have to get it!
$salesruleId = $this->getData('salesRule');
if (!is_numeric($salesruleId)) {
throw new InvalidArgumentException('Salesrule have to be an id!');
}
$salesrule = Mage::getModel('salesrule/rule')->load($salesruleId);
// check wether something was loaded
if ($salesruleId != $salesrule->getId()) {
throw new InvalidArgumentException('Salesrule doesn\'t exist!');
}
// set the rule
$this->setSalesRule($salesrule);
return $salesrule;
}
/**
* Constructor. Set template.
*/
protected function _construct()
{
parent::_construct();
Mage::log('test');
}
