public function addAttributeToFilter($attribute, $condition = null, $joinType = 'inner')
{
switch ($attribute) {
case 'status':
$conditionSql = $this->_getConditionSql($attribute, $condition);
$this->getSelect()->where($conditionSql);
return $this;
break;
default:
parent::addAttributeToFilter($attribute, $condition, $joinType);
}
return $this;
}
