/**
* Add attribute to filter
*
* @param \Magento\Eav\Model\Entity\Attribute\AbstractAttribute|string $attribute
* @param array $condition
* @param string $joinType
* @return $this
*/
public function addAttributeToFilter($attribute, $condition = null, $joinType = 'inner')
{
if ($this->isEnabledFlat()) {
if ($attribute instanceof \Magento\Eav\Model\Entity\Attribute\AbstractAttribute) {
$attribute = $attribute->getAttributeCode();
}
if (is_array($attribute)) {
$sqlArr = array();
foreach ($attribute as $condition) {
$sqlArr[] = $this->_getAttributeConditionSql($condition['attribute'], $condition, $joinType);
}
$conditionSql = '(' . join(') OR (', $sqlArr) . ')';
$this->getSelect()->where($conditionSql);
return $this;
}
if (!isset($this->_selectAttributes[$attribute])) {
$this->addAttributeToSelect($attribute);
}
if (isset($this->_selectAttributes[$attribute])) {
$this->getSelect()->where($this->_getConditionSql('e.' . $attribute, $condition));
}
return $this;
}
$this->_allIdsCache = null;
if (is_string($attribute) && $attribute == 'is_saleable') {
$columns = $this->getSelect()->getPart(\Zend_Db_Select::COLUMNS);
foreach ($columns as $columnEntry) {
list($correlationName, $column, $alias) = $columnEntry;
if ($alias == 'is_saleable') {
if ($column instanceof \Zend_Db_Expr) {
$field = $column;
} else {
$adapter = $this->getSelect()->getAdapter();
if (empty($correlationName)) {
$field = $adapter->quoteColumnAs($column, $alias, true);
} else {
$field = $adapter->quoteColumnAs(array($correlationName, $column), $alias, true);
}
}
$this->getSelect()->where("{$field} = ?", $condition);
break;
}
}
return $this;
} else {
return parent::addAttributeToFilter($attribute, $condition, $joinType);
}
}
