/**
* Add Value Sort To Collection Select
*
* @param \Magento\Eav\Model\Entity\Collection\AbstractCollection $collection
* @param string $dir direction
* @return $this
*/
public function addValueSortToCollection($collection, $dir = 'asc')
{
$attributeCode = $this->getAttribute()->getAttributeCode();
$attributeId = $this->getAttribute()->getId();
$attributeTable = $this->getAttribute()->getBackend()->getTable();
$linkField = $this->getAttribute()->getEntity()->getLinkField();
if ($this->getAttribute()->isScopeGlobal()) {
$tableName = $attributeCode . '_t';
$collection->getSelect()->joinLeft([$tableName => $attributeTable], "e.{$linkField}={$tableName}.{$linkField}" . " AND {$tableName}.attribute_id='{$attributeId}'" . " AND {$tableName}.store_id='0'", []);
$valueExpr = $tableName . '.value';
} else {
$valueTable1 = $attributeCode . '_t1';
$valueTable2 = $attributeCode . '_t2';
$collection->getSelect()->joinLeft([$valueTable1 => $attributeTable], "e.{$linkField}={$valueTable1}.{$linkField}" . " AND {$valueTable1}.attribute_id='{$attributeId}'" . " AND {$valueTable1}.store_id='0'", [])->joinLeft([$valueTable2 => $attributeTable], "e.{$linkField}={$valueTable2}.{$linkField}" . " AND {$valueTable2}.attribute_id='{$attributeId}'" . " AND {$valueTable2}.store_id='{$collection->getStoreId()}'", []);
$valueExpr = $collection->getConnection()->getCheckSql($valueTable2 . '.value_id > 0', $valueTable2 . '.value', $valueTable1 . '.value');
}
$collection->getSelect()->order($valueExpr . ' ' . $dir);
return $this;
}
/**
* Add Value Sort To Collection Select
*
* @param \Magento\Eav\Model\Entity\Collection\AbstractCollection $collection
* @param string $dir
*
* @return \Magento\Eav\Model\Entity\Attribute\Source\Boolean
*/
public function addValueSortToCollection($collection, $dir = \Magento\Framework\DB\Select::SQL_ASC)
{
$attributeCode = $this->getAttribute()->getAttributeCode();
$attributeId = $this->getAttribute()->getId();
$attributeTable = $this->getAttribute()->getBackend()->getTable();
if ($this->getAttribute()->isScopeGlobal()) {
$tableName = $attributeCode . '_t';
$collection->getSelect()->joinLeft(array($tableName => $attributeTable), "e.entity_id={$tableName}.entity_id" . " AND {$tableName}.attribute_id='{$attributeId}'" . " AND {$tableName}.store_id='0'", array());
$valueExpr = $tableName . '.value';
} else {
$valueTable1 = $attributeCode . '_t1';
$valueTable2 = $attributeCode . '_t2';
$collection->getSelect()->joinLeft(array($valueTable1 => $attributeTable), "e.entity_id={$valueTable1}.entity_id" . " AND {$valueTable1}.attribute_id='{$attributeId}'" . " AND {$valueTable1}.store_id='0'", array())->joinLeft(array($valueTable2 => $attributeTable), "e.entity_id={$valueTable2}.entity_id" . " AND {$valueTable2}.attribute_id='{$attributeId}'" . " AND {$valueTable2}.store_id='{$collection->getStoreId()}'", array());
$valueExpr = $collection->getConnection()->getCheckSql($valueTable2 . '.value_id > 0', $valueTable2 . '.value', $valueTable1 . '.value');
}
$collection->getSelect()->order($valueExpr . ' ' . $dir);
return $this;
}