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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Sales\Model\ResourceModel;
use Magento\Framework\DB\Adapter\AdapterInterface;
use Magento\Framework\Model\ResourceModel\Db\AbstractDb;
/**
* Class AbstractGrid
* @api
* @since 100.0.2
*/
abstract class AbstractGrid extends AbstractDb implements GridInterface
{
/**
* @var AdapterInterface
*/
protected $connection;
/**
* @var string
*/
protected $gridTableName;
/**
* @var string
*/
protected $orderTableName = 'sales_order';
/**
* @var string
*/
protected $addressTableName = 'sales_order_address';
/**
* Resource initialization
*
* @return void
*/
protected function _construct()
{
//
}
/**
* Returns connection
*
* @return AdapterInterface
*/
public function getConnection()
{
if (!$this->connection) {
$this->connection = $this->_resources->getConnection('sales');
}
return $this->connection;
}
/**
* Returns grid table name
*
* @return string
*/
public function getGridTable()
{
return $this->getTable($this->gridTableName);
}
/**
* Purge grid row
*
* @param int|string $value
* @param null|string $field
* @return int
*/
public function purge($value, $field = null)
{
return $this->getConnection()->delete(
$this->getTable($this->gridTableName),
[($field ?: 'entity_id') . ' = ?' => $value]
);
}
/**
* Returns update time of the last row in the grid.
*
* If there are no rows in the grid, default value will be returned.
*
* @param string $default
* @return string
* @deprecated 101.0.0 this method is not used in abstract model but only in single child so
* this deprecation is a part of cleaning abstract classes.
* @see \Magento\Sales\Model\ResourceModel\Provider\UpdatedIdListProvider
*/
protected function getLastUpdatedAtValue($default = '0000-00-00 00:00:00')
{
$select = $this->getConnection()->select()
->from($this->getTable($this->gridTableName), ['updated_at'])
->order('updated_at DESC')
->limit(1);
$row = $this->getConnection()->fetchRow($select);
return $row['updated_at'] ?? $default;
}
}