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<?php
/**
* Copyright © 2023 ExacTI Technology Solutions. All rights reserved.
* GPLv3 General License.
* https://exacti.com.br
* Phacil PHP Framework - https://github.com/exacti/phacil-framework
*/
namespace Phacil\Framework\MagiQL\Syntax;
use Phacil\Framework\MagiQL\Manipulation\QueryException;
use Phacil\Framework\MagiQL\Api\Syntax\QueryPartInterface;
/**
* Class Column.
*/
class Column implements QueryPartInterface
{
const ALL = '*';
/**
* @var Table
*/
protected $table;
/**
* @var string
*/
protected $name;
/**
* @var string
*/
protected $alias;
/**
* @param string $name
* @param string $table
* @param string $alias
*/
public function __construct($name, $table, $alias = '')
{
$this->setName($name);
$this->setTable($table);
$this->setAlias($alias);
}
/**
* @return string
*/
public function partName()
{
return 'COLUMN';
}
/**
* @return string
*/
public function getName()
{
return $this->name;
}
/**
* @param string $name
*
* @return $this
*/
public function setName($name)
{
$this->name = (string) $name;
return $this;
}
/**
* @return Table
*/
public function getTable()
{
return $this->table;
}
/**
* @param string $table
*
* @return $this
*/
public function setTable($table)
{
$newTable = array($table);
$this->table = SyntaxFactory::createTable($newTable);
return $this;
}
/**
* @return string
*/
public function getAlias()
{
return $this->alias;
}
/**
* @param null|string $alias
*
* @return $this
*
* @throws QueryException
*/
public function setAlias($alias)
{
if (!$alias || 0 == \strlen($alias)) {
$this->alias = null;
return $this;
}
if ($this->isAll()) {
throw new QueryException("Can't use alias because column name is ALL (*)");
}
$this->alias = (string) $alias;
return $this;
}
/**
* Check whether column name is '*' or not.
*
* @return bool
*/
public function isAll()
{
return $this->getName() == self::ALL;
}
}