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<?php
/**
* Bitrix Framework
* @package bitrix
* @subpackage main
* @copyright 2001-2021 Bitrix
*/
namespace Bitrix\Main\ORM\Fields;
/**
* Entity field class for object data type
* @package bitrix
* @subpackage main
*/
class ObjectField extends ScalarField
{
/** @var string[] */
protected $objectClasses = [];
/** @var callable */
protected $encodeFunction;
/** @var callable */
protected $decodeFunction;
/**
* ObjectField constructor.
*
* @param string $name
* @param array $parameters
*
* @throws \Bitrix\Main\SystemException
*/
public function __construct($name, $parameters = [])
{
$this->addSaveDataModifier([$this, 'encode']);
$this->addFetchDataModifier([$this, 'decode']);
parent::__construct($name, $parameters);
}
/**
* @return string[]
*/
public function getObjectClasses()
{
return $this->objectClasses;
}
/**
* @param string|string[] $objectClass
*
* @return $this
*/
public function configureObjectClass($objectClass)
{
$classes = is_array($objectClass) ? $objectClass : [$objectClass];
foreach ($classes as $class)
{
if (substr($class, 0, 1) !== '\\')
{
$class = '\\'.$class;
}
$this->objectClasses[] = $class;
}
return $this;
}
/**
* Custom encode handler
*
* @param callable $callback
*
* @return $this
*/
public function configureSerializeCallback($callback)
{
$this->encodeFunction = $callback;
return $this;
}
/**
* Custom decode handler
*
* @param $callback
*
* @return $this
*/
public function configureUnserializeCallback($callback)
{
$this->decodeFunction = $callback;
return $this;
}
/**
* @param mixed $value
*
* @return string
*/
public function encode($value)
{
$callback = $this->encodeFunction;
return $callback($value);
}
/**
* @param string $value
*
* @return mixed
*/
public function decode($value)
{
$callback = $this->decodeFunction;
return $callback($value);
}
/**
* @inheritDoc
* @return mixed
*/
public function cast($value)
{
// try to check type
if (!empty($this->objectClasses))
{
$foundClass = false;
foreach ($this->objectClasses as $objectType)
{
if ($value instanceof $objectType)
{
$foundClass = true;
break;
}
}
if (!$foundClass)
{
trigger_error(sprintf(
'Invalid value type `%s` for `%s` field',
gettype($value) === 'object' ? get_class($value) : gettype($value),
$this->entity->getFullName().':'.$this->name
), E_USER_WARNING
);
}
}
return $value;
}
/**
* @inheritDoc
*/
public function convertValueFromDb($value)
{
return $this->getConnection()->getSqlHelper()->convertFromDbString($value);
}
/**
* @inheritDoc
*/
public function convertValueToDb($value)
{
return $value === null && $this->is_nullable
? $value
: $this->getConnection()->getSqlHelper()->convertToDbString($value);
}
/**
* @inheritDoc
*/
public function getGetterTypeHint()
{
$type = 'mixed';
if (!empty($this->objectClasses))
{
$types = $this->objectClasses;
if ($this->is_nullable)
{
$types[] = 'null';
}
$type = join('|', $types);
}
return $type;
}
/**
* @inheritDoc
*/
public function getSetterTypeHint()
{
$type = 'mixed';
if (!empty($this->objectClasses))
{
$types = $this->objectClasses;
if ($this->is_nullable)
{
$types[] = 'null';
}
$type = join('|', $types);
}
return $type;
}
}