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<?php
/**
* Bitrix Framework
* @package bitrix
* @subpackage main
* @copyright 2001-2012 Bitrix
*/
namespace Bitrix\Main\ORM\Fields;
use Bitrix\Main\Application;
use Bitrix\Main\DB\SqlExpression;
use Bitrix\Main\ORM\Entity;
use Bitrix\Main\ORM\EntityError;
use Bitrix\Main\ORM\Data\Result;
use Bitrix\Main\ORM\Fields\Validators\IValidator;
use Bitrix\Main\Localization\Loc;
use Bitrix\Main\SystemException;
/**
* Base entity field class
* @package bitrix
* @subpackage main
*/
abstract class Field
{
/** @var string */
protected $name;
/** @var string */
protected $dataType;
/** @var array */
protected $initialParameters;
/** @var string */
protected $title;
/** @var null|callback */
protected $validation = null;
/** @var null|callback[]|Validators\Validator[] */
protected $validators = null;
/** @var array|callback[]|Validators\Validator[] */
protected $additionalValidators = array();
/** @var null|callback */
protected $fetchDataModification = null;
/** @var null|callback[] */
protected $fetchDataModifiers;
/** @var null|callback[] */
protected $additionalFetchDataModifiers = array();
/** @var null|callback */
protected $saveDataModification = null;
/** @var null|callback[] */
protected $saveDataModifiers;
/** @var null|callback[] */
protected $additionalSaveDataModifiers = array();
/**
* @deprecated
* @see ArrayField
* @var bool
*/
protected $isSerialized = false;
/** @var Field */
protected $parentField;
/** @var Entity */
protected $entity;
/**
* @deprecated
* @var array
*/
protected static $oldDataTypes = array(
'float' => 'Bitrix\Main\ORM\Fields\FloatField',
'string' => 'Bitrix\Main\ORM\Fields\StringField',
'text' => 'Bitrix\Main\ORM\Fields\TextField',
'datetime' => 'Bitrix\Main\ORM\Fields\DatetimeField',
'date' => 'Bitrix\Main\ORM\Fields\DateField',
'integer' => 'Bitrix\Main\ORM\Fields\IntegerField',
'enum' => 'Bitrix\Main\ORM\Fields\EnumField',
'boolean' => 'Bitrix\Main\ORM\Fields\BooleanField'
);
/**
* @param string $name
* @param array $parameters deprecated, use configure* and add* methods instead
*
* @throws SystemException
*/
public function __construct($name, $parameters = array())
{
if (!strlen($name))
{
throw new SystemException('Field name required');
}
$this->name = $name;
$this->dataType = null;
$this->initialParameters = $parameters;
if (isset($parameters['title']))
{
$this->title = $parameters['title'];
}
// validation
if (isset($parameters['validation']))
{
$this->validation = $parameters['validation'];
}
// fetch data modifiers
if (isset($parameters['fetch_data_modification']))
{
$this->fetchDataModification = $parameters['fetch_data_modification'];
}
// save data modifiers
if (isset($parameters['save_data_modification']))
{
$this->saveDataModification = $parameters['save_data_modification'];
}
if (!empty($parameters['serialized']))
{
$this->setSerialized();
}
}
/**
* @param Entity $entity
*
* @throws SystemException
*/
public function setEntity(Entity $entity)
{
if ($this->entity !== null)
{
throw new SystemException(sprintf('Field "%s" already has entity', $this->name));
}
$this->entity = $entity;
}
public function resetEntity()
{
$this->entity = null;
}
abstract public function getTypeMask();
/**
* @param $value
* @param $primary
* @param $row
* @param Result $result
*
* @return Result
* @throws SystemException
*/
public function validateValue($value, $primary, $row, Result $result)
{
if ($value instanceof SqlExpression)
{
return $result;
}
$validators = $this->getValidators();
foreach ($validators as $validator)
{
if ($validator instanceof IValidator)
{
$vResult = $validator->validate($value, $primary, $row, $this);
}
else
{
$vResult = call_user_func_array($validator, array($value, $primary, $row, $this));
}
if ($vResult !== true)
{
if ($vResult instanceof EntityError)
{
$result->addError($vResult);
}
else
{
$result->addError(new FieldError($this, $vResult, FieldError::INVALID_VALUE));
}
}
}
return $result;
}
/**
* @param $value
* @param $data
*
* @return mixed
* @throws SystemException
*/
public function modifyValueBeforeSave($value, $data)
{
$modifiers = $this->getSaveDataModifiers();
foreach ($modifiers as $modifier)
{
$value = call_user_func_array($modifier, array($value, $data));
}
return $value;
}
/**
* @return callback[]|Validators\Validator[]
* @throws SystemException
*/
public function getValidators()
{
if ($this->validators === null)
{
$this->validators = array();
if ($this->validation !== null)
{
$validators = call_user_func($this->validation);
if (!is_array($validators))
{
throw new SystemException(sprintf(
'Validation for %s field of %s entity should return array of validators',
$this->name, $this->entity->getDataClass()
));
}
foreach ($validators as $validator)
{
$this->appendValidator($validator);
}
}
foreach ($this->additionalValidators as $validator)
{
$this->appendValidator($validator);
}
}
return $this->validators;
}
/**
* @param Validators\Validator|callable $validator
*
* @return $this
* @throws SystemException
*/
public function addValidator($validator)
{
// append only when not null. and when is null - delay it
if ($this->validators === null)
{
$this->additionalValidators[] = $validator;
}
else
{
$this->appendValidator($validator);
}
return $this;
}
/**
* @param Validators\Validator|callable $validator
*
* @throws SystemException
*/
protected function appendValidator($validator)
{
if (!($validator instanceof Validators\Validator) && !is_callable($validator))
{
throw new SystemException(sprintf(
'Validators of "%s" field of "%s" entity should be a Validator\Base or callback',
$this->name, $this->entity->getDataClass()
));
}
$this->validators[] = $validator;
}
/**
* @return array|callback[]|null
* @throws SystemException
*/
public function getFetchDataModifiers()
{
if ($this->fetchDataModifiers === null)
{
$this->fetchDataModifiers = array();
if ($this->fetchDataModification !== null)
{
$modifiers = call_user_func($this->fetchDataModification);
if (!is_array($modifiers))
{
throw new SystemException(sprintf(
'Fetch Data Modification for %s field of %s entity should return array of modifiers (callbacks)',
$this->name, $this->entity->getDataClass()
));
}
foreach ($modifiers as $modifier)
{
$this->appendFetchDataModifier($modifier);
}
}
foreach ($this->additionalFetchDataModifiers as $modifier)
{
$this->appendFetchDataModifier($modifier);
}
}
return $this->fetchDataModifiers;
}
/**
* @param $modifier
*
* @return $this
* @throws SystemException
*/
public function addFetchDataModifier($modifier)
{
// append only when not null. and when is null - delay it
if ($this->fetchDataModifiers === null)
{
$this->additionalFetchDataModifiers[] = $modifier;
}
else
{
$this->appendFetchDataModifier($modifier);
}
return $this;
}
/**
* @param $modifier
*
* @throws SystemException
*/
protected function appendFetchDataModifier($modifier)
{
if (!is_callable($modifier))
{
throw new SystemException(sprintf(
'Modifier of "%s" field of "%s" entity should be a callback',
$this->name, $this->entity->getDataClass()
));
}
$this->fetchDataModifiers[] = $modifier;
}
/**
* @return array|callback[]|null
* @throws SystemException
*/
public function getSaveDataModifiers()
{
if ($this->saveDataModifiers === null)
{
$this->saveDataModifiers = array();
if ($this->saveDataModification !== null)
{
$modifiers = call_user_func($this->saveDataModification);
if (!is_array($modifiers))
{
throw new SystemException(sprintf(
'Save Data Modification for %s field of %s entity should return array of modifiers (callbacks)',
$this->name, $this->entity->getDataClass()
));
}
foreach ($modifiers as $modifier)
{
$this->appendSaveDataModifier($modifier);
}
}
foreach ($this->additionalSaveDataModifiers as $modifier)
{
$this->appendSaveDataModifier($modifier);
}
}
return $this->saveDataModifiers;
}
/**
* @param $modifier
*
* @return $this
* @throws SystemException
*/
public function addSaveDataModifier($modifier)
{
// append only when not null. and when is null - delay it
if ($this->saveDataModifiers === null)
{
$this->additionalSaveDataModifiers[] = $modifier;
}
else
{
$this->appendSaveDataModifier($modifier);
}
return $this;
}
/**
* @param $modifier
*
* @throws SystemException
*/
protected function appendSaveDataModifier($modifier)
{
if (!is_callable($modifier))
{
throw new SystemException(sprintf(
'Save modifier of "%s" field of "%s" entity should be a callback',
$this->name, $this->entity->getDataClass()
));
}
$this->saveDataModifiers[] = $modifier;
}
/**
* @return boolean
*/
public function isSerialized()
{
return !empty($this->isSerialized);
}
/**
* @throws SystemException
*/
public function setSerialized()
{
if (!$this->isSerialized)
{
$this->isSerialized = true;
// add save- and fetch modifiers
$this->addSaveDataModifier(array($this, 'serialize'));
$this->addFetchDataModifier(array($this, 'unserialize'));
}
}
/**
* @deprecated
* @return $this
* @throws SystemException
*/
public function configureSerialized()
{
$this->setSerialized();
return $this;
}
public function getName()
{
return $this->name;
}
public function setName($name)
{
$this->name = $name;
}
/**
* Lang phrase
*
* @param $title
*
* @return $this
*/
public function configureTitle($title)
{
$this->title = $title;
return $this;
}
public function getTitle()
{
if($this->title !== null)
{
return $this->title;
}
if(($title = Loc::getMessage($this->getLangCode())) <> '')
{
return $this->title = $title;
}
return $this->title = $this->name;
}
/**
* @param Field $parentField
*/
public function setParentField(Field $parentField)
{
$this->parentField = $parentField;
}
/**
* @return Field
*/
public function getParentField()
{
return $this->parentField;
}
/**
* @deprecated
* @return null|string
*/
public function getDataType()
{
if (empty($this->dataType))
{
return static::getOldDataTypeByField($this);
}
return $this->dataType;
}
/**
* @deprecated
* @param $class
*
* @return bool
*/
public static function getOldDataTypeByClass($class)
{
$map = array_flip(static::$oldDataTypes);
return isset($map[$class]) ? $map[$class] : 'string';
}
/**
* @deprecated
* @param Field $field
*
* @return bool
*/
public static function getOldDataTypeByField(Field $field)
{
return static::getOldDataTypeByClass(get_class($field));
}
/**
* @deprecated
* @param $dateType
*
* @return bool
*/
public static function getClassByOldDataType($dateType)
{
return isset(static::$oldDataTypes[$dateType]) ? '\\'.static::$oldDataTypes[$dateType] : false;
}
public function getEntity()
{
return $this->entity;
}
public function getLangCode()
{
$entity = $this->getEntity();
if($entity !== null)
{
return $entity->getLangCode().'_'.$this->getName().'_FIELD';
}
return null;
}
/**
* @return \Bitrix\Main\DB\Connection
* @throws SystemException
*/
public function getConnection()
{
if ($this->entity)
{
return $this->entity->getConnection();
}
return Application::getConnection();
}
public function serialize($value)
{
return serialize($value);
}
public function unserialize($value)
{
return unserialize($value);
}
/**
* Called after being initialized by Entity
* @return null
*/
public function postInitialize()
{
return null;
}
}
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