|
|
|
|
<?php
|
|
|
|
|
/**
|
|
|
|
|
* CExistValidator class file.
|
|
|
|
|
*
|
|
|
|
|
* @link http://www.yiiframework.com/
|
|
|
|
|
* @copyright Copyright © 2008-2012 Yii Software LLC
|
|
|
|
|
* @license http://www.yiiframework.com/license/
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
namespace yii\validators;
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* CExistValidator validates that the attribute value exists in a table.
|
|
|
|
|
*
|
|
|
|
|
* This validator is often used to verify that a foreign key contains a value
|
|
|
|
|
* that can be found in the foreign table.
|
|
|
|
|
*
|
|
|
|
|
* @author Qiang Xue <qiang.xue@gmail.com>
|
|
|
|
|
* @version $Id: CExistValidator.php 2799 2011-01-01 19:31:13Z qiang.xue $
|
|
|
|
|
* @package system.validators
|
|
|
|
|
* @since 1.0.4
|
|
|
|
|
*/
|
|
|
|
|
class CExistValidator extends CValidator
|
|
|
|
|
{
|
|
|
|
|
/**
|
|
|
|
|
* @var string the ActiveRecord class name that should be used to
|
|
|
|
|
* look for the attribute value being validated. Defaults to null,
|
|
|
|
|
* meaning using the ActiveRecord class of the attribute being validated.
|
|
|
|
|
* You may use path alias to reference a class name here.
|
|
|
|
|
* @see attributeName
|
|
|
|
|
*/
|
|
|
|
|
public $className;
|
|
|
|
|
/**
|
|
|
|
|
* @var string the ActiveRecord class attribute name that should be
|
|
|
|
|
* used to look for the attribute value being validated. Defaults to null,
|
|
|
|
|
* meaning using the name of the attribute being validated.
|
|
|
|
|
* @see className
|
|
|
|
|
*/
|
|
|
|
|
public $attributeName;
|
|
|
|
|
/**
|
|
|
|
|
* @var array additional query criteria. This will be combined with the condition
|
|
|
|
|
* that checks if the attribute value exists in the corresponding table column.
|
|
|
|
|
* This array will be used to instantiate a {@link CDbCriteria} object.
|
|
|
|
|
* @since 1.0.8
|
|
|
|
|
*/
|
|
|
|
|
public $criteria = array();
|
|
|
|
|
/**
|
|
|
|
|
* @var boolean whether the attribute value can be null or empty. Defaults to true,
|
|
|
|
|
* meaning that if the attribute is empty, it is considered valid.
|
|
|
|
|
*/
|
|
|
|
|
public $allowEmpty = true;
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Validates the attribute of the object.
|
|
|
|
|
* If there is any error, the error message is added to the object.
|
|
|
|
|
* @param CModel $object the object being validated
|
|
|
|
|
* @param string $attribute the attribute being validated
|
|
|
|
|
*/
|
|
|
|
|
protected function validateAttribute($object, $attribute)
|
|
|
|
|
{
|
|
|
|
|
$value = $object->$attribute;
|
|
|
|
|
if ($this->allowEmpty && $this->isEmpty($value))
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
$className = $this->className === null ? get_class($object) : Yii::import($this->className);
|
|
|
|
|
$attributeName = $this->attributeName === null ? $attribute : $this->attributeName;
|
|
|
|
|
$finder = CActiveRecord::model($className);
|
|
|
|
|
$table = $finder->getTableSchema();
|
|
|
|
|
if (($column = $table->getColumn($attributeName)) === null)
|
|
|
|
|
throw new CException(Yii::t('yii', 'Table "{table}" does not have a column named "{column}".',
|
|
|
|
|
array('{column}' => $attributeName, '{table}' => $table->name)));
|
|
|
|
|
|
|
|
|
|
$criteria = array('condition' => $column->rawName . '=:vp', 'params' => array(':vp' => $value));
|
|
|
|
|
if ($this->criteria !== array())
|
|
|
|
|
{
|
|
|
|
|
$criteria = new CDbCriteria($criteria);
|
|
|
|
|
$criteria->mergeWith($this->criteria);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (!$finder->exists($criteria))
|
|
|
|
|
{
|
|
|
|
|
$message = $this->message !== null ? $this->message : Yii::t('yii', '{attribute} "{value}" is invalid.');
|
|
|
|
|
$this->addError($object, $attribute, $message, array('{value}' => $value));
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
