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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Eav\Model\Validator\Attribute;
/**
* Validation EAV entity via EAV attributes' backend models
*
* @author Magento Core Team <core@magentocommerce.com>
*/
class Backend extends \Magento\Framework\Validator\AbstractValidator
{
/**
* Returns true if and only if $value meets the validation requirements.
*
* @param \Magento\Framework\Model\AbstractModel $entity
* @return bool
* @throws \InvalidArgumentException
*/
public function isValid($entity)
{
$this->_messages = [];
if (!$entity instanceof \Magento\Framework\Model\AbstractModel) {
throw new \InvalidArgumentException('Model must be extended from \Magento\Framework\Model\AbstractModel');
}
/** @var \Magento\Eav\Model\Entity\AbstractEntity $resource */
$resource = $entity->getResource();
if (!$resource instanceof \Magento\Eav\Model\Entity\AbstractEntity) {
throw new \InvalidArgumentException(
'Model resource must be extended from \Magento\Eav\Model\Entity\AbstractEntity'
);
}
$resource->loadAllAttributes($entity);
$attributes = $resource->getAttributesByCode();
/** @var \Magento\Eav\Model\Entity\Attribute $attribute */
foreach ($attributes as $attribute) {
$backend = $attribute->getBackend();
if (!method_exists($backend, 'validate') || !is_callable([$backend, 'validate'])) {
continue;
}
try {
$result = $backend->validate($entity);
if (false === $result) {
$this->_messages[$attribute->getAttributeCode()][] = __(
'The value of attribute "%1" is invalid.',
$attribute->getAttributeCode()
);
} elseif (is_string($result)) {
$this->_messages[$attribute->getAttributeCode()][] = $result;
}
} catch (\Magento\Framework\Exception\LocalizedException $e) {
$this->_messages[$attribute->getAttributeCode()][] = $e->getMessage();
}
}
return 0 == count($this->_messages);
}
}