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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Ui\Component\Filters;
use Magento\Framework\View\Element\UiComponent\DataProvider\DataProviderInterface;
use Magento\Framework\App\RequestInterface;
use Magento\Framework\Api\FilterBuilder;
/**
* Apply modifiers to filter
*/
class FilterModifier
{
/**
* Filter modifier variable name
*/
const FILTER_MODIFIER = 'filters_modifier';
/**
* @var \Magento\Framework\App\RequestInterface
*/
protected $request;
/**
* @var \Magento\Framework\Api\FilterBuilder
*/
protected $filterBuilder;
/**
* @var array
*/
protected $allowedConditionTypes;
/**
* @param RequestInterface $request
* @param FilterBuilder $filterBuilder
* @param array $allowedConditionTypes
*/
public function __construct(RequestInterface $request, FilterBuilder $filterBuilder, $allowedConditionTypes = [])
{
$this->request = $request;
$this->filterBuilder = $filterBuilder;
$this->allowedConditionTypes = array_merge(
['eq', 'neq', 'in', 'nin', 'null', 'notnull'],
$allowedConditionTypes
);
}
/**
* Apply modifiers for filters
*
* @param DataProviderInterface $dataProvider
* @param string $filterName
* @return void
* @throws \Magento\Framework\Exception\LocalizedException
*/
public function applyFilterModifier(DataProviderInterface $dataProvider, $filterName)
{
$filterModifier = $this->request->getParam(self::FILTER_MODIFIER);
if (isset($filterModifier[$filterName]['condition_type'])) {
$conditionType = $filterModifier[$filterName]['condition_type'];
if (!in_array($conditionType, $this->allowedConditionTypes)) {
throw new \Magento\Framework\Exception\LocalizedException(
__('Condition type "%1" is not allowed', $conditionType)
);
}
$value = isset($filterModifier[$filterName]['value'])
? $filterModifier[$filterName]['value']
: null;
$filter = $this->filterBuilder->setConditionType($conditionType)
->setField($filterName)
->setValue($value)
->create();
$dataProvider->addFilter($filter);
}
}
}