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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);
namespace Magento\Framework\View\Element\UiComponent\DataProvider;
use Magento\Framework\Data\Collection;
use Magento\Framework\Api\Search\SearchCriteriaInterface;
use Magento\Framework\Data\Collection\AbstractDb;
use Magento\Framework\DB\Select;
/**
* Filter poll apply filters from search criteria
*
* @api
* @since 100.0.2
*/
class FilterPool
{
/**
* @var FilterApplierInterface[]
*/
protected $appliers;
/**
* @param FilterApplierInterface[] $appliers
*/
public function __construct(array $appliers = [])
{
$this->appliers = $appliers;
}
/**
* Apply filters from search criteria
*
* @param Collection|AbstractDb $collection
* @param SearchCriteriaInterface $criteria
* @return void
*/
public function applyFilters(Collection $collection, SearchCriteriaInterface $criteria)
{
$groupedParts = $collection->getSelect()->getPart(Select::WHERE);
foreach ($criteria->getFilterGroups() as $filterGroup) {
$filterParts = [];
foreach ($filterGroup->getFilters() as $filter) {
$filterApplier = $this->appliers[$filter->getConditionType()] ?? $this->appliers['regular'];
$filterApplier->apply($collection, $filter);
$whereParts = $collection->getSelect()->getPart(Select::WHERE);
if (is_array($whereParts) && count($whereParts)) {
$appliedParts = array_diff($whereParts, $groupedParts);
foreach ($appliedParts as $part) {
$filterParts[] = $this->preparePart($part);
}
}
$collection->getSelect()->reset(Select::WHERE);
$collection->getSelect()->setPart(Select::WHERE, $groupedParts);
}
if (count($filterParts)) {
$resultCondition = '((' . implode(') ' . Select::SQL_OR . ' (', $filterParts) . '))';
$groupedParts[] = (count($groupedParts) ? Select::SQL_AND : '') . ' ' . $resultCondition;
$collection->getSelect()->setPart(Select::WHERE, $groupedParts);
}
}
if (count($groupedParts)) {
$collection->getSelect()->setPart(Select::WHERE, $groupedParts);
}
}
/**
* Remove were join condition in the beginning of applied filter
*
* @param string $part
* @return string
*/
private function preparePart(string $part): string
{
return preg_replace('/^(' . Select::SQL_OR . '|' . Select::SQL_AND . ')\s+/i', '', trim($part), 1);
}
}