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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework\Search\Dynamic\Algorithm;
use Magento\Framework\DB\Ddl\Table;
use Magento\Framework\Search\Adapter\OptionsInterface;
use Magento\Framework\Search\Dynamic\DataProviderInterface;
use Magento\Framework\Search\Dynamic\EntityStorage;
use Magento\Framework\Search\Request\BucketInterface;
class Auto implements AlgorithmInterface
{
/**
* @var DataProviderInterface
*/
private $dataProvider;
/**
* @var OptionsInterface
*/
private $options;
/**
* @param DataProviderInterface $dataProvider
* @param OptionsInterface $options
*/
public function __construct(DataProviderInterface $dataProvider, OptionsInterface $options)
{
$this->dataProvider = $dataProvider;
$this->options = $options;
}
/**
* {@inheritdoc}
*/
public function getItems(
BucketInterface $bucket,
array $dimensions,
EntityStorage $entityStorage
) {
$data = [];
$range = $this->dataProvider->getRange();
if ($entityStorage->getSource()) {
$range = !empty($range) ? $range : $this->getRange($bucket, $dimensions, $entityStorage);
$dbRanges = $this->dataProvider->getAggregation($bucket, $dimensions, $range, $entityStorage);
$data = $this->dataProvider->prepareData($range, $dbRanges);
}
return $data;
}
/**
* @param BucketInterface $bucket
* @param array $dimensions
* @param EntityStorage $entityStorage
* @return number
*/
private function getRange($bucket, array $dimensions, EntityStorage $entityStorage)
{
$maxPrice = $this->getMaxPriceInt($entityStorage);
$index = 1;
do {
$range = pow(10, strlen(floor($maxPrice)) - $index);
$items = $this->dataProvider->getAggregation($bucket, $dimensions, $range, $entityStorage);
$index++;
} while ($range > $this->getMinRangePower() && count($items) < 2);
return $range;
}
/**
* Get maximum price from layer products set
*
* @param EntityStorage $entityStorage
* @return float
*/
private function getMaxPriceInt(EntityStorage $entityStorage)
{
$aggregations = $this->dataProvider->getAggregations($entityStorage);
$maxPrice = $aggregations['max'];
$maxPrice = floor($maxPrice);
return $maxPrice;
}
/**
* @return int
*/
private function getMinRangePower()
{
$options = $this->options->get();
return $options['min_range_power'];
}
}