Your IP : 216.73.216.97
<?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\Algorithm;
use Magento\Framework\Search\Dynamic\DataProviderInterface;
use Magento\Framework\Search\Request\BucketInterface;
class Improved implements AlgorithmInterface
{
/**
* @var Algorithm
*/
private $algorithm;
/**
* @var DataProviderInterface
*/
private $dataProvider;
/**
* @var OptionsInterface
*/
private $options;
/**
* @param DataProviderInterface $dataProvider
* @param Algorithm $algorithm
* @param OptionsInterface $options
*/
public function __construct(
DataProviderInterface $dataProvider,
Algorithm $algorithm,
OptionsInterface $options
) {
$this->algorithm = $algorithm;
$this->dataProvider = $dataProvider;
$this->options = $options;
}
/**
* @inheritdoc
*/
public function getItems(
BucketInterface $bucket,
array $dimensions,
\Magento\Framework\Search\Dynamic\EntityStorage $entityStorage
) {
$aggregations = $this->dataProvider->getAggregations($entityStorage);
$options = $this->options->get();
if ($aggregations['count'] < $options['interval_division_limit']) {
return [];
}
$this->algorithm->setStatistics(
$aggregations['min'],
$aggregations['max'],
$aggregations['std'],
$aggregations['count']
);
$this->algorithm->setLimits($aggregations['min'], $aggregations['max']);
$interval = $this->dataProvider->getInterval($bucket, $dimensions, $entityStorage);
$data = $this->algorithm->calculateSeparators($interval);
$data[0]['from'] = 0;
$dataSize = count($data);
for ($key = 0; $key < $dataSize; $key++) {
if (isset($data[$key + 1])) {
$data[$key]['to'] = $data[$key + 1]['from'];
}
}
return $data;
}
}