search_core/Classes/Connection/Elasticsearch/Facet.php

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<?php
namespace Codappix\SearchCore\Connection\Elasticsearch;
/*
* Copyright (C) 2017 Daniel Siepmann <coding@daniel-siepmann.de>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
use Codappix\SearchCore\Configuration\ConfigurationContainerInterface;
use Codappix\SearchCore\Connection\FacetInterface;
class Facet implements FacetInterface
{
/**
* @var string
*/
protected $name = '';
/**
* @var string
*/
protected $field = '';
/**
* @var array
*/
protected $buckets = [];
/**
* @var array<FacetOption>
*/
protected $options = [];
public function __construct(string $name, array $aggregation, ConfigurationContainerInterface $configuration)
{
$this->name = $name;
$this->buckets = $aggregation['buckets'];
$config = $configuration->getIfExists('searching.facets.' . $this->name) ?: [];
foreach ($config as $configEntry) {
if (isset($configEntry['field'])) {
$this->field = $configEntry['field'];
break;
}
}
}
public function getName() : string
{
return $this->name;
}
public function getField() : string
{
return $this->field;
}
/**
* Returns all possible options for this facet.
*
* @return array<FacetOptionInterface>
*/
public function getOptions() : array
{
$this->initOptions();
return $this->options;
}
protected function initOptions()
{
if ($this->options !== []) {
return;
}
foreach ($this->buckets as $bucket) {
$this->options[$bucket['key']] = new FacetOption($bucket);
}
}
}