meilisearch/Classes/ViewHelpers/Widget/Controller/FrequentlySearchedController.php

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2021-04-17 00:26:33 +02:00
<?php
namespace WapplerSystems\Meilisearch\ViewHelpers\Widget\Controller;
/*
* This file is part of the TYPO3 CMS project.
*
* It is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, either version 2
* of the License, or any later version.
*
* For the full copyright and license information, please read the
* LICENSE.txt file that was distributed with this source code.
*
* The TYPO3 project - inspiring people to share!
*/
use WapplerSystems\Meilisearch\Domain\Search\FrequentSearches\FrequentSearchesService;
use WapplerSystems\Meilisearch\Widget\AbstractWidgetController;
use Psr\Log\LoggerAwareInterface;
use Psr\Log\LoggerAwareTrait;
use TYPO3\CMS\Core\Cache\CacheManager;
use TYPO3\CMS\Core\Cache\Exception\NoSuchCacheException;
use TYPO3\CMS\Core\Cache\Frontend\FrontendInterface;
use TYPO3\CMS\Core\Utility\GeneralUtility;
/**
* Class FrequentlySearchedController
*
* @author Frans Saris <frans@beech.it>
* @author Timo Hund <timo.hund@dkd.de>
*/
class FrequentlySearchedController extends AbstractWidgetController implements LoggerAwareInterface
{
use LoggerAwareTrait;
/**
* Initializes the cache for this command.
*
* @return FrontendInterface|null
*/
protected function getInitializedCache(): ?FrontendInterface
{
$cacheIdentifier = 'tx_meilisearch';
/* @var FrontendInterface $cacheInstance */
try {
$cacheInstance = GeneralUtility::makeInstance(CacheManager::class)->getCache($cacheIdentifier);
} catch (NoSuchCacheException $exception) {
$this->logger->error('Getting cache failed: ' . $exception->getMessage());
return null;
}
return $cacheInstance;
}
/**
* Last searches
*/
public function indexAction()
{
$tsfe = $GLOBALS['TSFE'];
$cache = $this->getInitializedCache();
$configuration = $this->controllerContext->getTypoScriptConfiguration();
/* @var FrequentSearchesService $frequentSearchesService */
$frequentSearchesService = GeneralUtility::makeInstance(
FrequentSearchesService::class,
/** @scrutinizer ignore-type */ $configuration,
/** @scrutinizer ignore-type */ $cache,
/** @scrutinizer ignore-type */ $tsfe
);
$frequentSearches = $frequentSearchesService->getFrequentSearchTerms();
$minimumSize = $configuration->getSearchFrequentSearchesMinSize();
$maximumSize = $configuration->getSearchFrequentSearchesMaxSize();
$this->view->assign(
'contentArguments',
[
'frequentSearches' => $this->enrichFrequentSearchesInfo($frequentSearches, $minimumSize, $maximumSize)
]
);
}
/**
* Enrich the frequentSearches
*
* @param array Frequent search terms as array with terms as keys and hits as the value
* @param int $minimumSize
* @param int $maximumSize
* @return array An array with content for the frequent terms markers
*/
protected function enrichFrequentSearchesInfo(array $frequentSearchTerms, int $minimumSize, int $maximumSize): array
{
$frequentSearches = [];
if (count($frequentSearchTerms)) {
$maximumHits = max(array_values($frequentSearchTerms));
$minimumHits = min(array_values($frequentSearchTerms));
$spread = $maximumHits - $minimumHits;
$step = ($spread == 0) ? 1 : ($maximumSize - $minimumSize) / $spread;
foreach ($frequentSearchTerms as $term => $hits) {
$size = round($minimumSize + (($hits - $minimumHits) * $step));
$frequentSearches[] = [
'q' => htmlspecialchars_decode($term),
'hits' => $hits,
'style' => 'font-size: ' . $size . 'px', 'class' => 'tx-solr-frequent-term-' . $size,
'size' => $size
];
}
}
return $frequentSearches;
}
}