ds-site/Classes/Frontend/DataProcessing/CategoriesCounts.php

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<?php
declare(strict_types=1);
/*
* Copyright (C) 2020 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.
*/
namespace DanielSiepmann\DsSite\Frontend\DataProcessing;
use TYPO3\CMS\Core\Database\Query\QueryBuilder;
use TYPO3\CMS\Core\Database\Query\QueryHelper;
use TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer;
use TYPO3\CMS\Frontend\ContentObject\DataProcessorInterface;
class CategoriesCounts implements DataProcessorInterface
{
/**
* @var QueryBuilder
*/
private $queryBuilder;
public function __construct(QueryBuilder $queryBuilder)
{
$this->queryBuilder = $queryBuilder;
}
public function process(
ContentObjectRenderer $cObj,
array $contentObjectConfiguration,
array $processorConfiguration,
array $processedData
) {
$as = $cObj->stdWrapValue('as', $processorConfiguration, 'categories');
$parent = $cObj->stdWrapValue('parent', $processorConfiguration, '');
$orderBy = $cObj->stdWrapValue('orderBy', $processorConfiguration, 'count desc');
if ($parent === '') {
throw new \InvalidArgumentException('No "parent" given.', 1600988668);
}
$processedData[$as] = $this->getCategoriesCount(
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(int) $parent,
(string) $orderBy
);
return $processedData;
}
private function getCategoriesCount(
int $parentId,
string $orderBy
): array {
$queryBuilder = clone $this->queryBuilder;
$queryBuilder->select('category.*');
$queryBuilder->addSelectLiteral('count(mm.uid_foreign) as count');
$queryBuilder->from('pages');
$queryBuilder->leftJoin(
'pages',
'sys_category_record_mm',
'mm',
'pages.uid = mm.uid_foreign',
);
$queryBuilder->leftJoin(
'mm',
'sys_category',
'category',
'mm.uid_local = category.uid',
);
$queryBuilder->where(
$queryBuilder->expr()->eq(
'category.parent',
$queryBuilder->createNamedParameter($parentId)
)
);
$queryBuilder->groupBy('category.uid');
foreach (QueryHelper::parseOrderBy($orderBy) as $orderBy) {
$queryBuilder->addOrderBy($orderBy[0], $orderBy[1]);
}
$statement = $queryBuilder->execute();
$categories = [];
while ($category = $statement->fetch()) {
$categories[] = [
'data' => $category,
];
}
return $categories;
}
}