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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Analytics\ReportXml;
use Magento\Analytics\ReportXml\DB\SelectBuilderFactory;
use Magento\Framework\App\CacheInterface;
use Magento\Framework\DB\Select;
use Magento\Framework\ObjectManagerInterface;
use Magento\Framework\Serialize\Serializer\Json;
/**
* Creates Query object according to configuration
*
* Factory for @see \Magento\Analytics\ReportXml\Query
*/
class QueryFactory
{
/**
* @var Config
*/
private $config;
/**
* @var SelectBuilderFactory
*/
private $selectBuilderFactory;
/**
* @var DB\Assembler\AssemblerInterface[]
*/
private $assemblers;
/**
* @var CacheInterface
*/
private $queryCache;
/**
* @var ObjectManagerInterface
*/
private $objectManager;
/**
* @var SelectHydrator
*/
private $selectHydrator;
/**
* @var Json
*/
private $jsonSerializer;
/**
* QueryFactory constructor.
*
* @param CacheInterface $queryCache
* @param SelectHydrator $selectHydrator
* @param ObjectManagerInterface $objectManager
* @param SelectBuilderFactory $selectBuilderFactory
* @param Config $config
* @param array $assemblers
* @param Json $jsonSerializer
*/
public function __construct(
CacheInterface $queryCache,
SelectHydrator $selectHydrator,
ObjectManagerInterface $objectManager,
SelectBuilderFactory $selectBuilderFactory,
Config $config,
array $assemblers,
Json $jsonSerializer
) {
$this->config = $config;
$this->selectBuilderFactory = $selectBuilderFactory;
$this->assemblers = $assemblers;
$this->queryCache = $queryCache;
$this->objectManager = $objectManager;
$this->selectHydrator = $selectHydrator;
$this->jsonSerializer = $jsonSerializer;
}
/**
* Returns query connection name according to configuration
*
* @param string $queryConfig
* @return string
*/
private function getQueryConnectionName($queryConfig)
{
$connectionName = 'default';
if (isset($queryConfig['connection'])) {
$connectionName = $queryConfig['connection'];
}
return $connectionName;
}
/**
* Create query according to configuration settings
*
* @param string $queryName
* @return Query
*/
private function constructQuery($queryName)
{
$queryConfig = $this->config->get($queryName);
$selectBuilder = $this->selectBuilderFactory->create();
$selectBuilder->setConnectionName($this->getQueryConnectionName($queryConfig));
foreach ($this->assemblers as $assembler) {
$selectBuilder = $assembler->assemble($selectBuilder, $queryConfig);
}
$select = $selectBuilder->create();
return $this->createQueryObject(
$select,
$selectBuilder->getConnectionName(),
$queryConfig
);
}
/**
* Creates query by name
*
* @param string $queryName
* @return Query
*/
public function create($queryName)
{
$cached = $this->queryCache->load($queryName);
if ($cached) {
$queryData = $this->jsonSerializer->unserialize($cached);
return $this->createQueryObject(
$this->selectHydrator->recreate($queryData['select_parts']),
$queryData['connectionName'],
$queryData['config']
);
}
$query = $this->constructQuery($queryName);
$this->queryCache->save(
$this->jsonSerializer->serialize($query),
$queryName
);
return $query;
}
/**
* Create query class using objectmanger
*
* @param Select $select
* @param string $connection
* @param array $queryConfig
* @return Query
*/
private function createQueryObject(
Select $select,
string $connection,
array $queryConfig
) {
return $this->objectManager->create(
Query::class,
[
'select' => $select,
'selectHydrator' => $this->selectHydrator,
'connectionName' => $connection,
'config' => $queryConfig
]
);
}
}