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<?php |
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namespace Maslosoft\Manganel\Adapters\Finder; |
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use Maslosoft\Mangan\Interfaces\Adapters\FinderAdapterInterface; |
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use Maslosoft\Mangan\Interfaces\CriteriaInterface; |
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use Maslosoft\Mangan\Interfaces\ModelAwareInterface; |
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use Maslosoft\Manganel\QueryBuilder; |
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use Maslosoft\Manganel\SearchCriteria; |
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/** |
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* ElasticSearchAdapter |
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* |
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* @author Piotr Maselkowski <pmaselkowski at gmail.com> |
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*/ |
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class ElasticSearchAdapter implements FinderAdapterInterface |
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{ |
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/** |
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* |
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* @var QueryBuilder |
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*/ |
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private $qb = null; |
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private $models = []; |
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public function __construct($models) |
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{ |
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$this->qb = new QueryBuilder(); |
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$this->qb->setModels($models); |
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$this->models = $models; |
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} |
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public function count(CriteriaInterface $criteria) |
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{ |
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$this->ensure($criteria); |
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return $this->qb->setCriteria($criteria)->count(); |
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} |
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public function findMany(CriteriaInterface $criteria, $fields = array()) |
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{ |
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$this->prepare($criteria, $fields); |
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return new ElasticSearchCursor($this->qb); |
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} |
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public function findOne(CriteriaInterface $criteria, $fields = array()) |
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{ |
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$this->prepare($criteria, $fields); |
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$data = (new ElasticSearchCursor($this->qb))->current(); |
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if (false === $data) |
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{ |
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return null; |
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} |
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return $data; |
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} |
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/** |
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* |
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* @internal Used for debugging purposes, should not be used for any manipulations! |
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* @return QueryBuilder |
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*/ |
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public function getQueryBuilder() |
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{ |
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return $this->qb; |
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} |
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private function prepare(CriteriaInterface $criteria, $fields) |
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{ |
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$this->ensure($criteria); |
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assert($criteria instanceof SearchCriteria); |
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$this->qb->setCriteria($criteria); |
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if (!empty($fields)) |
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{ |
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$selected = array_flip($fields); |
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foreach ($selected as $index => $value) |
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{ |
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$selected[$index] = true; |
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} |
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$this->qb->getCriteria()->select($fields); |
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} |
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} |
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private function ensure(&$criteria) |
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{ |
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if (!$criteria instanceof SearchCriteria) |
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{ |
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$criteria = new SearchCriteria($criteria); |
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} |
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$criteria->setModels($this->models); |
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} |
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} |
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Maslosoft /
Manganel
