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<?php namespace Nord\Lumen\Elasticsearch\Pagerfanta\Adapter; |
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use Nord\Lumen\Elasticsearch\Contracts\ElasticsearchServiceContract; |
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use Nord\Lumen\Elasticsearch\Search\Search; |
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use Pagerfanta\Adapter\AdapterInterface; |
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class ElasticsearchAdapter implements AdapterInterface |
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{ |
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/** |
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* @var ElasticsearchServiceContract |
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*/ |
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private $elasticsearch; |
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/** |
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* @var Search |
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*/ |
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private $search; |
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/** |
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* @var array |
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*/ |
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private $result; |
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/** |
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* @param ElasticsearchServiceContract $elasticsearch |
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* @param Search $search |
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*/ |
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public function __construct(ElasticsearchServiceContract $elasticsearch, Search $search) |
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{ |
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$this->elasticsearch = $elasticsearch; |
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$this->search = $search; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function getNbResults() |
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{ |
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$result = $this->getResult(); |
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return $result['hits']['total'] ?? 0; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function getSlice($offset, $length) |
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{ |
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$result = $this->getResult($offset, $length); |
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return $result['hits']['hits'] ?? []; |
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} |
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/** |
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* @param int|null $offset |
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* @param int|null $length |
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* @return array |
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*/ |
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public function getResult($offset = null, $length = null) |
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{ |
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if (null !== $offset && null !== $length) { |
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$page = ($offset / $length) + 1; |
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$size = $length; |
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if ($page !== $this->search->getPage() || $size !== $this->search->getSize()) { |
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$this->result = null; |
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$this->search->setPage($page) |
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->setSize($size); |
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} |
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} |
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if (empty($this->result)) { |
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$this->result = $this->elasticsearch->execute($this->search); |
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} |
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return $this->result; |
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} |
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/** |
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* @return array |
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*/ |
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public function getAggregations() |
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{ |
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$result = $this->getResult(); |
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return $result['aggregations'] ?? []; |
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} |
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} |
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digiaonline /
lumen-elasticsearch
