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<?php |
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namespace FOS\ElasticaBundle\Paginator; |
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use Elastica\SearchableInterface; |
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use Elastica\Query; |
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use Elastica\ResultSet; |
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use InvalidArgumentException; |
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/** |
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* Allows pagination of Elastica\Query. Does not map results. |
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*/ |
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class RawPaginatorAdapter implements PaginatorAdapterInterface |
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{ |
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/** |
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* @var SearchableInterface the object to search in |
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*/ |
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private $searchable; |
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/** |
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* @var Query the query to search |
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*/ |
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private $query; |
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/** |
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* @var array search options |
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*/ |
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private $options; |
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/** |
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* @var integer the number of hits |
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*/ |
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private $totalHits; |
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/** |
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* @var array for the aggregations |
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*/ |
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private $aggregations; |
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/** |
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* @see PaginatorAdapterInterface::__construct |
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* |
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* @param SearchableInterface $searchable the object to search in |
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* @param Query $query the query to search |
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* @param array $options |
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*/ |
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public function __construct(SearchableInterface $searchable, Query $query, array $options = array()) |
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{ |
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$this->searchable = $searchable; |
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$this->query = $query; |
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$this->options = $options; |
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} |
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/** |
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* Returns the paginated results. |
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* |
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* @param integer $offset |
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* @param integer $itemCountPerPage |
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* |
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* @throws \InvalidArgumentException |
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* |
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* @return ResultSet |
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*/ |
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protected function getElasticaResults($offset, $itemCountPerPage) |
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{ |
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$offset = (integer) $offset; |
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$itemCountPerPage = (integer) $itemCountPerPage; |
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$size = $this->query->hasParam('size') |
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? (integer) $this->query->getParam('size') |
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: null; |
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if (null !== $size && $size < $offset + $itemCountPerPage) { |
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$itemCountPerPage = $size - $offset; |
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} |
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if ($itemCountPerPage < 1) { |
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throw new InvalidArgumentException('$itemCountPerPage must be greater than zero'); |
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} |
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$query = clone $this->query; |
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$query->setFrom($offset); |
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$query->setSize($itemCountPerPage); |
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$resultSet = $this->searchable->search($query, $this->options); |
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$this->totalHits = $resultSet->getTotalHits(); |
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$this->aggregations = $resultSet->getAggregations(); |
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return $resultSet; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getResults($offset, $itemCountPerPage) |
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{ |
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return new RawPartialResults($this->getElasticaResults($offset, $itemCountPerPage)); |
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} |
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/** |
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* Returns the number of results. |
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* |
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* If genuineTotal is provided as true, total hits is returned from the |
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* hits.total value from the search results instead of just returning |
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* the requested size. |
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* |
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* {@inheritdoc} |
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*/ |
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public function getTotalHits($genuineTotal = false) |
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{ |
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if (! isset($this->totalHits)) { |
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$this->totalHits = $this->searchable->count($this->query); |
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} |
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return $this->query->hasParam('size') && !$genuineTotal |
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? min($this->totalHits, (integer) $this->query->getParam('size')) |
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: $this->totalHits; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getAggregations() |
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{ |
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if (!isset($this->aggregations)) { |
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$this->aggregations = $this->searchable->search($this->query)->getAggregations(); |
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} |
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return $this->aggregations; |
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} |
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/** |
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* Returns the Query. |
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* |
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* @return Query the search query |
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*/ |
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public function getQuery() |
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{ |
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return $this->query; |
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} |
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} |
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FriendsOfSymfony /
FOSElasticaBundle
