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<?php |
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namespace Kaliop\EzFindSearchEngineBundle\Core\Persistence\eZFind\Content\Search\Common\Gateway; |
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use eZ\Publish\API\Repository\Values\Content\Query\FacetBuilder; |
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use eZ\Publish\API\Repository\Values\Content\Search\Facet; |
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use Closure; |
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use ezpKernel; |
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abstract class FacetHandler implements Handler |
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{ |
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/** |
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* @var Closure |
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*/ |
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private $legacyKernel; |
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/** |
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* @param Closure $legacyKernel |
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*/ |
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public function setLegacyKernel(Closure $legacyKernel) |
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{ |
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$this->legacyKernel = $legacyKernel; |
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} |
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/** |
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* Check if this facet handler accepts to handle the given facet builder. |
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* |
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* @param FacetBuilder $facetBuilder |
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* |
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* @return bool |
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*/ |
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abstract public function accept(FacetBuilder $facetBuilder); |
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/** |
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* Map facet builder value to a proper SOLR representation. |
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* |
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* @param FacetBuilder $facetBuilder |
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* |
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* @return array |
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*/ |
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abstract public function handle(FacetBuilder $facetBuilder); |
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/** |
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* Create new facet value based on eZFind facet results. |
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* |
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* @param FacetBuilder $facetBuilder |
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* @param array $fields |
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* @param array $queries |
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* @param array $dates |
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* @param array $ranges |
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* |
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* @return Facet |
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*/ |
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abstract public function createFacetResult(FacetBuilder $facetBuilder, $fields = [], $queries = [], $dates = [], $ranges = []); |
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/** |
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* Get eZ Legacy kernel. |
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* |
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* @return ezpKernel |
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*/ |
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protected function getLegacyKernel() |
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{ |
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$legacyKernelClosure = $this->legacyKernel; |
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return $legacyKernelClosure(); |
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} |
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/** |
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* Build base facet based on FacetBuilder parent class. |
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* |
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* @param FacetBuilder $facetBuilder |
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* |
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* @return array |
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*/ |
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protected function buildFacet(FacetBuilder $facetBuilder) |
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{ |
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$facet = [ |
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'mincount' => $facetBuilder->minCount, |
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'limit' => $facetBuilder->limit, |
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'facet_key' => true, |
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]; |
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return $facet; |
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} |
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/** |
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* Get SOLR field name based on a name which may either be a |
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* meta-data name, or an eZ Publish content class attribute, specified by |
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* <class identifier>/<attribute identifier>[/<option>] |
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* |
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* @param string $baseName |
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* |
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* @return string |
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*/ |
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protected function getSolrFieldName($baseName) |
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{ |
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return $this->getLegacyKernel()->runCallback( |
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function () use ($baseName) { |
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return \eZSolr::getFieldName($baseName, false, 'facet'); |
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}, |
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false |
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); |
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} |
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/** |
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* Get facet key returned by SOLR. |
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* |
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* @param FacetBuilder $facetBuilder |
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* |
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* @return string |
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*/ |
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protected function getFacetKey(FacetBuilder $facetBuilder) |
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{ |
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return md5(json_encode($this->handle($facetBuilder))); |
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} |
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} |
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kaliop-uk /
ezfindsearchenginebundle
