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<?php |
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namespace SilverStripe\FullTextSearch\Search\Adapters; |
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use SilverStripe\FullTextSearch\Search\Criteria\SearchCriteria; |
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use SilverStripe\FullTextSearch\Search\Criteria\SearchCriterion; |
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use SilverStripe\FullTextSearch\Search\Queries\AbstractSearchQueryWriter; |
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use SilverStripe\FullTextSearch\Solr\Writers\SolrSearchQueryWriterBasic; |
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use SilverStripe\FullTextSearch\Solr\Writers\SolrSearchQueryWriterIn; |
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use SilverStripe\FullTextSearch\Solr\Writers\SolrSearchQueryWriterRange; |
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use InvalidArgumentException; |
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/** |
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* Class SolrSearchAdapter |
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* @package SilverStripe\FullTextSearch\Search\Adapters |
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*/ |
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class SolrSearchAdapter implements SearchAdapterInterface |
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{ |
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/** |
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* @param SearchCriterion $criterion |
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* @return string |
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* @throws InvalidArgumentException |
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*/ |
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public function generateQueryString(SearchCriterion $criterion) |
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{ |
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$writer = $this->getSearchQueryWriter($criterion); |
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return $writer->generateQueryString($criterion); |
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} |
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/** |
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* @param string $conjunction |
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* @return string |
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* @throws InvalidArgumentException |
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*/ |
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public function getConjunctionFor($conjunction) |
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{ |
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switch ($conjunction) { |
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case SearchCriteria::CONJUNCTION_AND: |
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case SearchCriteria::CONJUNCTION_OR: |
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return sprintf(' %s ', $conjunction); |
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default: |
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throw new InvalidArgumentException( |
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sprintf('Invalid conjunction supplied to SolrSearchAdapter: "%s".', $conjunction) |
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); |
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} |
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} |
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/** |
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* @return string |
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*/ |
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public function getPrependToCriteriaComponent() |
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{ |
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return '+'; |
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} |
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/** |
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* @return string |
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*/ |
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public function getAppendToCriteriaComponent() |
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{ |
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return ''; |
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} |
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/** |
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* @return string |
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*/ |
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public function getOpenComparisonContainer() |
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{ |
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return '('; |
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} |
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/** |
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* @return string |
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*/ |
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public function getCloseComparisonContainer() |
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{ |
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return ')'; |
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} |
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/** |
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* @param SearchCriterion $searchCriterion |
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* @return AbstractSearchQueryWriter |
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* @throws InvalidArgumentException |
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*/ |
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protected function getSearchQueryWriter(SearchCriterion $searchCriterion) |
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{ |
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if ($searchCriterion->getSearchQueryWriter() instanceof AbstractSearchQueryWriter) { |
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// The user has defined their own SearchQueryWriter, so we should just return it. |
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return $searchCriterion->getSearchQueryWriter(); |
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} |
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switch ($searchCriterion->getComparison()) { |
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case SearchCriterion::EQUAL: |
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case SearchCriterion::NOT_EQUAL: |
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return SolrSearchQueryWriterBasic::create(); |
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case SearchCriterion::IN: |
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case SearchCriterion::NOT_IN: |
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return SolrSearchQueryWriterIn::create(); |
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case SearchCriterion::GREATER_EQUAL: |
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case SearchCriterion::GREATER_THAN: |
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case SearchCriterion::LESS_EQUAL: |
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case SearchCriterion::LESS_THAN: |
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case SearchCriterion::ISNULL: |
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case SearchCriterion::ISNOTNULL: |
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return SolrSearchQueryWriterRange::create(); |
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case SearchCriterion::CUSTOM: |
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// CUSTOM requires a SearchQueryWriter be provided. One can't have been provided, or it would have been |
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// picked up at the top of the method. |
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throw new InvalidArgumentException('SearchQueryWriter undefined or unsupported in SearchCriterion'); |
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default: |
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throw new InvalidArgumentException('Unsupported comparison type in SolrSearchAdapter'); |
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} |
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} |
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} |
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