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<?php |
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namespace SilverStripe\FullTextSearch\Solr\Writers; |
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use SilverStripe\FullTextSearch\Search\Criteria\SearchCriterion; |
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use SilverStripe\FullTextSearch\Search\Queries\AbstractSearchQueryWriter; |
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/** |
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* Class SolrSearchQueryWriter_In |
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* @package SilverStripe\FullTextSearch\Solr\Writers |
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*/ |
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class SolrSearchQueryWriterIn extends AbstractSearchQueryWriter |
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{ |
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/** |
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* @param SearchCriterion $searchCriterion |
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* @return string |
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*/ |
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public function generateQueryString(SearchCriterion $searchCriterion) |
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{ |
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$qs = $this->getComparisonPolarity($searchCriterion->getComparison()); |
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$qs .= $this->getInComparisonString($searchCriterion); |
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return $qs; |
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} |
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/** |
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* Is this a positive (+) or negative (-) Solr comparison. |
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* |
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* @param string $comparison |
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* @return string |
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*/ |
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protected function getComparisonPolarity($comparison) |
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{ |
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switch ($comparison) { |
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case SearchCriterion::NOT_IN: |
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return '-'; |
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default: |
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return ''; |
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} |
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} |
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/** |
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* @param SearchCriterion $searchCriterion |
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* @return string |
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*/ |
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protected function getInComparisonString(SearchCriterion $searchCriterion) |
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{ |
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$conditions = array(); |
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if (!is_array($searchCriterion->getValue())) { |
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throw new \InvalidArgumentException('Invalid value type for Criterion IN'); |
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} |
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foreach ($searchCriterion->getValue() as $value) { |
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$condition = addslashes($searchCriterion->getTarget()); |
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$condition .= $this->getComparisonConjunction(); |
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if (is_string($value)) { |
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// String values need to be wrapped in quotes and escaped. |
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$condition .= $searchCriterion->getQuoteValue($value); |
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} else { |
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$condition .= $value; |
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} |
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$conditions[] = $condition; |
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} |
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return '(' . implode(' ', $conditions) . ')'; |
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} |
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/** |
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* Decide how we are comparing our left and right values. |
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* |
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* @return string |
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*/ |
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protected function getComparisonConjunction() |
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{ |
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return ':'; |
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} |
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} |
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silverstripe /
silverstripe-fulltextsearch
