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<?php |
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/* |
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* This file is part of the ONGR package. |
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* |
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* (c) NFQ Technologies UAB <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace ONGR\FilterManagerBundle\Filter\Widget\Search; |
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use ONGR\ElasticsearchDSL\Query\BoolQuery; |
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use ONGR\ElasticsearchDSL\Query\FuzzyQuery; |
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use ONGR\ElasticsearchDSL\Search; |
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use ONGR\FilterManagerBundle\Filter\FilterState; |
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use ONGR\FilterManagerBundle\Search\SearchRequest; |
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/** |
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* This class runs match search. |
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*/ |
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class FuzzySearch extends AbstractSingleValue |
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{ |
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/** |
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* @var array Fuzzy query parameters. |
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*/ |
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private $parameters = []; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function modifySearch(Search $search, FilterState $state = null, SearchRequest $request = null) |
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{ |
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if ($state && $state->isActive()) { |
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if (strpos($this->getField(), ',') !== false) { |
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$subQuery = new BoolQuery(); |
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foreach (explode(',', $this->getField()) as $field) { |
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$subQuery->add(new FuzzyQuery($field, $state->getValue(), $this->getParameters()), 'should'); |
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} |
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$search->addQuery($subQuery, 'must'); |
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} else { |
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$search->addQuery( |
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new FuzzyQuery($this->getField(), $state->getValue(), $this->getParameters()), |
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'must' |
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); |
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} |
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} |
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} |
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/** |
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* @return array |
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*/ |
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public function getParameters() |
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{ |
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return array_filter($this->parameters); |
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} |
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/** |
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* The maximum edit distance. |
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* |
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* @param string|int|float $fuzziness |
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*/ |
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public function setFuzziness($fuzziness) |
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{ |
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$this->parameters['fuzziness'] = $fuzziness; |
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} |
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/** |
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* The number of initial characters which will not be “fuzzified”. |
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* |
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* @param int $prefixLength |
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*/ |
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public function setPrefixLength($prefixLength) |
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{ |
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$this->parameters['prefix_length'] = $prefixLength; |
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} |
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/** |
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* The maximum number of terms that the fuzzy query will expand to. |
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* |
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* @param int $maxExpansions |
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*/ |
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public function setMaxExpansions($maxExpansions) |
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{ |
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$this->parameters['max_expansions'] = $maxExpansions; |
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} |
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} |
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ongr-io /
FilterManagerBundle
