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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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declare(strict_types=1); |
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namespace ONGR\ElasticsearchDSL\Query\Compound; |
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use ONGR\ElasticsearchDSL\BuilderInterface; |
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use ONGR\ElasticsearchDSL\ParametersTrait; |
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/** |
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* Represents Elasticsearch "function_score" query. |
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* |
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* @link https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-function-score-query.html |
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*/ |
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class FunctionScoreQuery implements BuilderInterface |
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{ |
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use ParametersTrait; |
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private array $functions; |
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public function __construct(private ?BuilderInterface $query = null, array $parameters = []) |
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{ |
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$this->setParameters($parameters); |
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} |
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public function getQuery(): ?BuilderInterface |
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{ |
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return $this->query; |
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} |
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public function addFieldValueFactorFunction( |
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string $field, |
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float $factor, |
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string $modifier = 'none', |
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BuilderInterface $query = null, |
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mixed $missing = null |
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): static { |
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$function = [ |
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'field_value_factor' => array_filter( |
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[ |
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'field' => $field, |
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'factor' => $factor, |
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'modifier' => $modifier, |
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'missing' => $missing |
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] |
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), |
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]; |
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$this->applyFilter($function, $query); |
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$this->functions[] = $function; |
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return $this; |
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} |
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private function applyFilter(array &$function, BuilderInterface $query = null): void |
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{ |
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if ($query) { |
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$function['filter'] = $query->toArray(); |
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} |
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} |
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public function addDecayFunction( |
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string $type, |
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string $field, |
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array $function, |
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array $options = [], |
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BuilderInterface $query = null, |
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int $weight = null |
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): static { |
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$function = array_filter( |
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[ |
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$type => array_merge( |
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[$field => $function], |
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$options |
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), |
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'weight' => $weight, |
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] |
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); |
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$this->applyFilter($function, $query); |
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$this->functions[] = $function; |
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return $this; |
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} |
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public function addWeightFunction(float $weight, BuilderInterface $query = null): static |
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{ |
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$function = [ |
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'weight' => $weight, |
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]; |
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$this->applyFilter($function, $query); |
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$this->functions[] = $function; |
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return $this; |
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} |
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public function addRandomFunction(mixed $seed = null, BuilderInterface $query = null): static |
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{ |
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$function = [ |
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'random_score' => $seed ? ['seed' => $seed] : new \stdClass(), |
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]; |
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$this->applyFilter($function, $query); |
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$this->functions[] = $function; |
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return $this; |
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} |
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public function addScriptScoreFunction( |
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string $inline, |
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array $params = [], |
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array $options = [], |
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BuilderInterface $query = null |
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): static { |
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$function = [ |
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'script_score' => [ |
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'script' => |
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array_filter( |
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array_merge( |
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[ |
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'lang' => 'painless', |
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'inline' => $inline, |
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'params' => $params |
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], |
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$options |
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) |
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) |
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], |
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]; |
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$this->applyFilter($function, $query); |
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$this->functions[] = $function; |
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return $this; |
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} |
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public function addSimpleFunction(array $function): static |
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{ |
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$this->functions[] = $function; |
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return $this; |
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} |
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public function toArray(): array |
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{ |
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$query = [ |
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'query' => $this->query->toArray(), |
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'functions' => $this->functions, |
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]; |
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$output = $this->processArray($query); |
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return [$this->getType() => $output]; |
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} |
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public function getType(): string |
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{ |
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return 'function_score'; |
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} |
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} |
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ongr-io /
ElasticsearchDSL
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