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| 1 | <?php |
| 2 | /** |
| 3 | * @license GPL-2.0-or-later |
| 4 | */ |
| 5 | |
| 6 | namespace CirrusSearch\Search\Rescore; |
| 7 | |
| 8 | use CirrusSearch\SearchConfig; |
| 9 | use MediaWiki\Context\RequestContext; |
| 10 | |
| 11 | abstract class FunctionScoreBuilder implements BoostFunctionBuilder { |
| 12 | /** |
| 13 | * @var SearchConfig |
| 14 | */ |
| 15 | protected $config; |
| 16 | |
| 17 | /** |
| 18 | * @var float global weight of this function score builder |
| 19 | */ |
| 20 | protected $weight; |
| 21 | |
| 22 | /** |
| 23 | * @param SearchConfig $config the search config |
| 24 | * @param float|array $weight the global weight |
| 25 | */ |
| 26 | public function __construct( $config, $weight ) { |
| 27 | $this->config = $config; |
| 28 | $this->weight = $this->getOverriddenFactor( $weight ); |
| 29 | } |
| 30 | |
| 31 | /** |
| 32 | * Utility method to extract a factor (float) that can |
| 33 | * be overridden by a config value or an URI param |
| 34 | * |
| 35 | * @param float|array{value:float,config_override:string,uri_param_override:string} $value |
| 36 | * @return float |
| 37 | */ |
| 38 | protected function getOverriddenFactor( $value ) { |
| 39 | if ( is_array( $value ) ) { |
| 40 | $returnValue = (float)$value['value']; |
| 41 | |
| 42 | if ( isset( $value['config_override'] ) ) { |
| 43 | // Override factor with config |
| 44 | $fromConfig = $this->config->get( $value['config_override'] ); |
| 45 | if ( $fromConfig !== null ) { |
| 46 | $returnValue = (float)$fromConfig; |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | if ( isset( $value['uri_param_override'] ) ) { |
| 51 | // Override factor with uri param |
| 52 | $uriParam = $value['uri_param_override']; |
| 53 | $fromUri = RequestContext::getMain()->getRequest()->getVal( $uriParam ); |
| 54 | if ( is_numeric( $fromUri ) ) { |
| 55 | $returnValue = (float)$fromUri; |
| 56 | } |
| 57 | } |
| 58 | return $returnValue; |
| 59 | } else { |
| 60 | return (float)$value; |
| 61 | } |
| 62 | } |
| 63 | } |