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| 1 | <?php |
| 2 | |
| 3 | namespace CirrusSearch\Search\Rescore; |
| 4 | |
| 5 | use CirrusSearch\SearchConfig; |
| 6 | |
| 7 | /** |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License along |
| 19 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 20 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 21 | * http://www.gnu.org/copyleft/gpl.html |
| 22 | */ |
| 23 | |
| 24 | abstract class FunctionScoreBuilder implements BoostFunctionBuilder { |
| 25 | /** |
| 26 | * @var SearchConfig |
| 27 | */ |
| 28 | protected $config; |
| 29 | |
| 30 | /** |
| 31 | * @var float global weight of this function score builder |
| 32 | */ |
| 33 | protected $weight; |
| 34 | |
| 35 | /** |
| 36 | * @param SearchConfig $config the search config |
| 37 | * @param float $weight the global weight |
| 38 | */ |
| 39 | public function __construct( $config, $weight ) { |
| 40 | $this->config = $config; |
| 41 | $this->weight = $this->getOverriddenFactor( $weight ); |
| 42 | } |
| 43 | |
| 44 | /** |
| 45 | * Utility method to extract a factor (float) that can |
| 46 | * be overridden by a config value or an URI param |
| 47 | * |
| 48 | * @param float|array $value |
| 49 | * @return float |
| 50 | */ |
| 51 | protected function getOverriddenFactor( $value ) { |
| 52 | if ( is_array( $value ) ) { |
| 53 | $returnValue = (float)$value['value']; |
| 54 | |
| 55 | if ( isset( $value['config_override'] ) ) { |
| 56 | // Override factor with config |
| 57 | $fromConfig = $this->config->get( $value['config_override'] ); |
| 58 | if ( $fromConfig !== null ) { |
| 59 | $returnValue = (float)$fromConfig; |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | if ( isset( $value['uri_param_override'] ) ) { |
| 64 | // Override factor with uri param |
| 65 | $uriParam = $value['uri_param_override']; |
| 66 | $request = \RequestContext::getMain()->getRequest(); |
| 67 | if ( $request ) { |
| 68 | $fromUri = $request->getVal( $uriParam ); |
| 69 | if ( $fromUri !== null && is_numeric( $fromUri ) ) { |
| 70 | $returnValue = (float)$fromUri; |
| 71 | } |
| 72 | } |
| 73 | } |
| 74 | return $returnValue; |
| 75 | } else { |
| 76 | return (float)$value; |
| 77 | } |
| 78 | } |
| 79 | } |