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| 1 | <?php |
| 2 | /** |
| 3 | * This program is free software: you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License as published by |
| 5 | * the Free Software Foundation, either version 3 of the License, or |
| 6 | * (at your option) any later version. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License |
| 14 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 15 | */ |
| 16 | |
| 17 | namespace ORES; |
| 18 | |
| 19 | use Psr\Log\LoggerInterface; |
| 20 | |
| 21 | class ThresholdParser { |
| 22 | |
| 23 | /** |
| 24 | * @var LoggerInterface |
| 25 | */ |
| 26 | private $logger; |
| 27 | |
| 28 | public function __construct( LoggerInterface $logger ) { |
| 29 | $this->logger = $logger; |
| 30 | } |
| 31 | |
| 32 | public function parseThresholds( array $statsData, $model ) { |
| 33 | $thresholds = []; |
| 34 | foreach ( $this->getFiltersConfig( $model ) as $levelName => $config ) { |
| 35 | if ( $config === false ) { |
| 36 | // level is disabled |
| 37 | continue; |
| 38 | } |
| 39 | |
| 40 | $min = $this->extractBoundValue( 'min', $config['min'], $statsData ); |
| 41 | |
| 42 | $max = $this->extractBoundValue( 'max', $config['max'], $statsData ); |
| 43 | |
| 44 | if ( $max === null || $min === null ) { |
| 45 | $data = [ |
| 46 | 'levelName' => $levelName, |
| 47 | 'levelConfig' => $config, |
| 48 | 'max' => $max, |
| 49 | 'min' => $min, |
| 50 | 'statsData' => $statsData, |
| 51 | ]; |
| 52 | $this->logger->error( 'Unable to parse threshold: ' . json_encode( $data ) ); |
| 53 | continue; |
| 54 | } |
| 55 | |
| 56 | if ( is_numeric( $min ) && is_numeric( $max ) ) { |
| 57 | $thresholds[$levelName] = [ |
| 58 | 'min' => $min, |
| 59 | 'max' => $max, |
| 60 | ]; |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | return $thresholds; |
| 65 | } |
| 66 | |
| 67 | /** |
| 68 | * @param string $model |
| 69 | * |
| 70 | * @return (array|bool)[]|false |
| 71 | */ |
| 72 | public function getFiltersConfig( $model ) { |
| 73 | global $wgOresFiltersThresholds; |
| 74 | if ( !isset( $wgOresFiltersThresholds[$model] ) ) { |
| 75 | return false; |
| 76 | } |
| 77 | $config = $wgOresFiltersThresholds[$model]; |
| 78 | return $config; |
| 79 | } |
| 80 | |
| 81 | private function extractBoundValue( $bound, $config, array $statsData ) { |
| 82 | if ( is_numeric( $config ) ) { |
| 83 | return $config; |
| 84 | } |
| 85 | |
| 86 | $stat = $config; |
| 87 | if ( !isset( $statsData['false'] ) || !isset( $statsData['true'] ) ) { |
| 88 | return null; |
| 89 | } |
| 90 | |
| 91 | if ( !isset( $statsData['false'][$stat] ) && !isset( $statsData['true'][$stat] ) ) { |
| 92 | return null; |
| 93 | } |
| 94 | |
| 95 | if ( $bound === 'max' && $statsData['false'][$stat] === null ) { |
| 96 | return null; |
| 97 | } elseif ( $bound === 'max' && isset( $statsData['false'][$stat]['threshold'] ) ) { |
| 98 | $threshold = $statsData['false'][$stat]['threshold']; |
| 99 | $threshold = 1 - $threshold; |
| 100 | |
| 101 | return $threshold; |
| 102 | } elseif ( isset( $statsData['true'][$stat]['threshold'] ) ) { |
| 103 | $threshold = $statsData['true'][$stat]['threshold']; |
| 104 | |
| 105 | return $threshold; |
| 106 | } |
| 107 | |
| 108 | return null; |
| 109 | } |
| 110 | |
| 111 | } |