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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\Storage; |
| 18 | |
| 19 | use InvalidArgumentException; |
| 20 | use Wikimedia\Rdbms\IConnectionProvider; |
| 21 | |
| 22 | class SqlModelLookup implements ModelLookup { |
| 23 | |
| 24 | private IConnectionProvider $dbProvider; |
| 25 | |
| 26 | /** @var array|null */ |
| 27 | private $modelData = null; |
| 28 | |
| 29 | public function __construct( IConnectionProvider $dbProvider ) { |
| 30 | $this->dbProvider = $dbProvider; |
| 31 | } |
| 32 | |
| 33 | /** |
| 34 | * @see ModelLookup::getModelId() |
| 35 | * @param string $model |
| 36 | * |
| 37 | * @throws InvalidArgumentException |
| 38 | * @return int |
| 39 | */ |
| 40 | public function getModelId( $model ) { |
| 41 | $modelData = $this->getModelData(); |
| 42 | if ( !array_key_exists( $model, $modelData ) ) { |
| 43 | throw new InvalidArgumentException( "No model available for [{$model}]" ); |
| 44 | } |
| 45 | |
| 46 | return $modelData[$model]['id']; |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * @see ModelLookup::getModelVersion() |
| 51 | * @param string $model |
| 52 | * |
| 53 | * @throws InvalidArgumentException |
| 54 | * @return string |
| 55 | */ |
| 56 | public function getModelVersion( $model ) { |
| 57 | $modelData = $this->getModelData(); |
| 58 | if ( !array_key_exists( $model, $modelData ) ) { |
| 59 | throw new InvalidArgumentException( "No model available for [{$model}]" ); |
| 60 | } |
| 61 | |
| 62 | return $modelData[$model]['version']; |
| 63 | } |
| 64 | |
| 65 | /** |
| 66 | * @see ModelLookup::getModels() |
| 67 | * |
| 68 | * @return array[] |
| 69 | */ |
| 70 | public function getModels() { |
| 71 | return $this->getModelData(); |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * @return array[] |
| 76 | */ |
| 77 | private function getModelData() { |
| 78 | // Don't cache when result is empty (T184938) |
| 79 | if ( $this->modelData === null || $this->modelData === [] ) { |
| 80 | $this->modelData = []; |
| 81 | $result = $this->dbProvider->getReplicaDatabase()->newSelectQueryBuilder() |
| 82 | ->select( [ 'oresm_id', 'oresm_name', 'oresm_version' ] ) |
| 83 | ->from( 'ores_model' ) |
| 84 | ->where( [ 'oresm_is_current' => 1 ] ) |
| 85 | ->orderBy( 'oresm_name' ) |
| 86 | ->caller( __METHOD__ ) |
| 87 | ->fetchResultSet(); |
| 88 | foreach ( $result as $row ) { |
| 89 | $this->modelData[$row->oresm_name] = [ |
| 90 | 'id' => (int)$row->oresm_id, |
| 91 | 'version' => $row->oresm_version |
| 92 | ]; |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | return $this->modelData; |
| 97 | } |
| 98 | |
| 99 | } |