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| 1 | <?php |
| 2 | |
| 3 | namespace WikibaseQuality\ConstraintReport; |
| 4 | |
| 5 | use MediaWiki\Logger\LoggerFactory; |
| 6 | use Wikibase\DataModel\Entity\NumericPropertyId; |
| 7 | use Wikimedia\Rdbms\ILoadBalancer; |
| 8 | use Wikimedia\Rdbms\IResultWrapper; |
| 9 | |
| 10 | /** |
| 11 | * @author BP2014N1 |
| 12 | * @license GPL-2.0-or-later |
| 13 | */ |
| 14 | class ConstraintRepositoryLookup implements ConstraintLookup { |
| 15 | |
| 16 | /** @var ILoadBalancer */ |
| 17 | private $lb; |
| 18 | |
| 19 | /** @var string|false */ |
| 20 | private $dbName; |
| 21 | |
| 22 | /** |
| 23 | * @param ILoadBalancer $lb Load balancer for database connections. |
| 24 | * Must match $dbName, i.e. if $dbName is not false, |
| 25 | * then using the main DBLoadBalancer service may be incorrect. |
| 26 | * @param string|false $dbName Database name ($domain for ILoadBalancer methods). |
| 27 | */ |
| 28 | public function __construct( ILoadBalancer $lb, $dbName ) { |
| 29 | $this->lb = $lb; |
| 30 | $this->dbName = $dbName; |
| 31 | } |
| 32 | |
| 33 | /** |
| 34 | * @param NumericPropertyId $propertyId |
| 35 | * |
| 36 | * @return Constraint[] |
| 37 | */ |
| 38 | public function queryConstraintsForProperty( NumericPropertyId $propertyId ) { |
| 39 | $dbr = $this->lb->getConnection( ILoadBalancer::DB_REPLICA, [], $this->dbName ); |
| 40 | |
| 41 | $results = $dbr->newSelectQueryBuilder() |
| 42 | ->select( [ |
| 43 | 'constraint_type_qid', |
| 44 | 'constraint_parameters', |
| 45 | 'constraint_guid', |
| 46 | 'pid', |
| 47 | ] ) |
| 48 | ->from( 'wbqc_constraints' ) |
| 49 | ->where( [ 'pid' => $propertyId->getNumericId() ] ) |
| 50 | ->caller( __METHOD__ ) |
| 51 | ->fetchResultSet(); |
| 52 | |
| 53 | return $this->convertToConstraints( $results ); |
| 54 | } |
| 55 | |
| 56 | /** |
| 57 | * @param IResultWrapper $results |
| 58 | * |
| 59 | * @return Constraint[] |
| 60 | */ |
| 61 | private function convertToConstraints( IResultWrapper $results ) { |
| 62 | $constraints = []; |
| 63 | $logger = LoggerFactory::getInstance( 'WikibaseQualityConstraints' ); |
| 64 | foreach ( $results as $result ) { |
| 65 | $constraintTypeItemId = $result->constraint_type_qid; |
| 66 | $constraintParameters = json_decode( $result->constraint_parameters, true ); |
| 67 | |
| 68 | if ( $constraintParameters === null ) { |
| 69 | // T171295 |
| 70 | $logger->warning( 'Constraint {constraintId} has invalid constraint parameters.', [ |
| 71 | 'method' => __METHOD__, |
| 72 | 'constraintId' => $result->constraint_guid, |
| 73 | 'constraintParameters' => $result->constraint_parameters, |
| 74 | ] ); |
| 75 | $constraintParameters = [ '@error' => [ /* unknown */ ] ]; |
| 76 | } |
| 77 | |
| 78 | $constraints[] = new Constraint( |
| 79 | $result->constraint_guid, |
| 80 | NumericPropertyId::newFromNumber( $result->pid ), |
| 81 | $constraintTypeItemId, |
| 82 | $constraintParameters |
| 83 | ); |
| 84 | } |
| 85 | return $constraints; |
| 86 | } |
| 87 | |
| 88 | } |