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<?php |
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namespace WikibaseQuality\ConstraintReport; |
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use InvalidArgumentException; |
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use MediaWiki\Logger\LoggerFactory; |
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use MediaWiki\MediaWikiServices; |
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use Wikimedia\Rdbms\DBUnexpectedError; |
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use Wikimedia\Rdbms\IResultWrapper; |
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use Wikimedia\Rdbms\LikeMatch; |
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use Wikibase\DataModel\Entity\PropertyId; |
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/** |
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* @author BP2014N1 |
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* @license GPL-2.0-or-later |
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*/ |
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class ConstraintRepository implements ConstraintLookup { |
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/** |
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* @param PropertyId $propertyId |
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* |
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* @return Constraint[] |
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*/ |
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public function queryConstraintsForProperty( PropertyId $propertyId ) { |
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$db = wfGetDB( DB_REPLICA ); |
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$results = $db->select( |
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'wbqc_constraints', |
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'*', |
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[ 'pid' => $propertyId->getNumericId() ] |
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); |
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return $this->convertToConstraints( $results ); |
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} |
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private function encodeConstraintParameters( array $constraintParameters ) { |
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$json = json_encode( $constraintParameters, JSON_FORCE_OBJECT ); |
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if ( strlen( $json ) > 50000 ) { |
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$json = json_encode( [ '@error' => [ 'toolong' => true ] ] ); |
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} |
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return $json; |
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} |
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/** |
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* @param Constraint[] $constraints |
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* |
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* @throws DBUnexpectedError |
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* @return bool |
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*/ |
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public function insertBatch( array $constraints ) { |
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$accumulator = array_map( |
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function ( Constraint $constraint ) { |
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return [ |
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'constraint_guid' => $constraint->getConstraintId(), |
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'pid' => $constraint->getPropertyId()->getNumericId(), |
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'constraint_type_qid' => $constraint->getConstraintTypeItemId(), |
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'constraint_parameters' => $this->encodeConstraintParameters( $constraint->getConstraintParameters() ) |
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]; |
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}, |
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$constraints |
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); |
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$db = wfGetDB( DB_MASTER ); |
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return $db->insert( 'wbqc_constraints', $accumulator ); |
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} |
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/** |
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* @param LikeMatch $any should be IDatabase::anyChar() |
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* |
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* @return string[] |
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*/ |
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private function uuidPattern( LikeMatch $any ) { |
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return array_merge( |
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array_fill( 0, 8, $any ), [ '-' ], |
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array_fill( 0, 4, $any ), [ '-' ], |
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array_fill( 0, 4, $any ), [ '-' ], |
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array_fill( 0, 4, $any ), [ '-' ], |
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array_fill( 0, 12, $any ) |
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); |
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} |
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/** |
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* Delete all constraints for the property ID where the constraint ID is a statement ID |
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* (an entity ID, a '$' separator, and a UUID). |
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* |
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* @param PropertyId $propertyId |
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* |
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* @throws DBUnexpectedError |
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*/ |
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public function deleteForPropertyWhereConstraintIdIsStatementId( PropertyId $propertyId ) { |
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$db = wfGetDB( DB_MASTER ); |
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$db->delete( |
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'wbqc_constraints', |
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[ |
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'pid' => $propertyId->getNumericId(), |
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// AND constraint_guid LIKE %$________-____-____-____-____________ |
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'constraint_guid ' . $db->buildLike( array_merge( [ $db->anyString(), '$' ], $this->uuidPattern( $db->anyChar() ) ) ) |
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] |
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); |
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} |
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/** |
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* @param int $batchSize |
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* |
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* @throws InvalidArgumentException |
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* @throws DBUnexpectedError |
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*/ |
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public function deleteAll( $batchSize = 1000 ) { |
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if ( !is_int( $batchSize ) ) { |
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throw new InvalidArgumentException(); |
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} |
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$lbFactory = MediaWikiServices::getInstance()->getDBLoadBalancerFactory(); |
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$db = $lbFactory->getMainLB()->getConnection( DB_MASTER ); |
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if ( $db->getType() === 'sqlite' ) { |
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$db->delete( 'wbqc_constraints', '*' ); |
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} else { |
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do { |
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$db->commit( __METHOD__, 'flush' ); |
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$lbFactory->waitForReplication(); |
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$table = $db->tableName( 'wbqc_constraints' ); |
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$db->query( sprintf( 'DELETE FROM %s LIMIT %d', $table, $batchSize ) ); |
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} while ( $db->affectedRows() > 0 ); |
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} |
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} |
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/** |
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* @param IResultWrapper $results |
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* |
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* @return Constraint[] |
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*/ |
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private function convertToConstraints( IResultWrapper $results ) { |
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$constraints = []; |
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foreach ( $results as $result ) { |
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$constraintTypeItemId = $result->constraint_type_qid; |
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$constraintParameters = json_decode( $result->constraint_parameters, true ); |
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if ( $constraintParameters === null ) { |
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// T171295 |
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LoggerFactory::getInstance( 'WikibaseQualityConstraints' ) |
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->warning( 'Constraint {constraintId} has invalid constraint parameters.', [ |
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'method' => __METHOD__, |
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'constraintId' => $result->constraint_guid, |
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'constraintParameters' => $result->constraint_parameters, |
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] ); |
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$constraintParameters = [ '@error' => [ /* unknown */ ] ]; |
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} |
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$constraints[] = new Constraint( |
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$result->constraint_guid, |
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PropertyId::newFromNumber( $result->pid ), |
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$constraintTypeItemId, |
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$constraintParameters |
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); |
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} |
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return $constraints; |
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} |
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} |
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wikimedia /
mediawiki-extensions-WikibaseQualityConstraints
