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<?php |
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namespace Queryr\EntityStore; |
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use Doctrine\DBAL\Connection; |
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use Doctrine\DBAL\DBALException; |
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use Queryr\EntityStore\Data\PropertyInfo; |
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use Queryr\EntityStore\Data\PropertyRow; |
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use Wikibase\DataModel\Entity\PropertyId; |
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/** |
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* @licence GNU GPL v2+ |
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* @author Jeroen De Dauw < [email protected] > |
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*/ |
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class PropertyStore { |
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private $connection; |
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private $tableName; |
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/** |
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* This constructor is package private. Construction is done via EntityStoreFactory. |
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* |
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* @param Connection $connection |
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* @param string $tableName |
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*/ |
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public function __construct( Connection $connection, $tableName ) { |
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$this->connection = $connection; |
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$this->tableName = $tableName; |
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} |
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/** |
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* @param PropertyRow $propertyRow |
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* |
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* @throws EntityStoreException |
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*/ |
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public function storePropertyRow( PropertyRow $propertyRow ) { |
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$this->deletePropertyById( PropertyId::newFromNumber( $propertyRow->getNumericPropertyId() ) ); |
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try { |
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$this->connection->insert( |
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$this->tableName, |
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array( |
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'property_id' => $propertyRow->getNumericPropertyId(), |
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'property_json' => $propertyRow->getPropertyJson(), |
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'page_title' => $propertyRow->getPageTitle(), |
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'revision_id' => $propertyRow->getRevisionId(), |
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'revision_time' => $propertyRow->getRevisionTime(), |
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'property_type' => $propertyRow->getPropertyType(), |
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) |
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); |
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} |
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catch ( DBALException $ex ) { |
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throw new EntityStoreException( $ex->getMessage(), $ex ); |
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} |
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} |
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/** |
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* @param PropertyId $propertyId |
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* |
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* @throws EntityStoreException |
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*/ |
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public function deletePropertyById( PropertyId $propertyId ) { |
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try { |
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$this->connection->delete( |
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$this->tableName, |
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[ |
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'property_id' => $propertyId->getNumericId() |
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] |
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); |
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} |
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catch ( DBALException $ex ) { |
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throw new EntityStoreException( $ex->getMessage(), $ex ); |
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} |
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} |
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/** |
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* @param string|int $numericPropertyId |
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* |
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* @return PropertyRow|null |
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* @throws EntityStoreException |
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*/ |
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public function getPropertyRowByNumericPropertyId( $numericPropertyId ) { |
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try { |
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$rows = $this->selectProperties() |
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->where( 'property_id = ?' ) |
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->setParameter( 0, (int)$numericPropertyId ) |
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->execute(); |
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} |
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catch ( DBALException $ex ) { |
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throw new EntityStoreException( $ex->getMessage(), $ex ); |
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} |
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return $this->newPropertyRowFromResult( $rows ); |
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} |
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private function selectProperties() { |
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return $this->connection->createQueryBuilder()->select( |
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'property_id', |
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'property_json', |
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'page_title', |
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'revision_id', |
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'revision_time', |
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'property_type' |
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)->from( $this->tableName ); |
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} |
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private function newPropertyRowFromResult( \Traversable $rows ) { |
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$rows = iterator_to_array( $rows ); |
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if ( count( $rows ) < 1 ) { |
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return null; |
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} |
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$row = reset( $rows ); |
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return new PropertyRow( |
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$row['property_json'], |
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$this->newPropertyInfoFromResultRow( $row ) |
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); |
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} |
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private function newPropertyInfoFromResultRow( array $row ) { |
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return new PropertyInfo( |
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$row['property_id'], |
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$row['page_title'], |
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$row['revision_id'], |
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$row['revision_time'], |
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$row['property_type'] |
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); |
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} |
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private function selectPropertyInfoSets() { |
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return $this->connection->createQueryBuilder()->select( |
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'property_id', |
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'page_title', |
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'revision_id', |
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'revision_time', |
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'property_type' |
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)->from( $this->tableName ); |
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} |
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/** |
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* @param int $limit |
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* @param int $offset |
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* |
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* @return PropertyInfo[] |
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* @throws EntityStoreException |
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*/ |
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public function getPropertyInfo( $limit, $offset ) { |
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try { |
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$rows = $this->selectPropertyInfoSets() |
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->orderBy( 'property_id', 'asc' ) |
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->setMaxResults( $limit ) |
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->setFirstResult( $offset ) |
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->execute(); |
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} |
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catch ( DBALException $ex ) { |
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throw new EntityStoreException( $ex->getMessage(), $ex ); |
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} |
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return $this->newPropertyInfoArrayFromResult( $rows ); |
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} |
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private function newPropertyInfoArrayFromResult( \Traversable $rows ) { |
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$infoList = []; |
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foreach ( $rows as $resultRow ) { |
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$infoList[] = $this->newPropertyInfoFromResultRow( $resultRow ); |
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} |
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return $infoList; |
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} |
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} |
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