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<?php |
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namespace Queryr\Replicator\Importer; |
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use Deserializers\Deserializer; |
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use Deserializers\Exceptions\DeserializationException; |
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use Queryr\Replicator\Model\EntityPage; |
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use Wikibase\DataModel\Entity\EntityDocument; |
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use Wikibase\DataModel\Entity\Item; |
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class PageImporter { |
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private $entityDeserializer; |
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private $reporter; |
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private $entityHandlers; |
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private $entityPageHandlers; |
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/** |
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* @param Deserializer $entityDeserializer |
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* @param EntityHandler[] $entityHandlers |
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* @param EntityPageHandler[] $entityPageHandlers |
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* @param PageImportReporter $reporter |
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*/ |
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public function __construct( Deserializer $entityDeserializer, array $entityHandlers, |
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array $entityPageHandlers, PageImportReporter $reporter ) { |
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$this->entityDeserializer = $entityDeserializer; |
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$this->reporter = $reporter; |
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$this->entityHandlers = $entityHandlers; |
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$this->entityPageHandlers = $entityPageHandlers; |
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} |
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public function import( EntityPage $entityPage ) { |
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$this->reporter->started( $entityPage ); |
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try { |
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$this->doImport( $entityPage ); |
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$this->reporter->endedSuccessfully(); |
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} |
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catch ( \Exception $ex ) { |
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$this->reporter->endedWithError( $ex ); |
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} |
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} |
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private function doImport( EntityPage $entityPage ) { |
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if ( $this->thereAreHandlers() ) { |
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$entity = $this->doDeserializeStep( $entityPage ); |
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$this->invokeEntityPageHandlers( $entity, $entityPage ); |
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$this->invokeEntityHandlers( $entity ); |
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} |
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} |
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private function thereAreHandlers(): bool { |
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return !empty( $this->entityHandlers ) || !empty( $this->entityPageHandlers ); |
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} |
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private function doDeserializeStep( EntityPage $entityPage ) { |
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$this->reporter->stepStarted( 'Deserializing' ); |
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$entity = $this->entityFromEntityPage( $entityPage ); |
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$this->reporter->stepCompleted(); |
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return $entity; |
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} |
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private function invokeEntityPageHandlers( EntityDocument $entity, EntityPage $entityPage ) { |
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foreach ( $this->entityPageHandlers as $pageHandler ) { |
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$this->reporter->stepStarted( $pageHandler->getHandlingMessage( $entity ) ); |
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$pageHandler->handleEntityPage( $entity, $entityPage ); |
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$this->reporter->stepCompleted(); |
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} |
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} |
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private function invokeEntityHandlers( EntityDocument $entity ) { |
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foreach ( $this->entityHandlers as $entityHandler ) { |
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$this->reporter->stepStarted( $entityHandler->getHandlingMessage( $entity ) ); |
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$entityHandler->handleEntity( $entity ); |
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$this->reporter->stepCompleted(); |
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} |
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} |
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/** |
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* @param EntityPage $entityPage |
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* @return Item |
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* @throws DeserializationException |
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*/ |
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private function entityFromEntityPage( EntityPage $entityPage ) { |
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return $this->entityDeserializer->deserialize( |
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json_decode( $entityPage->getEntityJson(), true ) |
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); |
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} |
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public function setReporter( PageImportReporter $reporter ) { |
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$this->reporter = $reporter; |
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} |
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public function getReporter() { |
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return $this->reporter; |
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} |
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} |
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JeroenDeDauw /
Replicator
