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<?php |
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namespace Wikibase\DataModel\Services\Diff; |
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use Wikibase\DataModel\Term\AliasGroup; |
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use Wikibase\DataModel\Term\Fingerprint; |
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/** |
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* @license GPL-2.0-or-later |
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* @author Jeroen De Dauw < [email protected] > |
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*/ |
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class FingerprintDiffer { |
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/** |
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* @param Fingerprint $first |
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* @param Fingerprint $second |
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* |
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* @return Fingerprint Contains the terms present in $first that are not present in $second |
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*/ |
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public function diff( Fingerprint $first, Fingerprint $second ): Fingerprint { |
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$difference = new Fingerprint(); |
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foreach ( $first->getLabels() as $term ) { |
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if ( !$second->getLabels()->hasTerm( $term ) ) { |
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$difference->getLabels()->setTerm( $term ); |
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} |
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} |
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foreach ( $first->getDescriptions() as $term ) { |
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if ( !$second->getDescriptions()->hasTerm( $term ) ) { |
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$difference->getDescriptions()->setTerm( $term ); |
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} |
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} |
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foreach ( $first->getAliasGroups() as $aliasGroup ) { |
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$difference->setAliasGroup( |
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$aliasGroup->getLanguageCode(), |
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$this->diffAliasGroup( $aliasGroup, $second ) |
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); |
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} |
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return $difference; |
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} |
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private function diffAliasGroup( AliasGroup $aliasGroup, Fingerprint $second ) { |
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if ( $second->hasAliasGroup( $aliasGroup->getLanguageCode() ) ) { |
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$secondAliases = $second->getAliasGroup( $aliasGroup->getLanguageCode() )->getAliases(); |
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$differenceAliases = []; |
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foreach ( $aliasGroup->getAliases() as $aliasText ) { |
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if ( !in_array( $aliasText, $secondAliases ) ) { |
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$differenceAliases[] = $aliasText; |
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} |
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} |
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return $differenceAliases; |
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} |
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return $aliasGroup->getAliases(); |
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} |
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} |
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wmde /
WikibaseDataModelServices
