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<?php |
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namespace Wikibase\InternalSerialization\Deserializers; |
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use Deserializers\Deserializer; |
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use Deserializers\Exceptions\DeserializationException; |
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use Deserializers\Exceptions\MissingAttributeException; |
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use InvalidArgumentException; |
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use Wikibase\DataModel\Entity\ItemId; |
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use Wikibase\DataModel\SiteLink; |
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use Wikibase\DataModel\SiteLinkList; |
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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 LegacySiteLinkListDeserializer implements Deserializer { |
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/** |
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* @param array $serialization |
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* |
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* @return SiteLink[] |
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* @throws DeserializationException |
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*/ |
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public function deserialize( $serialization ) { |
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$this->assertStructureIsValid( $serialization ); |
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return $this->getDeserialized( $serialization ); |
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} |
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private function assertStructureIsValid( $serialization ) { |
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if ( !is_array( $serialization ) ) { |
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throw new DeserializationException( 'SiteLink list serializations should be arrays' ); |
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} |
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foreach ( $serialization as $key => $arrayElement ) { |
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$this->assertKeyIsValid( $key ); |
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$this->assertElementIsValid( $arrayElement ); |
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} |
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} |
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private function assertKeyIsValid( $key ) { |
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if ( !is_string( $key ) ) { |
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throw new DeserializationException( 'All array keys should be strings' ); |
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} |
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} |
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private function assertElementIsValid( $arrayElement ) { |
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if ( !is_string( $arrayElement ) && !is_array( $arrayElement ) ) { |
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throw new DeserializationException( 'All array elements should be of type string or array' ); |
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} |
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if ( is_array( $arrayElement ) ) { |
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$this->assertElementIsValidArray( $arrayElement ); |
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} |
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} |
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private function assertElementIsValidArray( array $arrayElement ) { |
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if ( !array_key_exists( 'name', $arrayElement ) ) { |
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throw new MissingAttributeException( 'name' ); |
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} |
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if ( !array_key_exists( 'badges', $arrayElement ) ) { |
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throw new MissingAttributeException( 'badges' ); |
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} |
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} |
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/** |
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* @param array $siteLinkArray |
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* |
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* @return SiteLinkList |
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*/ |
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private function getDeserialized( array $siteLinkArray ) { |
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$siteLinks = array(); |
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foreach ( $siteLinkArray as $siteId => $siteLinkData ) { |
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$siteLinks[] = $this->newSiteLinkFromSerialization( $siteId, $siteLinkData ); |
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} |
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return new SiteLinkList( $siteLinks ); |
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} |
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/** |
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* @param string $siteId |
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* @param string|array $siteLinkData |
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* |
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* @throws DeserializationException |
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* @return SiteLink |
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*/ |
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private function newSiteLinkFromSerialization( $siteId, $siteLinkData ) { |
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try { |
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return $this->tryNewSiteLinkFromSerialization( $siteId, $siteLinkData ); |
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} catch ( InvalidArgumentException $ex ) { |
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throw new DeserializationException( $ex->getMessage(), $ex ); |
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} |
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} |
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/** |
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* @param string $siteId |
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* @param string|array $siteLinkData |
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* |
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* @return SiteLink |
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*/ |
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private function tryNewSiteLinkFromSerialization( $siteId, $siteLinkData ) { |
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if ( is_array( $siteLinkData ) ) { |
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$pageName = $siteLinkData['name']; |
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$badges = $this->getDeserializedBadges( $siteLinkData['badges'] ); |
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} else { |
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$pageName = $siteLinkData; |
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$badges = array(); |
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} |
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return new SiteLink( $siteId, $pageName, $badges ); |
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} |
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/** |
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* @param string[] $badgesSerialization |
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* |
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* @return ItemId[] |
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*/ |
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private function getDeserializedBadges( array $badgesSerialization ) { |
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$badges = array(); |
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foreach ( $badgesSerialization as $badgeSerialization ) { |
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$badges[] = new ItemId( $badgeSerialization ); |
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} |
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return $badges; |
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} |
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} |
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