Completed
Push — master ( 63ce71...7d7b0c )
by Leszek
38s
created

TermListDeserializer::assertCanDeserialize()   A

Complexity

Conditions 3
Paths 3

Size

Total Lines 10
Code Lines 6

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
c 1
b 0
f 0
dl 0
loc 10
rs 9.4285
cc 3
eloc 6
nc 3
nop 1
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<?php
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namespace Wikibase\DataModel\Deserializers;
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use Deserializers\Deserializer;
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use Deserializers\Exceptions\DeserializationException;
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use Deserializers\Exceptions\InvalidAttributeException;
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use Wikibase\DataModel\Term\Term;
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use Wikibase\DataModel\Term\TermList;
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/**
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 * Package private
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 *
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 * @license GPL-2.0+
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 * @author Addshore
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 * @author Bene* < [email protected] >
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 */
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class TermListDeserializer implements Deserializer {
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	/**
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	 * @var Deserializer
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	 */
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	private $termDeserializer;
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	/**
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	 * @param Deserializer $termDeserializer
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	 */
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	public function __construct( Deserializer $termDeserializer ) {
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		$this->termDeserializer = $termDeserializer;
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	}
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	/**
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	 * @see Deserializer::deserialize
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	 *
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	 * @param array[] $serialization
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	 *
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	 * @throws DeserializationException
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	 * @return TermList
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	 */
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	public function deserialize( $serialization ) {
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		if ( !is_array( $serialization ) ) {
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			throw new DeserializationException( 'The term list serialization should be an array' );
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		}
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		return $this->getDeserialized( $serialization );
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	}
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	/**
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	 * @param array[] $serialization
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	 *
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	 * @return TermList
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	 */
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	private function getDeserialized( array $serialization ) {
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		$termList = new TermList();
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		foreach ( $serialization as $requestedLanguage => $termSerialization ) {
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			$this->assertAttributeIsArray( $serialization, $requestedLanguage );
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			$this->assertRequestedAndActualLanguageMatch( $termSerialization, $requestedLanguage );
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			/** @var Term $term */
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			$term = $this->termDeserializer->deserialize( $termSerialization );
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			$termList->setTerm( $term );
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		}
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		return $termList;
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	}
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	private function assertRequestedAndActualLanguageMatch(
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		array $serialization,
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		$requestedLanguage
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	) {
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		if ( $serialization['language'] !== $requestedLanguage ) {
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			throw new DeserializationException(
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				'Deserialization of a value of the attribute language (actual)'
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					. ' that is not matching the language key (requested) is not supported: '
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					. $serialization['language'] . ' !== ' . $requestedLanguage
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			);
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		}
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	}
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	private function assertAttributeIsArray( array $array, $attributeName ) {
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		if ( !is_array( $array[$attributeName] ) ) {
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			throw new InvalidAttributeException(
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				$attributeName,
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				$array[$attributeName],
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				"The internal type of attribute '$attributeName' needs to be 'array'"
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			);
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		}
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	}
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}
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