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<?php |
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namespace Wordlift\Dataset; |
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use Wordlift\Object_Type_Enum; |
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/** |
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* @since 3.28.0 |
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* @author Naveen Muthusamy <[email protected]> |
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*/ |
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/** |
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* This class adds `relation` property to entity jsonld by using `wl_entity_jsonld_array hook`. |
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* Class Entity_Dct_Relation |
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*/ |
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class Sync_Hooks_Entity_Relation { |
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/** |
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* @var \Wordlift_Entity_Service |
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*/ |
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private $entity_service; |
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/** |
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* Entity_Dct_Relation constructor. |
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* |
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* @param $entity_service \Wordlift_Entity_Service |
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*/ |
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public function __construct( $entity_service ) { |
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$this->entity_service = $entity_service; |
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add_filter( 'wl_dataset__sync_service__sync_item__jsonld', array( $this, 'jsonld' ), 10, 3 ); |
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} |
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public function jsonld( $jsonld, $type, $post_id ) { |
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// @@todo add support for terms. |
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if ( Object_Type_Enum::TERM === $type ) { |
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return $jsonld; |
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} |
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// Choose the dcterm property according to the post type. |
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$property = $this->entity_service->is_entity( $post_id ) |
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? 'http://purl.org/dc/terms/relation' |
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: 'http://purl.org/dc/terms/references'; |
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$references = array_unique( $this->entity_service->get_related_entities( $post_id ) ); |
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// Bail out if there are no references. |
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if ( empty( $references ) ) { |
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return $jsonld; |
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} |
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if ( ! isset( $jsonld[0][ $property ] ) ) { |
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$jsonld[0][ $property ] = array(); |
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} |
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if ( ! is_array( $jsonld[0][ $property ] ) ) { |
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$jsonld[0][ $property ] = array( $jsonld[0][ $property ] ); |
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} |
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$that = $this; |
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$references_array = array_values( array_map( function ( $item ) use ( $that ) { |
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return array( '@id' => $that->entity_service->get_uri( $item ) ); |
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}, $references ) ); |
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$jsonld[0][ $property ] = array_merge( $jsonld[0][ $property ], $references_array ); |
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return $jsonld; |
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} |
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} |
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insideout10 /
wordlift-plugin
