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<?php |
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namespace Wordlift\Jsonld; |
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use Wordlift_Post_To_Jsonld_Converter; |
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class Jsonld_Article_Wrapper { |
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private static $article_types = array( |
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'Article', |
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'AdvertiserContentArticle', |
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'NewsArticle', |
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'AnalysisNewsArticle', |
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'AskPublicNewsArticle', |
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'BackgroundNewsArticle', |
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'OpinionNewsArticle', |
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'ReportageNewsArticle', |
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'ReviewNewsArticle', |
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'Report', |
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'SatiricalArticle', |
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'ScholarlyArticle', |
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'MedicalScholarlyArticle', |
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'SocialMediaPosting', |
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'BlogPosting', |
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'LiveBlogPosting', |
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'DiscussionForumPosting', |
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'TechArticle', |
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'APIReference' |
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); |
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/** |
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* @var Wordlift_Post_To_Jsonld_Converter |
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*/ |
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private $post_to_jsonld_converter; |
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public function __construct( $post_to_jsonld_converter ) { |
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$this->post_to_jsonld_converter = $post_to_jsonld_converter; |
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add_filter( 'wl_after_get_jsonld', array( $this, 'after_get_jsonld' ), 10, 3 ); |
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} |
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public function after_get_jsonld( $jsonld, $post_id, $context ) { |
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if ( Jsonld_Context_Enum::PAGE !== $context || ! is_array( $jsonld ) || ! isset( $jsonld[0] ) |
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|| ! is_array( $jsonld[0] ) ) { |
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return $jsonld; |
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} |
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// Copy the 1st array element |
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$post_jsonld = $jsonld[0]; |
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// Don't wrap in article if the json-ld is already about an Article (or its descendants). `@type` must be |
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// in the schema.org context, i.e. `Article`, not `http://schema.org/Article`. |
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if ( ! isset( $post_jsonld['@id'] ) || ! isset( $post_jsonld['@type'] ) || $this->is_article( $post_jsonld['@type'] ) ) { |
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return $jsonld; |
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} |
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// Convert the post as Article. |
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$article_jsonld = $this->post_to_jsonld_converter->convert( $post_id ); |
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$article_jsonld['@id'] = $post_jsonld['@id'] . '/wrapper'; |
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// Reset the type, since by default the type assigned via the Entity Type taxonomy is used. |
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$article_jsonld['@type'] = 'Article'; |
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$article_jsonld['about'] = array( '@id' => $post_jsonld['@id'] ); |
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// Copy over the URLs. |
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if ( isset( $post_jsonld['url'] ) ) { |
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$article_jsonld['url'] = $post_jsonld['url']; |
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} |
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array_unshift( $jsonld, $article_jsonld ); |
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return $jsonld; |
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} |
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private function is_article( $schema_types ) { |
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$array_intersect = array_intersect( self::$article_types, ( array ) $schema_types ); |
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return ! empty( $array_intersect ); |
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} |
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} |
insideout10 /
wordlift-plugin
