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<?php |
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|
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namespace Yoast\WP\SEO\Builders; |
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|
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use WP_Error; |
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use WP_Post; |
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use Yoast\WP\SEO\Exceptions\Indexable\Post_Not_Found_Exception; |
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use Yoast\WP\SEO\Helpers\Meta_Helper; |
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use Yoast\WP\SEO\Helpers\Post_Helper; |
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use Yoast\WP\SEO\Helpers\Post_Type_Helper; |
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use Yoast\WP\SEO\Models\Indexable; |
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use Yoast\WP\SEO\Repositories\Indexable_Repository; |
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use Yoast\WP\SEO\Values\Indexables\Indexable_Builder_Versions; |
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|
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/** |
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* Post Builder for the indexables. |
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* |
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* Formats the post meta to indexable format. |
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*/ |
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class Indexable_Post_Builder { |
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|
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use Indexable_Social_Image_Trait; |
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|
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/** |
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* The indexable repository. |
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* |
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* @var Indexable_Repository |
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*/ |
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protected $indexable_repository; |
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|
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/** |
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* Holds the Post_Helper instance. |
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* |
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* @var Post_Helper |
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*/ |
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protected $post_helper; |
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|
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/** |
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* The post type helper. |
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* |
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* @var Post_Type_Helper |
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*/ |
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protected $post_type_helper; |
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|
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/** |
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* Knows the latest version of the Indexable post builder type. |
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* |
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* @var int |
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*/ |
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protected $version; |
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|
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/** |
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* The meta helper. |
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* |
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* @var Meta_Helper |
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*/ |
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protected $meta; |
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|
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/** |
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* Indexable_Post_Builder constructor. |
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* |
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* @param Post_Helper $post_helper The post helper. |
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* @param Post_Type_Helper $post_type_helper The post type helper. |
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* @param Indexable_Builder_Versions $versions The indexable builder versions. |
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* @param Meta_Helper $meta The meta helper. |
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*/ |
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public function __construct( |
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Post_Helper $post_helper, |
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Post_Type_Helper $post_type_helper, |
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Indexable_Builder_Versions $versions, |
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Meta_Helper $meta |
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) { |
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$this->post_helper = $post_helper; |
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$this->post_type_helper = $post_type_helper; |
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$this->version = $versions->get_latest_version_for_type( 'post' ); |
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$this->meta = $meta; |
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} |
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|
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/** |
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* Sets the indexable repository. Done to avoid circular dependencies. |
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* |
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* @required |
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* |
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* @param Indexable_Repository $indexable_repository The indexable repository. |
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*/ |
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public function set_indexable_repository( Indexable_Repository $indexable_repository ) { |
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$this->indexable_repository = $indexable_repository; |
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} |
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|
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/** |
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* Formats the data. |
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* |
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* @param int $post_id The post ID to use. |
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* @param Indexable $indexable The indexable to format. |
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* |
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* @return bool|Indexable The extended indexable. False when unable to build. |
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* |
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* @throws Post_Not_Found_Exception When the post could not be found. |
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*/ |
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public function build( $post_id, $indexable ) { |
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if ( ! $this->post_helper->is_post_indexable( $post_id ) ) { |
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return false; |
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} |
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|
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$post = $this->post_helper->get_post( $post_id ); |
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|
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if ( $post === null ) { |
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throw new Post_Not_Found_Exception(); |
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} |
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|
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if ( $this->should_exclude_post( $post ) ) { |
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return false; |
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} |
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|
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$indexable->object_id = $post_id; |
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$indexable->object_type = 'post'; |
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$indexable->object_sub_type = $post->post_type; |
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$indexable->permalink = $this->get_permalink( $post->post_type, $post_id ); |
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|
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$indexable->primary_focus_keyword_score = $this->get_keyword_score( |
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$this->meta->get_value( 'focuskw', $post_id ), |
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(int) $this->meta->get_value( 'linkdex', $post_id ) |
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); |
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|
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$indexable->readability_score = (int) $this->meta->get_value( 'content_score', $post_id ); |
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|
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$indexable->is_cornerstone = ( $this->meta->get_value( 'is_cornerstone', $post_id ) === '1' ); |
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$indexable->is_robots_noindex = $this->get_robots_noindex( |
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(int) $this->meta->get_value( 'meta-robots-noindex', $post_id ) |
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); |
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|
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// Set additional meta-robots values. |
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$indexable->is_robots_nofollow = ( $this->meta->get_value( 'meta-robots-nofollow', $post_id ) === '1' ); |
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$noindex_advanced = $this->meta->get_value( 'meta-robots-adv', $post_id ); |
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$meta_robots = \explode( ',', $noindex_advanced ); |
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|
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foreach ( $this->get_robots_options() as $meta_robots_option ) { |
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$indexable->{'is_robots_' . $meta_robots_option} = \in_array( $meta_robots_option, $meta_robots, true ) ? 1 : null; |
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} |
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|
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$this->reset_social_images( $indexable ); |
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|
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foreach ( $this->get_indexable_lookup() as $meta_key => $indexable_key ) { |
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$indexable->{$indexable_key} = $this->empty_string_to_null( $this->meta->get_value( $meta_key, $post_id ) ); |
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} |
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|
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if ( empty( $indexable->breadcrumb_title ) ) { |
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$indexable->breadcrumb_title = \wp_strip_all_tags( \get_the_title( $post_id ), true ); |
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} |
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|
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$this->handle_social_images( $indexable ); |
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|
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$indexable->author_id = $post->post_author; |
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$indexable->post_parent = $post->post_parent; |
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|
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$indexable->number_of_pages = $this->get_number_of_pages_for_post( $post ); |
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$indexable->post_status = $post->post_status; |
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$indexable->is_protected = $post->post_password !== ''; |
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$indexable->is_public = $this->is_public( $indexable ); |
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$indexable->has_public_posts = $this->has_public_posts( $indexable ); |
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$indexable->blog_id = \get_current_blog_id(); |
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|
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$indexable->schema_page_type = $this->empty_string_to_null( $this->meta->get_value( 'schema_page_type', $post_id ) ); |
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$indexable->schema_article_type = $this->empty_string_to_null( $this->meta->get_value( 'schema_article_type', $post_id ) ); |
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|
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$indexable->object_last_modified = $post->post_modified_gmt; |
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$indexable->object_published_at = $post->post_date_gmt; |
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|
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$indexable->version = $this->version; |
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|
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return $indexable; |
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} |
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|
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/** |
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* Retrieves the permalink for a post with the given post type and ID. |
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* |
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* @param string $post_type The post type. |
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* @param int $post_id The post ID. |
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* |
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* @return false|string|WP_Error The permalink. |
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*/ |
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protected function get_permalink( $post_type, $post_id ) { |
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if ( $post_type !== 'attachment' ) { |
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return \get_permalink( $post_id ); |
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} |
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|
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return \wp_get_attachment_url( $post_id ); |
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} |
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|
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/** |
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* Determines the value of is_public. |
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* |
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* @param Indexable $indexable The indexable. |
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* |
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* @return bool|null Whether or not the post type is public. Null if no override is set. |
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*/ |
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protected function is_public( $indexable ) { |
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if ( $indexable->is_protected === true ) { |
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return false; |
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} |
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|
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if ( $indexable->is_robots_noindex === true ) { |
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return false; |
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} |
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|
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// Attachments behave differently than the other post types, since they inherit from their parent. |
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if ( $indexable->object_sub_type === 'attachment' ) { |
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return $this->is_public_attachment( $indexable ); |
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} |
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|
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if ( ! \in_array( $indexable->post_status, $this->post_helper->get_public_post_statuses(), true ) ) { |
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return false; |
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} |
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|
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if ( $indexable->is_robots_noindex === false ) { |
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return true; |
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} |
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|
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return null; |
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} |
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|
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/** |
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* Determines the value of is_public for attachments. |
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* |
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* @param Indexable $indexable The indexable. |
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* |
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* @return bool|null False when it has no parent. Null when it has a parent. |
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*/ |
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protected function is_public_attachment( $indexable ) { |
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// If the attachment has no parent, it should not be public. |
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if ( empty( $indexable->post_parent ) ) { |
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return false; |
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} |
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|
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// If the attachment has a parent, the is_public should be NULL. |
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return null; |
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} |
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|
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/** |
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* Determines the value of has_public_posts. |
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* |
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* @param Indexable $indexable The indexable. |
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* |
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* @return bool|null Whether the attachment has a public parent, can be true, false and null. Null when it is not an attachment. |
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*/ |
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protected function has_public_posts( $indexable ) { |
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// Only attachments (and authors) have this value. |
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if ( $indexable->object_sub_type !== 'attachment' ) { |
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return null; |
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} |
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|
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// The attachment should have a post parent. |
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if ( empty( $indexable->post_parent ) ) { |
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return false; |
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} |
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|
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// The attachment should inherit the post status. |
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if ( $indexable->post_status !== 'inherit' ) { |
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return false; |
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} |
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|
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// The post parent should be public. |
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$post_parent_indexable = $this->indexable_repository->find_by_id_and_type( $indexable->post_parent, 'post' ); |
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if ( $post_parent_indexable !== false ) { |
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return $post_parent_indexable->is_public; |
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} |
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|
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return false; |
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} |
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|
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/** |
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* Converts the meta robots noindex value to the indexable value. |
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* |
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* @param int $value Meta value to convert. |
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* |
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* @return bool|null True for noindex, false for index, null for default of parent/type. |
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*/ |
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protected function get_robots_noindex( $value ) { |
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$value = (int) $value; |
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|
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switch ( $value ) { |
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case 1: |
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return true; |
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case 2: |
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return false; |
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} |
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|
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return null; |
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} |
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|
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/** |
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* Retrieves the robot options to search for. |
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* |
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* @return array List of robots values. |
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*/ |
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protected function get_robots_options() { |
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return [ 'noimageindex', 'noarchive', 'nosnippet' ]; |
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} |
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|
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/** |
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* Determines the focus keyword score. |
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* |
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* @param string $keyword The focus keyword that is set. |
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* @param int $score The score saved on the meta data. |
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* |
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* @return int|null Score to use. |
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*/ |
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protected function get_keyword_score( $keyword, $score ) { |
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if ( empty( $keyword ) ) { |
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return null; |
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} |
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|
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return $score; |
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} |
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|
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/** |
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* Retrieves the lookup table. |
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* |
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* @return array Lookup table for the indexable fields. |
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*/ |
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protected function get_indexable_lookup() { |
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return [ |
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'focuskw' => 'primary_focus_keyword', |
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'canonical' => 'canonical', |
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'title' => 'title', |
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'metadesc' => 'description', |
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'bctitle' => 'breadcrumb_title', |
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'opengraph-title' => 'open_graph_title', |
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'opengraph-image' => 'open_graph_image', |
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'opengraph-image-id' => 'open_graph_image_id', |
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'opengraph-description' => 'open_graph_description', |
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'twitter-title' => 'twitter_title', |
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'twitter-image' => 'twitter_image', |
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'twitter-image-id' => 'twitter_image_id', |
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'twitter-description' => 'twitter_description', |
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'estimated-reading-time-minutes' => 'estimated_reading_time_minutes', |
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]; |
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} |
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|
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/** |
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* Finds an alternative image for the social image. |
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* |
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* @param Indexable $indexable The indexable. |
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* |
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* @return array|bool False when not found, array with data when found. |
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*/ |
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protected function find_alternative_image( Indexable $indexable ) { |
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if ( |
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$indexable->object_sub_type === 'attachment' |
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&& $this->image->is_valid_attachment( $indexable->object_id ) |
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) { |
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return [ |
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'image_id' => $indexable->object_id, |
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'source' => 'attachment-image', |
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]; |
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} |
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|
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$featured_image_id = $this->image->get_featured_image_id( $indexable->object_id ); |
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if ( $featured_image_id ) { |
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return [ |
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'image_id' => $featured_image_id, |
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'source' => 'featured-image', |
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]; |
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} |
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|
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$gallery_image = $this->image->get_gallery_image( $indexable->object_id ); |
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if ( $gallery_image ) { |
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return [ |
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'image' => $gallery_image, |
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'source' => 'gallery-image', |
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]; |
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} |
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|
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$content_image = $this->image->get_post_content_image( $indexable->object_id ); |
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if ( $content_image ) { |
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return [ |
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'image' => $content_image, |
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'source' => 'first-content-image', |
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]; |
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} |
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|
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return false; |
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} |
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|
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/** |
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* Gets the number of pages for a post. |
| 387 |
* |
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* @param object $post The post object. |
| 389 |
* |
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* @return int|null The number of pages or null if the post isn't paginated. |
| 391 |
*/ |
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protected function get_number_of_pages_for_post( $post ) { |
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$number_of_pages = ( \substr_count( $post->post_content, '<!--nextpage-->' ) + 1 ); |
| 394 |
|
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if ( $number_of_pages <= 1 ) { |
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return null; |
| 397 |
} |
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|
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return $number_of_pages; |
| 400 |
} |
| 401 |
|
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/** |
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* Checks whether an indexable should be built for this post. |
| 404 |
* |
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* @param WP_Post $post The post for which an indexable should be built. |
| 406 |
* |
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* @return bool `true` if the post should be excluded from building, `false` if not. |
| 408 |
*/ |
| 409 |
protected function should_exclude_post( $post ) { |
| 410 |
return $this->post_type_helper->is_excluded( $post->post_type ); |
| 411 |
} |
| 412 |
|
| 413 |
/** |
| 414 |
* Transforms an empty string into null. Leaves non-empty strings intact. |
| 415 |
* |
| 416 |
* @param string $string The string. |
| 417 |
* |
| 418 |
* @return string|null The input string or null. |
| 419 |
*/ |
| 420 |
protected function empty_string_to_null( $string ) { |
| 421 |
if ( ! is_string( $string ) || $string === '' ) { |
| 422 |
return null; |
| 423 |
} |
| 424 |
|
| 425 |
return $string; |
| 426 |
} |
| 427 |
} |
| 428 |
|
