web-stories.php
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<?php
namespace Yoast\WP\SEO\Integrations\Third_Party;
use Yoast\WP\SEO\Conditionals\Web_Stories_Conditional;
use Yoast\WP\SEO\Context\Meta_Tags_Context;
use Yoast\WP\SEO\Integrations\Front_End_Integration;
use Yoast\WP\SEO\Integrations\Integration_Interface;
use Yoast\WP\SEO\Models\Indexable;
use Yoast\WP\SEO\Presentations\Indexable_Presentation;
use Yoast\WP\SEO\Presenters\Title_Presenter;
/**
* Web Stories integration.
*/
class Web_Stories implements Integration_Interface {
/**
* The front end integration.
*
* @var Front_End_Integration
*/
protected $front_end;
/**
* Returns the conditionals based in which this loadable should be active.
*
* @return array
*/
public static function get_conditionals() {
return [ Web_Stories_Conditional::class ];
}
/**
* Constructs the Web Stories integration
*
* @param Front_End_Integration $front_end The front end integration.
*/
public function __construct( Front_End_Integration $front_end ) {
$this->front_end = $front_end;
}
/**
* Initializes the integration.
*
* This is the place to register hooks and filters.
*
* @return void
*/
public function register_hooks() {
// Disable default title and meta description output in the Web Stories plugin,
// and force-add title & meta description presenter, regardless of theme support.
\add_filter( 'web_stories_enable_document_title', '__return_false' );
\add_filter( 'web_stories_enable_metadata', '__return_false' );
\add_filter( 'wpseo_frontend_presenters', [ $this, 'filter_frontend_presenters' ], 10, 2 );
\add_action( 'web_stories_enable_schemaorg_metadata', '__return_false' );
\add_action( 'web_stories_enable_open_graph_metadata', '__return_false' );
\add_action( 'web_stories_enable_twitter_metadata', '__return_false' );
\add_action( 'web_stories_story_head', [ $this, 'web_stories_story_head' ], 1 );
\add_filter( 'wpseo_schema_article_type', [ $this, 'filter_schema_article_type' ], 10, 2 );
\add_filter( 'wpseo_metadesc', [ $this, 'filter_meta_description' ], 10, 2 );
}
/**
* Filter 'wpseo_frontend_presenters' - Allow filtering the presenter instances in or out of the request.
*
* @param array $presenters The presenters.
* @param Meta_Tags_Context $context The meta tags context for the current page.
* @return array Filtered presenters.
*/
public function filter_frontend_presenters( $presenters, $context ) {
if ( $context->indexable->object_sub_type !== 'web-story' ) {
return $presenters;
}
$has_title_presenter = false;
foreach ( $presenters as $presenter ) {
if ( $presenter instanceof Title_Presenter ) {
$has_title_presenter = true;
}
}
if ( ! $has_title_presenter ) {
$presenters[] = new Title_Presenter();
}
return $presenters;
}
/**
* Hooks into web story <head> generation to modify output.
*
* @return void
*/
public function web_stories_story_head() {
\remove_action( 'web_stories_story_head', 'rel_canonical' );
\add_action( 'web_stories_story_head', [ $this->front_end, 'call_wpseo_head' ], 9 );
}
/**
* Filters the meta description for stories.
*
* @param string $description The description sentence.
* @param Indexable_Presentation $presentation The presentation of an indexable.
* @return string The description sentence.
*/
public function filter_meta_description( $description, $presentation ) {
if ( $description || $presentation->model->object_sub_type !== 'web-story' ) {
return $description;
}
return \get_the_excerpt( $presentation->model->object_id );
}
/**
* Filters Article type for Web Stories.
*
* @param string|string[] $type The Article type.
* @param Indexable $indexable The indexable.
* @return string|string[] Article type.
*/
public function filter_schema_article_type( $type, $indexable ) {
if ( $indexable->object_sub_type !== 'web-story' ) {
return $type;
}
if ( \is_string( $type ) && $type === 'None' ) {
return 'Article';
}
return $type;
}
}