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<?php
namespace Yoast\WP\SEO\Surfaces\Values;
use Exception;
use WPSEO_Replace_Vars;
use Yoast\WP\SEO\Context\Meta_Tags_Context;
use Yoast\WP\SEO\Integrations\Front_End_Integration;
use Yoast\WP\SEO\Presenters\Abstract_Indexable_Presenter;
use Yoast\WP\SEO\Presenters\Rel_Next_Presenter;
use Yoast\WP\SEO\Presenters\Rel_Prev_Presenter;
use Yoast\WP\SEO\Surfaces\Helpers_Surface;
use YoastSEO_Vendor\Symfony\Component\DependencyInjection\ContainerInterface;
/**
* Meta value object.
*
* @property array $breadcrumbs The breadcrumbs array for the current page.
* @property string $canonical The canonical URL for the current page.
* @property string $company_name The company name from the Knowledge graph settings.
* @property int $company_logo_id The attachment ID for the company logo.
* @property string $description The meta description for the current page, if set.
* @property int $estimated_reading_time_minutes The estimated reading time in minutes for posts.
* @property string $main_schema_id Schema ID that points to the main Schema thing on the page, usually the webpage or article Schema piece.
* @property string $meta_description The meta description for the current page, if set.
* @property string $open_graph_article_author The article:author value.
* @property string $open_graph_article_modified_time The article:modified_time value.
* @property string $open_graph_article_published_time The article:published_time value.
* @property string $open_graph_article_publisher The article:publisher value.
* @property string $open_graph_description The og:description.
* @property bool $open_graph_enabled Whether OpenGraph is enabled on this site.
* @property string $open_graph_fb_app_id The Facebook App ID.
* @property array $open_graph_images The array of images we have for this page.
* @property string $open_graph_locale The og:locale for the current page.
* @property string $open_graph_publisher The OpenGraph publisher reference.
* @property string $open_graph_site_name The og:site_name.
* @property string $open_graph_title The og:title.
* @property string $open_graph_type The og:type.
* @property string $open_graph_url The og:url.
* @property string $page_type The Schema page type.
* @property array $robots An array of the robots values set for the current page.
* @property string $rel_next The next page in the series, if any.
* @property string $rel_prev The previous page in the series, if any.
* @property array $schema The entire Schema array for the current page.
* @property string $schema_page_type The Schema page type.
* @property string $site_name The site name from the Yoast SEO settings.
* @property string $site_represents Whether the site represents a 'person' or a 'company'.
* @property array|false $site_represents_reference The schema reference ID for what this site represents.
* @property string $site_url The site's main URL.
* @property int $site_user_id If the site represents a 'person', this is the ID of the accompanying user profile.
* @property string $title The SEO title for the current page.
* @property string $twitter_card The Twitter card type for the current page.
* @property string $twitter_creator The Twitter card author for the current page.
* @property string $twitter_description The Twitter card description for the current page.
* @property string $twitter_image The Twitter card image for the current page.
* @property string $twitter_site The Twitter card site reference for the current page.
* @property string $twitter_title The Twitter card title for the current page.
* @property string $wordpress_site_name The site name from the WordPress settings.
*/
class Meta {
/**
* The container.
*
* @var ContainerInterface
*/
protected $container;
/**
* The meta tags context.
*
* @var Meta_Tags_Context
*/
protected $context;
/**
* The front end integration.
*
* @var Front_End_Integration
*/
protected $front_end;
/**
* The helpers surface.
*
* @var Helpers_Surface
*/
protected $helpers;
/**
* The replace vars helper
*
* @var WPSEO_Replace_Vars
*/
protected $replace_vars;
/**
* Create a meta value object.
*
* @param Meta_Tags_Context $context The indexable presentation.
* @param ContainerInterface $container The DI container.
*/
public function __construct(
Meta_Tags_Context $context,
ContainerInterface $container
) {
$this->container = $container;
$this->context = $context;
$this->helpers = $this->container->get( Helpers_Surface::class );
$this->replace_vars = $this->container->get( WPSEO_Replace_Vars::class );
$this->front_end = $this->container->get( Front_End_Integration::class );
}
/**
* Returns the output as would be presented in the head.
*
* @return string The HTML output of the head.
*/
public function get_head() {
$presenters = $this->front_end->get_presenters( $this->context->page_type );
if ( $this->context->page_type === 'Date_Archive' ) {
$callback = function ( $presenter ) {
return ! \is_a( $presenter, Rel_Next_Presenter::class )
&& ! \is_a( $presenter, Rel_Prev_Presenter::class );
};
$presenters = \array_filter( $presenters, $callback );
}
$output = '';
/** This filter is documented in src/integrations/front-end-integration.php */
$presentation = \apply_filters( 'wpseo_frontend_presentation', $this->context->presentation, $this->context );
foreach ( $presenters as $presenter ) {
$presenter->presentation = $presentation;
$presenter->helpers = $this->helpers;
$presenter->replace_vars = $this->replace_vars;
$presenter_output = $presenter->present();
if ( ! empty( $presenter_output ) ) {
$output .= $presenter_output . \PHP_EOL;
}
}
return \trim( $output );
}
/**
* Magic getter for presenting values through the appropriate presenter, if it exists.
*
* @param string $name The property to get.
*
* @return mixed The value, as presented by teh appropriate presenter.
*
* @throws Exception If an invalid property is accessed.
*/
public function __get( $name ) {
/** This filter is documented in src/integrations/front-end-integration.php */
$presentation = \apply_filters( 'wpseo_frontend_presentation', $this->context->presentation, $this->context );
if ( ! isset( $presentation->{$name} ) ) {
if ( isset( $this->context->{$name} ) ) {
$this->{$name} = $this->context->{$name};
return $this->{$name};
}
return null;
}
$presenter_namespace = 'Yoast\WP\SEO\Presenters\\';
$parts = \explode( '_', $name );
if ( $parts[0] === 'twitter' ) {
$presenter_namespace .= 'Twitter\\';
$parts = \array_slice( $parts, 1 );
}
elseif ( $parts[0] === 'open' && $parts[1] === 'graph' ) {
$presenter_namespace .= 'Open_Graph\\';
$parts = \array_slice( $parts, 2 );
}
$presenter_class = $presenter_namespace . \implode( '_', \array_map( 'ucfirst', $parts ) ) . '_Presenter';
if ( \class_exists( $presenter_class ) ) {
/**
* The indexable presenter.
*
* @var Abstract_Indexable_Presenter
*/
$presenter = new $presenter_class();
$presenter->presentation = $presentation;
$presenter->helpers = $this->helpers;
$presenter->replace_vars = $this->replace_vars;
$value = $presenter->get();
}
else {
$value = $presentation->{$name};
}
$this->{$name} = $value;
return $this->{$name};
}
/**
* Magic isset for ensuring properties on the presentation are recognised.
*
* @param string $name The property to get.
*
* @return bool Whether or not the requested property exists.
*/
public function __isset( $name ) {
return isset( $this->context->presentation->{$name} );
}
/**
* Strips all nested dependencies from the debug info.
*
* @return array
*/
public function __debugInfo() {
return [ 'context' => $this->context ];
}
}
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