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<?php
/**
* WPSEO plugin file.
*
* @package Yoast\WP\SEO\Generators\Schema
*/
namespace Yoast\WP\SEO\Generators\Schema;
use WP_Post;
use Yoast\WP\SEO\Config\Schema_IDs;
/**
* Returns schema WebPage data.
*/
class WebPage extends Abstract_Schema_Piece {
/**
* Determines whether or not a piece should be added to the graph.
*
* @return bool
*/
public function is_needed() {
return ! ( $this->context->indexable->object_type === 'system-page' && $this->context->indexable->object_sub_type === '404' );
}
/**
* Returns WebPage schema data.
*
* @return array WebPage schema data.
*/
public function generate() {
$data = [
'@type' => $this->context->schema_page_type,
'@id' => $this->context->canonical . Schema_IDs::WEBPAGE_HASH,
'url' => $this->context->canonical,
'name' => $this->helpers->schema->html->smart_strip_tags( $this->context->title ),
'isPartOf' => [
'@id' => $this->context->site_url . Schema_IDs::WEBSITE_HASH,
],
];
if ( $this->helpers->current_page->is_front_page() ) {
if ( $this->context->site_represents_reference ) {
$data['about'] = $this->context->site_represents_reference;
}
}
if ( $this->context->indexable->object_type === 'post' ) {
$this->add_image( $data );
$data['datePublished'] = $this->helpers->date->format( $this->context->post->post_date_gmt );
$data['dateModified'] = $this->helpers->date->format( $this->context->post->post_modified_gmt );
if ( $this->context->indexable->object_sub_type === 'post' ) {
$data = $this->add_author( $data, $this->context->post );
}
}
if ( ! empty( $this->context->description ) ) {
$data['description'] = $this->helpers->schema->html->smart_strip_tags( $this->context->description );
}
if ( $this->add_breadcrumbs() ) {
$data['breadcrumb'] = [
'@id' => $this->context->canonical . Schema_IDs::BREADCRUMB_HASH,
];
}
$data = $this->helpers->schema->language->add_piece_language( $data );
$data = $this->add_potential_action( $data );
return $data;
}
/**
* Adds an author property to the $data if the WebPage is not represented.
*
* @param array $data The WebPage schema.
* @param WP_Post $post The post the context is representing.
*
* @return array The WebPage schema.
*/
public function add_author( $data, $post ) {
if ( $this->context->site_represents === false ) {
$data['author'] = [ '@id' => $this->helpers->schema->id->get_user_schema_id( $post->post_author, $this->context ) ];
}
return $data;
}
/**
* If we have an image, make it the primary image of the page.
*
* @param array $data WebPage schema data.
*/
public function add_image( &$data ) {
if ( $this->context->has_image ) {
$data['primaryImageOfPage'] = [ '@id' => $this->context->canonical . Schema_IDs::PRIMARY_IMAGE_HASH ];
}
}
/**
* Determine if we should add a breadcrumb attribute.
*
* @return bool
*/
private function add_breadcrumbs() {
if ( $this->context->indexable->object_type === 'home-page' || $this->helpers->current_page->is_home_static_page() ) {
return false;
}
if ( $this->context->breadcrumbs_enabled ) {
return true;
}
return false;
}
/**
* Adds the potential action property to the WebPage Schema piece.
*
* @param array $data The WebPage data.
*
* @return array $data The WebPage data with the potential action added.
*/
private function add_potential_action( $data ) {
if ( $this->context->generate_schema_page_type() !== 'WebPage' ) {
return $data;
}
/**
* Filter: 'wpseo_schema_webpage_potential_action_target' - Allows filtering of the schema WebPage potentialAction target.
*
* @api array $targets The URLs for the WebPage potentialAction target.
*/
$targets = \apply_filters( 'wpseo_schema_webpage_potential_action_target', [ $this->context->canonical ] );
$data['potentialAction'][] = [
'@type' => 'ReadAction',
'target' => $targets,
];
return $data;
}
}