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<?php
/**
* Surface for the indexables.
*
* @package Yoast\YoastSEO\Surfaces
*/
namespace Yoast\WP\SEO\Surfaces;
use Yoast\WP\SEO\Surfaces\Values\Meta;
use Yoast\WP\SEO\Context\Meta_Tags_Context;
use Yoast\WP\SEO\Memoizers\Meta_Tags_Context_Memoizer;
use Yoast\WP\SEO\Repositories\Indexable_Repository;
use Yoast\WP\SEO\Wrappers\WP_Rewrite_Wrapper;
use YoastSEO_Vendor\Symfony\Component\DependencyInjection\ContainerInterface;
/**
* Meta_Surface class.
*/
class Meta_Surface {
/**
* @var ContainerInterface
*/
private $container;
/**
* @var Meta_Tags_Context_Memoizer
*/
private $context_memoizer;
/**
* @var Indexable_Repository
*/
private $repository;
/**
* @var WP_Rewrite_Wrapper
*/
private $wp_rewrite_wrapper;
/**
* Meta_Surface constructor.
*
* @param ContainerInterface $container The DI container.
* @param Meta_Tags_Context_Memoizer $context_memoizer The meta tags context memoizer.
* @param Indexable_Repository $indexable_repository The indexable repository.
* @param WP_Rewrite_Wrapper $wp_rewrite_wrapper The WP rewrite wrapper.
*/
public function __construct(
ContainerInterface $container,
Meta_Tags_Context_Memoizer $context_memoizer,
Indexable_Repository $indexable_repository,
WP_Rewrite_Wrapper $wp_rewrite_wrapper
) {
$this->container = $container;
$this->context_memoizer = $context_memoizer;
$this->repository = $indexable_repository;
$this->wp_rewrite_wrapper = $wp_rewrite_wrapper;
}
/**
* Returns the meta tags context for the current page.
*
* @return Meta The meta values.
*/
public function for_current_page() {
return $this->build_meta( $this->context_memoizer->for_current_page() );
}
/**
* Returns the meta tags context for the home page.
*
* @return Meta|false The meta values. False if none could be found.
*/
public function for_home_page() {
$front_page_id = \get_option( 'page_on_front' );
if ( \get_option( 'show_on_front' ) === 'page' && $front_page_id !== 0 ) {
$indexable = $this->repository->find_by_id_and_type( $front_page_id, 'post' );
if ( ! $indexable ) {
return false;
}
return $this->build_meta( $this->context_memoizer->get( $indexable, 'Static_Home_Page' ) );
}
$indexable = $this->repository->find_for_home_page();
if ( ! $indexable ) {
return false;
}
return $this->build_meta( $this->context_memoizer->get( $indexable, 'Home_Page' ) );
}
/**
* Returns the meta tags context for the posts page.
*
* @return Meta|false The meta values. False if none could be found.
*/
public function for_posts_page() {
$posts_page_id = (int) \get_option( 'page_for_posts' );
if ( $posts_page_id !== 0 ) {
$indexable = $this->repository->find_by_id_and_type( $posts_page_id, 'post' );
if ( ! $indexable ) {
return false;
}
return $this->build_meta( $this->context_memoizer->get( $indexable, 'Static_Posts_Page' ) );
}
$indexable = $this->repository->find_for_home_page();
if ( ! $indexable ) {
return false;
}
return $this->build_meta( $this->context_memoizer->get( $indexable, 'Home_Page' ) );
}
/**
* Returns the meta tags context for a post type archive.
*
* @param string $post_type Optional. The post type to get the archive meta for. Defaults to the current post type.
*
* @return Meta|false The meta values. False if none could be found.
*/
public function for_post_type_archive( $post_type = null ) {
if ( $post_type === null ) {
$post_type = \get_post_type();
}
$indexable = $this->repository->find_for_post_type_archive( $post_type );
if ( ! $indexable ) {
return false;
}
return $this->build_meta( $this->context_memoizer->get( $indexable, 'Post_Type_Archive' ) );
}
/**
* Returns the meta tags context for the search result page.
*
* @return Meta|false The meta values. False if none could be found.
*/
public function for_search_result() {
$indexable = $this->repository->find_for_system_page( 'search-result' );
if ( ! $indexable ) {
return false;
}
return $this->build_meta( $this->context_memoizer->get( $indexable, 'Search_Result_Page' ) );
}
/**
* Returns the meta tags context for the search result page.
*
* @return Meta|false The meta values. False if none could be found.
*/
public function for_404() {
$indexable = $this->repository->find_for_system_page( '404' );
if ( ! $indexable ) {
return false;
}
return $this->build_meta( $this->context_memoizer->get( $indexable, 'Error_Page' ) );
}
/**
* Returns the meta tags context for a post.
*
* @param int $id The ID of the post.
*
* @return Meta|false The meta values. False if none could be found.
*/
public function for_post( $id ) {
$indexable = $this->repository->find_by_id_and_type( $id, 'post' );
if ( ! $indexable ) {
return false;
}
return $this->build_meta( $this->context_memoizer->get( $indexable, 'Post_Type' ) );
}
/**
* Returns the meta tags context for a term.
*
* @param int $id The ID of the term.
*
* @return Meta|false The meta values. False if none could be found.
*/
public function for_term( $id ) {
$indexable = $this->repository->find_by_id_and_type( $id, 'term' );
if ( ! $indexable ) {
return false;
}
return $this->build_meta( $this->context_memoizer->get( $indexable, 'Term_Archive' ) );
}
/**
* Returns the meta tags context for an author.
*
* @param int $id The ID of the author.
*
* @return Meta|false The meta values. False if none could be found.
*/
public function for_author( $id ) {
$indexable = $this->repository->find_by_id_and_type( $id, 'user' );
if ( ! $indexable ) {
return false;
}
return $this->build_meta( $this->context_memoizer->get( $indexable, 'Author_Archive' ) );
}
/**
* Returns the meta tags context for a url.
*
* @param string $url The url of the page. Required to be relative to the site url.
*
* @return Meta|false The meta values. False if none could be found.
*/
public function for_url( $url ) {
$url_parts = \wp_parse_url( $url );
$site_parts = \wp_parse_url( \site_url() );
if ( $url_parts['host'] !== $site_parts['host'] ) {
return false;
}
// Ensure the scheme is consistent with values in the DB.
$url = $site_parts['scheme'] . '://' . $url_parts['host'] . $url_parts['path'];
if ( $this->is_date_archive_url( $url ) ) {
$indexable = $this->repository->find_for_date_archive();
}
else {
$indexable = $this->repository->find_by_permalink( $url );
}
// If we still don't have an indexable abort, the WP globals could be anything so we can't use the unknown indexable.
if ( ! $indexable ) {
return false;
}
$page_type = '';
switch ( $indexable->object_type ) {
case 'post':
$front_page_id = (int) \get_option( 'page_on_front' );
if ( $indexable->object_id === $front_page_id ) {
$page_type = 'Static_Home_Page';
break;
}
$posts_page_id = (int) \get_option( 'page_for_posts' );
if ( $indexable->object_id === $posts_page_id ) {
$page_type = 'Static_Posts_Page';
break;
}
$page_type = 'Post_Type';
break;
case 'term':
$page_type = 'Term_Archive';
break;
case 'user':
$page_type = 'Author_Archive';
break;
case 'home-page':
$page_type = 'Home_Page';
break;
case 'post-type-archive':
$page_type = 'Post_Type_Archive';
break;
case 'date-archive':
$page_type = 'Date_Archive';
break;
case 'system-page':
if ( $indexable->object_sub_type === 'search-result' ) {
$page_type = 'Search_Result_Page';
}
if ( $indexable->object_sub_type === '404' ) {
$page_type = 'Error_Page';
}
}
if ( empty( $page_type ) ) {
return false;
}
return $this->build_meta( $this->context_memoizer->get( $indexable, $page_type ) );
}
/**
* Checks if a given URL is a date archive URL.
*
* @param string $url The url.
*
* @return boolean
*/
protected function is_date_archive_url( $url ) {
$path = \wp_parse_url( $url, \PHP_URL_PATH );
$path = \ltrim( $path, '/' );
$wp_rewrite = $this->wp_rewrite_wrapper->get();
$date_rewrite = $wp_rewrite->generate_rewrite_rules( $wp_rewrite->get_date_permastruct(), \EP_DATE );
$date_rewrite = \apply_filters( 'date_rewrite_rules', $date_rewrite );
foreach ( (array) $date_rewrite as $match => $query ) {
if ( \preg_match( "#^$match#", $path ) ) {
return true;
}
}
return false;
}
/**
* Creates a new meta value object
*
* @param Meta_Tags_Context $context The meta tags context.
*
* @return Meta The meta value
*/
protected function build_meta( Meta_Tags_Context $context ) {
return new Meta( $context, $this->container );
}
}