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<?php
/**
* WordPress Post watcher.
*
* @package Yoast\YoastSEO\Watchers
*/
namespace Yoast\WP\Free\Watchers;
use Yoast\WP\Free\Exceptions\No_Indexable_Found;
use Yoast\WP\Free\Formatters\Indexable_Post_Formatter;
use Yoast\WP\Free\WordPress\Integration;
use Yoast\WP\Free\Models\Indexable;
/**
* Fills the Indexable according to Post data.
*/
class Indexable_Post_Watcher implements Integration {
/**
* Registers all hooks to WordPress.
*
* @return void
*/
public function register_hooks() {
\add_action( 'wp_insert_post', array( $this, 'save_meta' ), PHP_INT_MAX );
\add_action( 'delete_post', array( $this, 'delete_meta' ) );
}
/**
* Deletes the meta when a post is deleted.
*
* @param int $post_id Post ID.
*
* @return void
*/
public function delete_meta( $post_id ) {
try {
$indexable = $this->get_indexable( $post_id, false );
$indexable->delete_meta();
$indexable->delete();
} catch ( No_Indexable_Found $exception ) {
return;
}
}
/**
* Saves post meta.
*
* @param int $post_id Post ID.
*
* @return void
*/
public function save_meta( $post_id ) {
if ( ! $this->is_post_indexable( $post_id ) ) {
return;
}
try {
$indexable = $this->get_indexable( $post_id );
} catch ( No_Indexable_Found $exception ) {
return;
}
$formatter = $this->get_formatter( $post_id );
$indexable = $formatter->format( $indexable );
$indexable->save();
}
/**
* Fetches the indexable for a post.
*
* @codeCoverageIgnore
*
* @param int $post_id Post to fetch indexable for.
* @param bool $auto_create Optional. Create the indexable if it does not exist.
*
* @return Indexable
*
* @throws No_Indexable_Found Exception when no Indexable entry could be found.
*/
protected function get_indexable( $post_id, $auto_create = true ) {
$indexable = Indexable::find_by_id_and_type( $post_id, 'post', $auto_create );
if ( ! $indexable ) {
throw No_Indexable_Found::from_post_id( $post_id );
}
return $indexable;
}
/**
* Determines if the post can be indexed
*
* @codeCoverageIgnore
*
* @param int $post_id Post ID to check.
*
* @return bool True if the post can be indexed.
*/
protected function is_post_indexable( $post_id ) {
if ( \wp_is_post_revision( $post_id ) ) {
return false;
}
if ( \wp_is_post_autosave( $post_id ) ) {
return false;
}
return true;
}
/**
* Helper function to fetch post meta data from WordPress.
*
* @codeCoverageIgnore
*
* @param int $post_id Post to use.
*
* @return array|null Data found for the supplied post.
*/
protected function get_meta_data( $post_id ) {
return \get_post_meta( $post_id );
}
/**
* Returns formatter for given post.
*
* @codeCoverageIgnore
*
* @param int $post_id The post id.
*
* @return Indexable_Post_Formatter Instance.
*/
protected function get_formatter( $post_id ) {
return new Indexable_Post_Formatter( $post_id );
}
}