namespace Yoast\WP\SEO\Helpers;
use Yoast\WP\SEO\Actions\Indexing\Indexable_General_Indexation_Action;
use Yoast\WP\SEO\Actions\Indexing\Indexable_Post_Indexation_Action;
use Yoast\WP\SEO\Actions\Indexing\Indexable_Post_Type_Archive_Indexation_Action;
use Yoast\WP\SEO\Actions\Indexing\Indexable_Term_Indexation_Action;
use Yoast\WP\SEO\Actions\Indexing\Indexation_Action_Interface;
use Yoast\WP\SEO\Actions\Indexing\Limited_Indexing_Action_Interface;
use Yoast\WP\SEO\Actions\Indexing\Post_Link_Indexing_Action;
use Yoast\WP\SEO\Actions\Indexing\Term_Link_Indexing_Action;
use Yoast\WP\SEO\Config\Indexing_Reasons;
use Yoast\WP\SEO\Integrations\Admin\Indexing_Notification_Integration;
use Yoast_Notification_Center;
* A helper object for indexing.
protected $options_helper;
* The notification center.
* @var Yoast_Notification_Center
protected $notification_center;
* The indexation actions.
* @var Indexation_Action_Interface[]|Limited_Indexing_Action_Interface[]
protected $indexing_actions;
* Indexing_Helper constructor.
* @param Options_Helper $options_helper The options helper.
* @param Date_Helper $date_helper The date helper.
* @param Yoast_Notification_Center $notification_center The notification center.
public function __construct(
Options_Helper $options_helper,
Date_Helper $date_helper,
Yoast_Notification_Center $notification_center
$this->options_helper = $options_helper;
$this->date_helper = $date_helper;
$this->notification_center = $notification_center;
* @param Indexable_Post_Indexation_Action $post_indexation The post indexing action.
* @param Indexable_Term_Indexation_Action $term_indexation The term indexing action.
* @param Indexable_Post_Type_Archive_Indexation_Action $post_type_archive_indexation The posttype indexing action.
* @param Indexable_General_Indexation_Action $general_indexation The general indexing (homepage etc) action.
* @param Post_Link_Indexing_Action $post_link_indexing_action The post crosslink indexing action.
* @param Term_Link_Indexing_Action $term_link_indexing_action The term crossling indexing action.
public function set_indexing_actions(
Indexable_Post_Indexation_Action $post_indexation,
Indexable_Term_Indexation_Action $term_indexation,
Indexable_Post_Type_Archive_Indexation_Action $post_type_archive_indexation,
Indexable_General_Indexation_Action $general_indexation,
Post_Link_Indexing_Action $post_link_indexing_action,
Term_Link_Indexing_Action $term_link_indexing_action
$this->indexing_actions = [
$post_type_archive_indexation,
$post_link_indexing_action,
$term_link_indexing_action,
* Sets several database options when the indexing process is started.
* @deprecated 17.4 This method was renamed to prepare for internal consistency.
public function start() {
* Prepares the indexing process by setting several database options and removing the indexing notification.
public function prepare() {
$this->set_first_time( false );
$this->set_started( $this->date_helper->current_time() );
$this->remove_indexing_notification();
// Do not set_reason here; if the process is cancelled, the reason to start indexing is still valid.
* Sets several database options when the indexing process is finished.
* @deprecated 17.4 This method was renamed to complete for internal consistency.
public function finish() {
* Sets several database options when the indexing process is finished.
public function complete() {
$this->set_started( null );
* Sets appropriate flags when the indexing process fails.
public function indexing_failed() {
$this->set_reason( Indexing_Reasons::REASON_INDEXING_FAILED );
$this->set_started( null );
* Sets the indexing reason.
* @param string $reason The indexing reason.
public function set_reason( $reason ) {
$this->options_helper->set( 'indexing_reason', $reason );
$this->remove_indexing_notification();
* Removes any pre-existing notification, so that a new notification (with a possible new reason) can be added.
protected function remove_indexing_notification() {
$this->notification_center->remove_notification_by_id(
Indexing_Notification_Integration::NOTIFICATION_ID
* Determines whether an indexing reason has been set in the options.
* @return bool Whether an indexing reason has been set in the options.
public function has_reason() {
$reason = $this->get_reason();
return ! empty( $reason );
* Returns the indexing reason. The reason why the site-wide indexing process should be run.
* @return string The indexing reason, defaults to the empty string if no reason has been set.
public function get_reason() {
return $this->options_helper->get( 'indexing_reason', '' );
* Sets the start time when the indexing process has started but not completed.
* @param int|bool $timestamp The start time when the indexing process has started but not completed, false otherwise.
public function set_started( $timestamp ) {
$this->options_helper->set( 'indexing_started', $timestamp );
* Gets the start time when the indexing process has started but not completed.
* @return int|bool The start time when the indexing process has started but not completed, false otherwise.
public function get_started() {
return $this->options_helper->get( 'indexing_started' );
* Sets a boolean that indicates whether or not a site still has to be indexed for the first time.
* @param bool $is_first_time_indexing Whether or not a site still has to be indexed for the first time.
public function set_first_time( $is_first_time_indexing ) {
$this->options_helper->set( 'indexing_first_time', $is_first_time_indexing );
* Gets a boolean that indicates whether or not the site still has to be indexed for the first time.
* @return bool Whether the site still has to be indexed for the first time.
public function is_initial_indexing() {
return $this->options_helper->get( 'indexing_first_time', true );
* Returns the total number of unindexed objects.
* @return int The total number of unindexed objects.
public function get_unindexed_count() {
foreach ( $this->indexing_actions as $indexing_action ) {
$unindexed_count += $indexing_action->get_total_unindexed();
* Returns the total number of unindexed objects and applies a filter for third party integrations.
* @return int The total number of unindexed objects.
public function get_filtered_unindexed_count() {
$unindexed_count = $this->get_unindexed_count();
* Filter: 'wpseo_indexing_get_unindexed_count' - Allow changing the amount of unindexed objects.
* @param int $unindexed_count The amount of unindexed objects.
return \apply_filters( 'wpseo_indexing_get_unindexed_count', $unindexed_count );
* Returns a limited number of unindexed objects.
* @param int $limit Limit the number of unindexed objects that are counted.
* @return int The total number of unindexed objects.
public function get_limited_unindexed_count( $limit ) {
foreach ( $this->indexing_actions as $indexing_action ) {
$unindexed_count += $indexing_action->get_limited_unindexed_count( $limit - $unindexed_count + 1 );
if ( $unindexed_count > $limit ) {
* Returns the total number of unindexed objects and applies a filter for third party integrations.
* @param int $limit Limit the number of unindexed objects that are counted.
* @return int The total number of unindexed objects.
public function get_limited_filtered_unindexed_count( $limit ) {
$unindexed_count = $this->get_limited_unindexed_count( $limit );
if ( $unindexed_count > $limit ) {
* Filter: 'wpseo_indexing_get_limited_unindexed_count' - Allow changing the amount of unindexed objects,
* and allow for a maximum number of items counted to improve performance.
* @param int $unindexed_count The amount of unindexed objects.
* @param int|false $limit Limit the number of unindexed objects that need to be counted.
* False if it doesn't need to be limited.
return \apply_filters( 'wpseo_indexing_get_limited_unindexed_count', $unindexed_count, $limit );