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<?php
namespace Yoast\WP\SEO\Actions\Indexing;
/**
* Base class of indexing actions.
*/
abstract class Abstract_Indexing_Action implements Indexation_Action_Interface, Limited_Indexing_Action_Interface {
/**
* The transient name.
*
* This is a trick to force derived classes to define a transient themselves.
*
* @var string
*/
public const UNINDEXED_COUNT_TRANSIENT = null;
/**
* The transient cache key for limited counts.
*
* @var string
*/
public const UNINDEXED_LIMITED_COUNT_TRANSIENT = self::UNINDEXED_COUNT_TRANSIENT . '_limited';
/**
* Builds a query for selecting the ID's of unindexed posts.
*
* @param bool $limit The maximum number of post IDs to return.
*
* @return string The prepared query string.
*/
abstract protected function get_select_query( $limit );
/**
* Builds a query for counting the number of unindexed posts.
*
* @return string The prepared query string.
*/
abstract protected function get_count_query();
/**
* Returns a limited number of unindexed posts.
*
* @param int $limit Limit the maximum number of unindexed posts that are counted.
*
* @return int The limited number of unindexed posts. 0 if the query fails.
*/
public function get_limited_unindexed_count( $limit ) {
$transient = \get_transient( static::UNINDEXED_LIMITED_COUNT_TRANSIENT );
if ( $transient !== false ) {
return (int) $transient;
}
\set_transient( static::UNINDEXED_LIMITED_COUNT_TRANSIENT, 0, ( \MINUTE_IN_SECONDS * 15 ) );
$query = $this->get_select_query( $limit );
// phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared -- Function get_count_query returns a prepared query.
$unindexed_object_ids = ( $query === '' ) ? [] : $this->wpdb->get_col( $query );
$count = (int) \count( $unindexed_object_ids );
\set_transient( static::UNINDEXED_LIMITED_COUNT_TRANSIENT, $count, ( \MINUTE_IN_SECONDS * 15 ) );
return $count;
}
/**
* Returns the total number of unindexed posts.
*
* @return int|false The total number of unindexed posts. False if the query fails.
*/
public function get_total_unindexed() {
$transient = \get_transient( static::UNINDEXED_COUNT_TRANSIENT );
if ( $transient !== false ) {
return (int) $transient;
}
// Store transient before doing the query so multiple requests won't make multiple queries.
// Only store this for 15 minutes to ensure that if the query doesn't complete a wrong count is not kept too long.
\set_transient( static::UNINDEXED_COUNT_TRANSIENT, 0, ( \MINUTE_IN_SECONDS * 15 ) );
$query = $this->get_count_query();
// phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared -- Function get_count_query returns a prepared query.
$count = ( $query === '' ) ? 0 : $this->wpdb->get_var( $query );
if ( $count === null ) {
return false;
}
\set_transient( static::UNINDEXED_COUNT_TRANSIENT, $count, \DAY_IN_SECONDS );
/**
* Action: 'wpseo_indexables_unindexed_calculated' - sets an option to timestamp when there are no unindexed indexables left.
*
* @internal
*/
\do_action( 'wpseo_indexables_unindexed_calculated', static::UNINDEXED_COUNT_TRANSIENT, $count );
return (int) $count;
}
}