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<?php
// phpcs:disable Generic.Commenting.DocComment.MissingShort
/** @noinspection PhpUnnecessaryCurlyVarSyntaxInspection */
/** @noinspection SqlResolve */
// phpcs:enable Generic.Commenting.DocComment.MissingShort
namespace WPForms\Tasks\Actions;
use WP_Post;
use WP_Query;
use WP_Screen;
use WPForms\Forms\Locator;
use WPForms\Tasks\Meta;
use WPForms\Tasks\Task;
use WPForms\Tasks\Tasks;
/**
* Class FormLocatorScanTask.
*
* @since 1.7.4
*/
class FormsLocatorScanTask extends Task {
/**
* Scan action name for this task.
*
* @since 1.7.4
*/
const SCAN_ACTION = 'wpforms_process_forms_locator_scan';
/**
* Re-scan action name for this task.
*
* @since 1.7.4
*/
const RESCAN_ACTION = 'wpforms_process_forms_locator_rescan';
/**
* Save action name for this task.
*
* @since 1.7.4
*/
const SAVE_ACTION = 'wpforms_process_forms_locator_save';
/**
* Delete action name for this task.
*
* @since 1.7.4
*/
const DELETE_ACTION = 'wpforms_process_forms_locator_delete';
/**
* Scan status option name.
*
* @since 1.7.4
*/
const SCAN_STATUS = 'wpforms_process_forms_locator_status';
/**
* Scan status "In Progress".
*
* @since 1.7.4
*/
const SCAN_STATUS_IN_PROGRESS = 'in progress';
/**
* Scan status "Completed".
*
* @since 1.7.4
*/
const SCAN_STATUS_COMPLETED = 'completed';
/**
* Locations query arg.
*
* @since 1.7.4
*/
const LOCATIONS_QUERY_ARG = 'locations';
/**
* Chunk size to use in get_form_locations().
* Specifies how many posts to load for scanning in one db request.
* Affects memory usage.
*
* @since 1.7.4
*/
const CHUNK_SIZE = 50;
/**
* Locator class instance.
*
* @since 1.7.4
*
* @var Locator
*/
private $locator;
/**
* Tasks class instance.
*
* @since 1.7.4
*
* @var Tasks
*/
private $tasks;
/**
* Task recurring interval in seconds.
*
* @since 1.7.4
*
* @var int
*/
private $interval;
/**
* Log title.
*
* @since 1.9.1
*
* @var string
*/
protected $log_title = 'Forms Locator';
/**
* Class constructor.
*
* @since 1.7.4
*/
public function __construct() {
parent::__construct( self::SCAN_ACTION );
$this->init();
}
/**
* Initialize the task with all the proper checks.
*
* @since 1.7.4
*/
public function init() {
$this->locator = wpforms()->obj( 'locator' );
/**
* Allow developers to modify the task interval.
*
* @since 1.7.4
*
* @param int $interval The task recurring interval in seconds. If <= 0, the task will be cancelled.
*/
$this->interval = (int) apply_filters( 'wpforms_tasks_actions_forms_locator_scan_task_interval', DAY_IN_SECONDS );
$this->hooks();
$this->tasks = wpforms()->obj( 'tasks' );
// Do not add a new one if scheduled.
if ( $this->tasks->is_scheduled( self::SCAN_ACTION ) !== false ) {
if ( $this->interval <= 0 ) {
$this->cancel();
}
return;
}
$this->add_scan_task();
}
/**
* Add scan task.
*
* @since 1.7.4
*/
private function add_scan_task() {
if ( $this->interval <= 0 ) {
return;
}
// Add a new task if none exists.
$this->recurring( time(), $this->interval )
->params()
->register();
}
/**
* Add hooks.
*
* @since 1.7.4
*/
private function hooks() {
// Register hidden action for testing and support.
add_action( 'current_screen', [ $this, 'maybe_run_actions_in_admin' ] );
// Register Action Scheduler actions.
add_action( self::SCAN_ACTION, [ $this, 'scan' ] );
add_action( self::RESCAN_ACTION, [ $this, 'rescan' ] );
add_action( self::SAVE_ACTION, [ $this, 'save' ] );
add_action( self::DELETE_ACTION, [ $this, 'delete' ] );
add_action( 'action_scheduler_after_process_queue', [ $this, 'after_process_queue' ] );
}
/**
* Maybe rescan or delete locations.
* Hidden undocumented actions for tests and support.
*
* @since 1.7.4
*
* @param WP_Screen $current_screen Current WP_Screen object.
*/
public function maybe_run_actions_in_admin( $current_screen ) {
// phpcs:disable WordPress.Security.NonceVerification.Recommended
if (
! $current_screen ||
$current_screen->id !== 'toplevel_page_wpforms-overview' ||
! isset( $_GET[ self::LOCATIONS_QUERY_ARG ] ) ||
! wpforms_debug()
) {
return;
}
if ( $_GET[ self::LOCATIONS_QUERY_ARG ] === 'delete' ) {
$this->delete();
}
if ( $_GET[ self::LOCATIONS_QUERY_ARG ] === 'scan' ) {
$this->rescan();
}
// phpcs:enable WordPress.Security.NonceVerification.Recommended
wp_safe_redirect( remove_query_arg( [ self::LOCATIONS_QUERY_ARG ] ) );
exit;
}
/**
* Run scan task.
*
* @since 1.7.4
*/
public function scan() {
if ( ! $this->tasks ) {
return;
}
// Bail out if the scan is already in progress.
if ( self::SCAN_STATUS_IN_PROGRESS === (string) get_option( self::SCAN_STATUS ) ) {
return;
}
// Mark that scan is in progress.
update_option( self::SCAN_STATUS, self::SCAN_STATUS_IN_PROGRESS );
$this->log( 'Forms Locator scan action started.' );
// This part of the scan shouldn't take more than 1 second even on big sites.
$post_ids = $this->search_in_posts();
$post_locations = $this->get_form_locations( $post_ids );
$widget_locations = $this->locator->search_in_widgets();
$standalone_locations = $this->search_in_standalone_forms();
$locations = array_merge( $post_locations, $widget_locations, $standalone_locations );
$form_location_metas = $this->get_form_location_metas( $locations );
/**
* This part of the scan can take a while.
* Saving hundreds of metas with a potentially very high number of locations could be time and memory consuming.
* That is why we perform save via Action Scheduler.
*/
$meta_chunks = array_chunk( $form_location_metas, self::CHUNK_SIZE, true );
$count = count( $meta_chunks );
foreach ( $meta_chunks as $index => $meta_chunk ) {
$this->tasks->create( self::SAVE_ACTION )->async()->params( $meta_chunk, $index, $count )->register();
}
$this->log( 'Save tasks created.' );
}
/**
* Run immediate scan.
*
* @since 1.7.4
*/
public function rescan() {
$this->cancel();
$this->add_scan_task();
}
/**
* Save form locations.
*
* @since 1.7.4
*
* @param int $meta_id Action meta id.
*/
public function save( $meta_id ) {
$params = ( new Meta() )->get( $meta_id );
if ( ! $params ) {
return;
}
list( $meta_chunk, $index, $count ) = $params->data;
foreach ( $meta_chunk as $form_id => $meta ) {
update_post_meta( $form_id, Locator::LOCATIONS_META, $meta );
}
$this->log(
sprintf(
'Forms Locator save action %1$d/%2$d completed.',
$index + 1,
$count
)
);
}
/**
* Delete form locations.
*
* @since 1.7.4
*/
public function delete() {
global $wpdb;
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
$wpdb->query(
$wpdb->prepare(
"DELETE FROM $wpdb->postmeta WHERE meta_key = %s",
Locator::LOCATIONS_META
)
);
delete_option( self::SCAN_STATUS );
wp_cache_flush();
}
/**
* After process queue action.
* Delete transient to indicate that scanning is completed.
*
* @since 1.7.4
*/
public function after_process_queue() {
if ( $this->tasks->is_scheduled( self::SAVE_ACTION ) ) {
return;
}
// Mark that scan is finished.
if ( (string) get_option( self::SCAN_STATUS ) === self::SCAN_STATUS_IN_PROGRESS ) {
update_option( self::SCAN_STATUS, self::SCAN_STATUS_COMPLETED );
$this->log( 'Forms Locator scan action completed.' );
}
}
/**
* Search form in posts.
*
* @since 1.7.4
*
* @return int[]
*/
private function search_in_posts() {
global $wpdb;
$post_statuses = wpforms_wpdb_prepare_in( $this->locator->get_post_statuses() );
$post_types = wpforms_wpdb_prepare_in( $this->locator->get_post_types() );
// phpcs:disable WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.PreparedSQL.InterpolatedNotPrepared
$ids = $wpdb->get_col(
"SELECT p.ID
FROM (SELECT ID
FROM $wpdb->posts
WHERE post_status IN ( $post_statuses ) AND post_type IN ( $post_types ) ) AS ids
INNER JOIN $wpdb->posts as p ON ids.ID = p.ID
WHERE p.post_content REGEXP '\\\[wpforms|wpforms/form-selector'"
);
// phpcs:enable WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.PreparedSQL.InterpolatedNotPrepared
return array_map( 'intval', $ids );
}
/**
* Filters the SELECT clause of the query.
* Get a minimal set of fields from the post record.
*
* @since 1.7.4
*
* @param string $fields The SELECT clause of the query.
* @param WP_Query $query The WP_Query instance (passed by reference).
*
* @return string
*
* @noinspection PhpUnusedParameterInspection
*/
public function posts_fields_filter( $fields, $query ) {
global $wpdb;
$fields_arr = [ 'ID', 'post_title', 'post_status', 'post_type', 'post_content', 'post_name' ];
$fields_arr = array_map(
static function ( $field ) use ( $wpdb ) {
return "$wpdb->posts." . $field;
},
$fields_arr
);
return implode( ', ', $fields_arr );
}
/**
* Get form locations.
*
* @since 1.7.4
*
* @param int[] $post_ids Post IDs.
*
* @return array
*/
private function get_form_locations( $post_ids ) { // phpcs:ignore WPForms.PHP.HooksMethod.InvalidPlaceForAddingHooks
/**
* Block caching here, as caching produces unneeded db requests in
* update_object_term_cache() and update_postmeta_cache().
*/
$query_args = [
'post_type' => $this->locator->get_post_types(),
'post_status' => $this->locator->get_post_statuses(),
'post__in' => $post_ids,
'no_found_rows' => true,
'posts_per_page' => - 1,
'cache_results' => false,
];
// Get form locations by chunks to prevent out of memory issue.
$post_id_chunks = array_chunk( $post_ids, self::CHUNK_SIZE );
$locations = [];
add_filter( 'posts_fields', [ $this, 'posts_fields_filter' ], 10, 2 );
foreach ( $post_id_chunks as $post_id_chunk ) {
$query_args['post__in'] = $post_id_chunk;
$query = new WP_Query( $query_args );
$locations = $this->get_form_locations_from_posts( $query->posts, $locations );
}
remove_filter( 'posts_fields', [ $this, 'posts_fields_filter' ] );
return $locations;
}
/**
* Get locations from posts.
*
* @since 1.7.4
*
* @param WP_Post[] $posts Posts.
* @param array $locations Locations.
*
* @return array
*/
private function get_form_locations_from_posts( $posts, $locations = [] ) {
$home_url = home_url();
foreach ( $posts as $post ) {
$form_ids = $this->locator->get_form_ids( $post->post_content );
if ( ! $form_ids ) {
continue;
}
$url = get_permalink( $post );
$url = ( $url === false || is_wp_error( $url ) ) ? '' : $url;
$url = str_replace( $home_url, '', $url );
foreach ( $form_ids as $form_id ) {
$locations[] = [
'type' => $post->post_type,
'title' => $post->post_title,
'form_id' => $form_id,
'id' => $post->ID,
'status' => $post->post_status,
'url' => $url,
];
}
}
return $locations;
}
/**
* Search in standalone forms.
*
* @since 1.8.7
*
* @return array
*/
private function search_in_standalone_forms(): array {
global $wpdb;
$location_types = [];
foreach ( Locator::STANDALONE_LOCATION_TYPES as $location_type ) {
$location_types[] = '"' . $location_type . '_enable":"1"';
}
$regexp = implode( '|', $location_types );
$post_statuses = wpforms_wpdb_prepare_in( $this->locator->get_post_statuses() );
// phpcs:disable WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.PreparedSQL.InterpolatedNotPrepared
$standalone_forms = $wpdb->get_results(
"SELECT ID, post_content, post_status
FROM $wpdb->posts
WHERE post_status IN ( $post_statuses ) AND
post_type = 'wpforms' AND
post_content REGEXP '$regexp';"
);
// phpcs:enable WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.PreparedSQL.InterpolatedNotPrepared
$locations = [];
foreach ( $standalone_forms as $standalone_form ) {
$form_data = json_decode( $standalone_form->post_content, true );
$locations[] = $this->locator->build_standalone_location(
(int) $standalone_form->ID,
$form_data,
$standalone_form->post_status
);
}
return $locations;
}
/**
* Get form location metas.
*
* @param array $locations Locations.
*
* @since 1.7.4
*
* @return array
*/
private function get_form_location_metas( $locations ) {
$metas = [];
foreach ( $locations as $location ) {
if ( empty( $location['form_id'] ) ) {
continue;
}
$metas[ $location['form_id'] ][] = $location;
}
return $metas;
}
}
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