/home/arranoyd/www/wp-content/plugins/jetpack/modules/search/class.jetpack-search-helpers.php
<?php
/**
* Jetpack Search: Jetpack_Search_Helpers class
*
* @package Jetpack
* @subpackage Jetpack Search
* @since 5.8.0
*/
use Automattic\Jetpack\Constants;
require_once dirname( __FILE__ ) . '/class-jetpack-search-options.php';
/**
* Various helper functions for reuse throughout the Jetpack Search code.
*
* @since 5.8.0
*/
class Jetpack_Search_Helpers {
/**
* The search widget's base ID.
*
* @since 5.8.0
* @var string
*/
const FILTER_WIDGET_BASE = 'jetpack-search-filters';
/**
* Create a URL for the current search that doesn't include the "paged" parameter.
*
* @since 5.8.0
*
* @return string The search URL.
*/
static function get_search_url() {
$query_args = stripslashes_deep( $_GET );
// Handle the case where a permastruct is being used, such as /search/{$query}
if ( ! isset( $query_args['s'] ) ) {
$query_args['s'] = get_search_query();
}
if ( isset( $query_args['paged'] ) ) {
unset( $query_args['paged'] );
}
$query = http_build_query( $query_args );
return home_url( "?{$query}" );
}
/**
* Wraps add_query_arg() with the URL defaulting to the current search URL.
*
* @see add_query_arg()
*
* @since 5.8.0
*
* @param string|array $key Either a query variable key, or an associative array of query variables.
* @param string $value Optional. A query variable value.
* @param bool|string $url Optional. A URL to act upon. Defaults to the current search URL.
*
* @return string New URL query string (unescaped).
*/
static function add_query_arg( $key, $value = false, $url = false ) {
$url = empty( $url ) ? self::get_search_url() : $url;
if ( is_array( $key ) ) {
return add_query_arg( $key, $url );
}
return add_query_arg( $key, $value, $url );
}
/**
* Wraps remove_query_arg() with the URL defaulting to the current search URL.
*
* @see remove_query_arg()
*
* @since 5.8.0
*
* @param string|array $key Query key or keys to remove.
* @param bool|string $query Optional. A URL to act upon. Defaults to the current search URL.
*
* @return string New URL query string (unescaped).
*/
static function remove_query_arg( $key, $url = false ) {
$url = empty( $url ) ? self::get_search_url() : $url;
return remove_query_arg( $key, $url );
}
/**
* Returns the name of the search widget's option.
*
* @since 5.8.0
*
* @return string The search widget option name.
*/
static function get_widget_option_name() {
return sprintf( 'widget_%s', self::FILTER_WIDGET_BASE );
}
/**
* Returns the search widget instances from the widget's option.
*
* @since 5.8.0
*
* @return array The widget options.
*/
static function get_widgets_from_option() {
$widget_options = get_option( self::get_widget_option_name(), array() );
// We don't need this
if ( ! empty( $widget_options ) && isset( $widget_options['_multiwidget'] ) ) {
unset( $widget_options['_multiwidget'] );
}
return $widget_options;
}
/**
* Returns the widget ID (widget base plus the numeric ID).
*
* @param int $number The widget's numeric ID.
*
* @return string The widget's numeric ID prefixed with the search widget base.
*/
static function build_widget_id( $number ) {
return sprintf( '%s-%d', self::FILTER_WIDGET_BASE, $number );
}
/**
* Wrapper for is_active_widget() with the other parameters automatically supplied.
*
* @see is_active_widget()
*
* @since 5.8.0
*
* @param int $widget_id Widget ID.
*
* @return bool Whether the widget is active or not.
*/
static function is_active_widget( $widget_id ) {
return (bool) is_active_widget( false, $widget_id, self::FILTER_WIDGET_BASE, true );
}
/**
* Returns an array of the filters from all active search widgets.
*
* @since 5.8.0
*
* @param array|null $whitelisted_widget_ids array of whitelisted widget IDs.
*
* @return array Active filters.
*/
public static function get_filters_from_widgets( $whitelisted_widget_ids = null ) {
$filters = array();
$widget_options = self::get_widgets_from_option();
if ( empty( $widget_options ) ) {
return $filters;
}
foreach ( (array) $widget_options as $number => $settings ) {
$widget_id = self::build_widget_id( $number );
if ( ! self::is_active_widget( $widget_id ) || empty( $settings['filters'] ) ) {
continue;
}
if ( isset( $whitelisted_widget_ids ) && ! in_array( $widget_id, $whitelisted_widget_ids, true ) ) {
continue;
}
foreach ( (array) $settings['filters'] as $widget_filter ) {
$widget_filter['widget_id'] = $widget_id;
if ( empty( $widget_filter['name'] ) ) {
$widget_filter['name'] = self::generate_widget_filter_name( $widget_filter );
}
$key = sprintf( '%s_%d', $widget_filter['type'], count( $filters ) );
$filters[ $key ] = $widget_filter;
}
}
return $filters;
}
/**
* Get the localized default label for a date filter.
*
* @since 5.8.0
*
* @param string $type Date type, either year or month.
* @param bool $is_updated Whether the filter was updated or not (adds "Updated" to the end).
*
* @return string The filter label.
*/
static function get_date_filter_type_name( $type, $is_updated = false ) {
switch ( $type ) {
case 'year':
$string = ( $is_updated )
? esc_html_x( 'Year Updated', 'label for filtering posts', 'jetpack' )
: esc_html_x( 'Year', 'label for filtering posts', 'jetpack' );
break;
case 'month':
default:
$string = ( $is_updated )
? esc_html_x( 'Month Updated', 'label for filtering posts', 'jetpack' )
: esc_html_x( 'Month', 'label for filtering posts', 'jetpack' );
break;
}
return $string;
}
/**
* Creates a default name for a filter. Used when the filter label is blank.
*
* @since 5.8.0
*
* @param array $widget_filter The filter to generate the title for.
*
* @return string The suggested filter name.
*/
static function generate_widget_filter_name( $widget_filter ) {
$name = '';
switch ( $widget_filter['type'] ) {
case 'post_type':
$name = _x( 'Post Types', 'label for filtering posts', 'jetpack' );
break;
case 'date_histogram':
$modified_fields = array(
'post_modified',
'post_modified_gmt',
);
switch ( $widget_filter['interval'] ) {
case 'year':
$name = self::get_date_filter_type_name(
'year',
in_array( $widget_filter['field'], $modified_fields )
);
break;
case 'month':
default:
$name = self::get_date_filter_type_name(
'month',
in_array( $widget_filter['field'], $modified_fields )
);
break;
}
break;
case 'taxonomy':
$tax = get_taxonomy( $widget_filter['taxonomy'] );
if ( ! $tax ) {
break;
}
if ( isset( $tax->label ) ) {
$name = $tax->label;
} elseif ( isset( $tax->labels ) && isset( $tax->labels->name ) ) {
$name = $tax->labels->name;
}
break;
}
return $name;
}
/**
* Whether we should rerun a search in the customizer preview or not.
*
* @since 5.8.0
*
* @return bool
*/
static function should_rerun_search_in_customizer_preview() {
// Only update when in a customizer preview and data is being posted.
// Check for $_POST removes an extra update when the customizer loads.
//
// Note: We use $GLOBALS['wp_customize'] here instead of is_customize_preview() to support unit tests.
if ( ! isset( $GLOBALS['wp_customize'] ) || ! $GLOBALS['wp_customize']->is_preview() || empty( $_POST ) ) {
return false;
}
return true;
}
/**
* Since PHP's built-in array_diff() works by comparing the values that are in array 1 to the other arrays,
* if there are less values in array 1, it's possible to get an empty diff where one might be expected.
*
* @since 5.8.0
*
* @param array $array_1
* @param array $array_2
*
* @return array
*/
static function array_diff( $array_1, $array_2 ) {
// If the array counts are the same, then the order doesn't matter. If the count of
// $array_1 is higher than $array_2, that's also fine. If the count of $array_2 is higher,
// we need to swap the array order though.
if ( count( $array_1 ) !== count( $array_2 ) && count( $array_2 ) > count( $array_1 ) ) {
$temp = $array_1;
$array_1 = $array_2;
$array_2 = $temp;
}
// Disregard keys
return array_values( array_diff( $array_1, $array_2 ) );
}
/**
* Given the widget instance, will return true when selected post types differ from searchable post types.
*
* @since 5.8.0
*
* @param array $post_types An array of post types.
*
* @return bool
*/
static function post_types_differ_searchable( $post_types ) {
if ( empty( $post_types ) ) {
return false;
}
$searchable_post_types = get_post_types( array( 'exclude_from_search' => false ) );
$diff_of_searchable = self::array_diff( $searchable_post_types, (array) $post_types );
return ! empty( $diff_of_searchable );
}
/**
* Given the array of post types, will return true when these differ from the current search query.
*
* @since 5.8.0
*
* @param array $post_types An array of post types.
*
* @return bool
*/
static function post_types_differ_query( $post_types ) {
if ( empty( $post_types ) ) {
return false;
}
if ( empty( $_GET['post_type'] ) ) {
$post_types_from_query = array();
} elseif ( is_array( $_GET['post_type'] ) ) {
$post_types_from_query = $_GET['post_type'];
} else {
$post_types_from_query = (array) explode( ',', $_GET['post_type'] );
}
$post_types_from_query = array_map( 'trim', $post_types_from_query );
$diff_query = self::array_diff( (array) $post_types, $post_types_from_query );
return ! empty( $diff_query );
}
/**
* Determine what Tracks value should be used when updating a widget.
*
* @since 5.8.0
*
* @param mixed $old_value The old option value.
* @param mixed $new_value The new option value.
*
* @return array|false False if the widget wasn't updated, otherwise an array of the Tracks action and widget properties.
*/
static function get_widget_tracks_value( $old_value, $new_value ) {
$old_value = (array) $old_value;
if ( isset( $old_value['_multiwidget'] ) ) {
unset( $old_value['_multiwidget'] );
}
$new_value = (array) $new_value;
if ( isset( $new_value['_multiwidget'] ) ) {
unset( $new_value['_multiwidget'] );
}
$old_keys = array_keys( $old_value );
$new_keys = array_keys( $new_value );
if ( count( $new_keys ) > count( $old_keys ) ) { // This is the case for a widget being added
$diff = self::array_diff( $new_keys, $old_keys );
$action = 'widget_added';
$widget = empty( $diff ) || ! isset( $new_value[ $diff[0] ] )
? false
: $new_value[ $diff[0] ];
} elseif ( count( $old_keys ) > count( $new_keys ) ) { // This is the case for a widget being deleted
$diff = self::array_diff( $old_keys, $new_keys );
$action = 'widget_deleted';
$widget = empty( $diff ) || ! isset( $old_value[ $diff[0] ] )
? false
: $old_value[ $diff[0] ];
} else {
$action = 'widget_updated';
$widget = false;
// This is a bit crazy. Since there can be multiple widgets stored in a single option,
// we need to diff the old and new values to figure out which widget was updated.
foreach ( $new_value as $key => $new_instance ) {
if ( ! isset( $old_value[ $key ] ) ) {
continue;
}
$old_instance = $old_value[ $key ];
// First, let's test the keys of each instance
$diff = self::array_diff( array_keys( $new_instance ), array_keys( $old_instance ) );
if ( ! empty( $diff ) ) {
$widget = $new_instance;
break;
}
// Next, lets's loop over each value and compare it
foreach ( $new_instance as $k => $v ) {
if ( is_scalar( $v ) && (string) $v !== (string) $old_instance[ $k ] ) {
$widget = $new_instance;
break;
}
if ( 'filters' == $k ) {
if ( count( $new_instance['filters'] ) != count( $old_instance['filters'] ) ) {
$widget = $new_instance;
break;
}
foreach ( $v as $filter_key => $new_filter_value ) {
$diff = self::array_diff( $new_filter_value, $old_instance['filters'][ $filter_key ] );
if ( ! empty( $diff ) ) {
$widget = $new_instance;
break;
}
}
}
}
}
}
if ( empty( $action ) || empty( $widget ) ) {
return false;
}
return array(
'action' => $action,
'widget' => self::get_widget_properties_for_tracks( $widget ),
);
}
/**
* Creates the widget properties for sending to Tracks.
*
* @since 5.8.0
*
* @param array $widget The widget instance.
*
* @return array The widget properties.
*/
static function get_widget_properties_for_tracks( $widget ) {
$sanitized = array();
foreach ( (array) $widget as $key => $value ) {
if ( '_multiwidget' == $key ) {
continue;
}
if ( is_scalar( $value ) ) {
$key = str_replace( '-', '_', sanitize_key( $key ) );
$key = "widget_{$key}";
$sanitized[ $key ] = $value;
}
}
$filters_properties = ! empty( $widget['filters'] )
? self::get_filter_properties_for_tracks( $widget['filters'] )
: array();
return array_merge( $sanitized, $filters_properties );
}
/**
* Creates the filter properties for sending to Tracks.
*
* @since 5.8.0
*
* @param array $filters An array of filters.
*
* @return array The filter properties.
*/
static function get_filter_properties_for_tracks( $filters ) {
if ( empty( $filters ) ) {
return $filters;
}
$filters_properties = array(
'widget_filter_count' => count( $filters ),
);
foreach ( $filters as $filter ) {
if ( empty( $filter['type'] ) ) {
continue;
}
$key = sprintf( 'widget_filter_type_%s', $filter['type'] );
if ( isset( $filters_properties[ $key ] ) ) {
$filters_properties[ $key ] ++;
} else {
$filters_properties[ $key ] = 1;
}
}
return $filters_properties;
}
/**
* Gets the active post types given a set of filters.
*
* @since 5.8.0
*
* @param array $filters The active filters for the current query.
*
* @return array The active post types.
*/
public static function get_active_post_types( $filters ) {
$active_post_types = array();
foreach ( $filters as $item ) {
if ( ( 'post_type' == $item['type'] ) && isset( $item['query_vars']['post_type'] ) ) {
$active_post_types[] = $item['query_vars']['post_type'];
}
}
return $active_post_types;
}
/**
* Sets active to false on all post type buckets.
*
* @since 5.8.0
*
* @param array $filters The available filters for the current query.
*
* @return array The filters for the current query with modified active field.
*/
public static function remove_active_from_post_type_buckets( $filters ) {
$modified = $filters;
foreach ( $filters as $key => $filter ) {
if ( 'post_type' === $filter['type'] && ! empty( $filter['buckets'] ) ) {
foreach ( $filter['buckets'] as $k => $bucket ) {
$bucket['active'] = false;
$modified[ $key ]['buckets'][ $k ] = $bucket;
}
}
}
return $modified;
}
/**
* Given a url and an array of post types, will ensure that the post types are properly applied to the URL as args.
*
* @since 5.8.0
*
* @param string $url The URL to add post types to.
* @param array $post_types An array of post types that should be added to the URL.
*
* @return string The URL with added post types.
*/
public static function add_post_types_to_url( $url, $post_types ) {
$url = Jetpack_Search_Helpers::remove_query_arg( 'post_type', $url );
if ( empty( $post_types ) ) {
return $url;
}
$url = Jetpack_Search_Helpers::add_query_arg(
'post_type',
implode( ',', $post_types ),
$url
);
return $url;
}
/**
* Since we provide support for the widget restricting post types by adding the selected post types as
* active filters, if removing a post type filter would result in there no longer be post_type args in the URL,
* we need to be sure to add them back.
*
* @since 5.8.0
*
* @param array $filters An array of possible filters for the current query.
* @param array $post_types The post types to ensure are on the link.
*
* @return array The updated array of filters with post typed added to the remove URLs.
*/
public static function ensure_post_types_on_remove_url( $filters, $post_types ) {
$modified = $filters;
foreach ( (array) $filters as $filter_key => $filter ) {
if ( 'post_type' !== $filter['type'] || empty( $filter['buckets'] ) ) {
$modified[ $filter_key ] = $filter;
continue;
}
foreach ( (array) $filter['buckets'] as $bucket_key => $bucket ) {
if ( empty( $bucket['remove_url'] ) ) {
continue;
}
$parsed = wp_parse_url( $bucket['remove_url'] );
if ( ! $parsed ) {
continue;
}
$query = array();
if ( ! empty( $parsed['query'] ) ) {
wp_parse_str( $parsed['query'], $query );
}
if ( empty( $query['post_type'] ) ) {
$modified[ $filter_key ]['buckets'][ $bucket_key ]['remove_url'] = self::add_post_types_to_url(
$bucket['remove_url'],
$post_types
);
}
}
}
return $modified;
}
/**
* Wraps a WordPress filter called "jetpack_search_disable_widget_filters" that allows
* developers to disable filters supplied by the search widget. Useful if filters are
* being defined at the code level.
*
* @since 5.8.0
*
* @return bool
*/
public static function are_filters_by_widget_disabled() {
/**
* Allows developers to disable filters being set by widget, in favor of manually
* setting filters via `Jetpack_Search::set_filters()`.
*
* @module search
*
* @since 5.7.0
*
* @param bool false
*/
return apply_filters( 'jetpack_search_disable_widget_filters', false );
}
/**
* Returns the maximum posts per page for a search query.
*
* @since 5.8.0
*
* @return int
*/
public static function get_max_posts_per_page() {
return Jetpack_Search_Options::site_has_vip_index() ? 1000 : 100;
}
/**
* Returns the maximum offset for a search query.
*
* @since 5.8.0
*
* @return int
*/
public static function get_max_offset() {
return Jetpack_Search_Options::site_has_vip_index() ? 9000 : 1000;
}
/**
* Returns the maximum offset for a search query.
*
* @since 8.4.0
* @param string $locale A potentially valid locale string.
*
* @return bool
*/
public static function is_valid_locale( $locale ) {
if ( ! class_exists( 'GP_Locales' ) ) {
if ( defined( 'JETPACK__GLOTPRESS_LOCALES_PATH' ) && file_exists( JETPACK__GLOTPRESS_LOCALES_PATH ) ) {
require JETPACK__GLOTPRESS_LOCALES_PATH;
} else {
// Assume locale to be valid if we can't check with GlotPress.
return true;
}
}
return false !== GP_Locales::by_field( 'wp_locale', $locale );
}
}