/
class-jetpack-instant-search.php
609 lines (536 loc) · 19 KB
/
class-jetpack-instant-search.php
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<?php
/**
* Jetpack Search: Instant Front-End Search and Filtering
*
* @since 8.3.0
* @package jetpack
*/
/**
* Class to load Instant Search experience on the site.
*
* @since 8.3.0
*/
class Jetpack_Instant_Search extends Jetpack_Search {
/**
* Loads the php for this version of search
*
* @since 8.3.0
*/
public function load_php() {
$this->base_load_php();
if ( class_exists( 'WP_Customize_Manager' ) ) {
require_once __DIR__ . '/class-jetpack-search-customize.php';
new Jetpack_Search_Customize();
}
}
/**
* Setup the various hooks needed for the plugin to take over search duties.
*
* @since 5.0.0
*/
public function init_hooks() {
if ( ! is_admin() ) {
add_filter( 'posts_pre_query', array( $this, 'filter__posts_pre_query' ), 10, 2 );
add_action( 'parse_query', array( $this, 'action__parse_query' ), 10, 1 );
add_action( 'init', array( $this, 'set_filters_from_widgets' ) );
add_action( 'wp_enqueue_scripts', array( $this, 'load_assets' ) );
add_action( 'wp_footer', array( $this, 'print_instant_search_sidebar' ) );
} else {
add_action( 'update_option', array( $this, 'track_widget_updates' ), 10, 3 );
}
add_action( 'widgets_init', array( $this, 'register_jetpack_instant_sidebar' ) );
add_action( 'jetpack_deactivate_module_search', array( $this, 'move_search_widgets_to_inactive' ) );
}
/**
* Loads assets for Jetpack Instant Search Prototype featuring Search As You Type experience.
*/
public function load_assets() {
$script_relative_path = '_inc/build/instant-search/jp-search.bundle.js';
$style_relative_path = '_inc/build/instant-search/jp-search.bundle.css';
if ( ! file_exists( JETPACK__PLUGIN_DIR . $script_relative_path ) || ! file_exists( JETPACK__PLUGIN_DIR . $style_relative_path ) ) {
return;
}
$script_version = Jetpack_Search_Helpers::get_asset_version( $script_relative_path );
$script_path = plugins_url( $script_relative_path, JETPACK__PLUGIN_FILE );
wp_enqueue_script( 'jetpack-instant-search', $script_path, array(), $script_version, true );
wp_set_script_translations( 'jetpack-instant-search', 'jetpack' );
$this->load_and_initialize_tracks();
$this->inject_javascript_options();
$style_version = Jetpack_Search_Helpers::get_asset_version( $style_relative_path );
$style_path = plugins_url( $style_relative_path, JETPACK__PLUGIN_FILE );
wp_enqueue_style( 'jetpack-instant-search', $style_path, array(), $style_version );
}
/**
* Passes all options to the JS app.
*/
protected function inject_javascript_options() {
$widget_options = Jetpack_Search_Helpers::get_widgets_from_option();
if ( is_array( $widget_options ) ) {
$widget_options = end( $widget_options );
}
$overlay_widget_ids = is_active_sidebar( 'jetpack-instant-search-sidebar' ) ?
wp_get_sidebars_widgets()['jetpack-instant-search-sidebar'] : array();
$filters = Jetpack_Search_Helpers::get_filters_from_widgets();
$widgets = array();
$widgets_outside_overlay = array();
foreach ( $filters as $key => &$filter ) {
$filter['filter_id'] = $key;
if ( in_array( $filter['widget_id'], $overlay_widget_ids, true ) ) {
if ( ! isset( $widgets[ $filter['widget_id'] ] ) ) {
$widgets[ $filter['widget_id'] ]['filters'] = array();
$widgets[ $filter['widget_id'] ]['widget_id'] = $filter['widget_id'];
}
$widgets[ $filter['widget_id'] ]['filters'][] = $filter;
} else {
if ( ! isset( $widgets_outside_overlay[ $filter['widget_id'] ] ) ) {
$widgets_outside_overlay[ $filter['widget_id'] ]['filters'] = array();
$widgets_outside_overlay[ $filter['widget_id'] ]['widget_id'] = $filter['widget_id'];
}
$widgets_outside_overlay[ $filter['widget_id'] ]['filters'][] = $filter;
}
}
unset( $filter );
$post_type_objs = get_post_types( array( 'exclude_from_search' => false ), 'objects' );
$post_type_labels = array();
foreach ( $post_type_objs as $key => $obj ) {
$post_type_labels[ $key ] = array(
'singular_name' => $obj->labels->singular_name,
'name' => $obj->labels->name,
);
}
$prefix = Jetpack_Search_Options::OPTION_PREFIX;
$posts_per_page = (int) get_option( 'posts_per_page' );
if ( ( $posts_per_page > 20 ) || ( $posts_per_page <= 0 ) ) {
$posts_per_page = 20;
}
$excluded_post_types = get_option( $prefix . 'excluded_post_types' ) ? explode( ',', get_option( $prefix . 'excluded_post_types', '' ) ) : array();
$post_types = array_values(
get_post_types(
array(
'exclude_from_search' => false,
'public' => true,
)
)
);
$unexcluded_post_types = array_diff( $post_types, $excluded_post_types );
// NOTE: If all post types are being excluded, ignore the option value.
if ( count( $unexcluded_post_types ) === 0 ) {
$excluded_post_types = array();
}
$options = array(
'overlayOptions' => array(
'colorTheme' => get_option( $prefix . 'color_theme', 'light' ),
'enableInfScroll' => get_option( $prefix . 'inf_scroll', '1' ) === '1',
'enableSort' => get_option( $prefix . 'enable_sort', '1' ) === '1',
'highlightColor' => get_option( $prefix . 'highlight_color', '#FFC' ),
'opacity' => (int) get_option( $prefix . 'opacity', 97 ),
'overlayTrigger' => get_option( $prefix . 'overlay_trigger', 'immediate' ),
'resultFormat' => get_option( $prefix . 'result_format', 'minimal' ),
'showPoweredBy' => get_option( $prefix . 'show_powered_by', '1' ) === '1',
),
// core config.
'homeUrl' => home_url(),
'locale' => str_replace( '_', '-', Jetpack_Search_Helpers::is_valid_locale( get_locale() ) ? get_locale() : 'en_US' ),
'postsPerPage' => $posts_per_page,
'siteId' => $this->jetpack_blog_id,
'postTypes' => $post_type_labels,
'webpackPublicPath' => plugins_url( '_inc/build/instant-search/', JETPACK__PLUGIN_FILE ),
// config values related to private site support.
'apiRoot' => esc_url_raw( rest_url() ),
'apiNonce' => wp_create_nonce( 'wp_rest' ),
'isPrivateSite' => '-1' === get_option( 'blog_public' ),
'isWpcom' => defined( 'IS_WPCOM' ) && IS_WPCOM,
// search options.
'defaultSort' => get_option( $prefix . 'default_sort', 'relevance' ),
'excludedPostTypes' => $excluded_post_types,
// widget info.
'hasOverlayWidgets' => count( $overlay_widget_ids ) > 0,
'widgets' => array_values( $widgets ),
'widgetsOutsideOverlay' => array_values( $widgets_outside_overlay ),
);
/**
* Customize Instant Search Options.
*
* @module search
*
* @since 7.7.0
*
* @param array $options Array of parameters used in Instant Search queries.
*/
$options = apply_filters( 'jetpack_instant_search_options', $options );
// Use wp_add_inline_script instead of wp_localize_script, see https://core.trac.wordpress.org/ticket/25280.
wp_add_inline_script( 'jetpack-instant-search', 'var JetpackInstantSearchOptions=JSON.parse(decodeURIComponent("' . rawurlencode( wp_json_encode( $options ) ) . '"));', 'before' );
}
/**
* Registers a widget sidebar for Instant Search.
*/
public function register_jetpack_instant_sidebar() {
$args = array(
'name' => __( 'Jetpack Search Sidebar', 'jetpack' ),
'id' => 'jetpack-instant-search-sidebar',
'description' => __( 'Customize the sidebar inside the Jetpack Search overlay', 'jetpack' ),
'class' => '',
'before_widget' => '<div id="%1$s" class="widget %2$s">',
'after_widget' => '</div>',
'before_title' => '<h2 class="widgettitle">',
'after_title' => '</h2>',
);
register_sidebar( $args );
}
/**
* Prints Instant Search sidebar.
*/
public function print_instant_search_sidebar() {
?>
<div class="jetpack-instant-search__widget-area" style="display: none">
<?php if ( is_active_sidebar( 'jetpack-instant-search-sidebar' ) ) { ?>
<?php dynamic_sidebar( 'jetpack-instant-search-sidebar' ); ?>
<?php } ?>
</div>
<?php
}
/**
* Loads scripts for Tracks analytics library
*/
public function load_and_initialize_tracks() {
wp_enqueue_script( 'jp-tracks', '//stats.wp.com/w.js', array(), gmdate( 'YW' ), true );
}
/**
* Bypass the normal Search query since we will run it with instant search.
*
* @since 8.3.0
*
* @param array $posts Current array of posts (still pre-query).
* @param WP_Query $query The WP_Query being filtered.
*
* @return array Array of matching posts.
*/
public function filter__posts_pre_query( $posts, $query ) {
if ( ! $this->should_handle_query( $query ) ) {
// Intentionally not adding the 'jetpack_search_abort' action since this should fire for every request except for search.
return $posts;
}
/**
* Bypass the main query and return dummy data
* WP Core doesn't call the set_found_posts and its filters when filtering
* posts_pre_query like we do, so need to do these manually.
*/
$query->found_posts = 1;
$query->max_num_pages = 1;
return array();
}
/**
* Run the aggregations API query for any filtering
*
* @since 8.3.0
*/
public function action__parse_query() {
if ( ! empty( $this->search_result ) ) {
return;
}
if ( is_admin() ) {
return;
}
if ( empty( $this->aggregations ) ) {
return;
}
jetpack_require_lib( 'jetpack-wpes-query-builder/jetpack-wpes-query-builder' );
$builder = new Jetpack_WPES_Query_Builder();
$this->add_aggregations_to_es_query_builder( $this->aggregations, $builder );
$this->search_result = $this->instant_api(
array(
'aggregations' => $builder->build_aggregation(),
'size' => 0,
'from' => 0,
)
);
}
/**
* Run an instant search on the WordPress.com public API.
*
* @since 8.3.0
*
* @param array $args Args conforming to the WP.com v1.3/sites/<blog_id>/search endpoint.
*
* @return object|WP_Error The response from the public API, or a WP_Error.
*/
public function instant_api( array $args ) {
global $wp_version;
$start_time = microtime( true );
// Cache locally to avoid remote request slowing the page.
$transient_name = 'jetpack_instant_search_cache_' . md5( wp_json_encode( $args ) );
$cache = get_transient( $transient_name );
if ( false !== $cache ) {
return $cache;
}
$service_url = add_query_arg(
$args,
sprintf(
'https://public-api.wordpress.com/rest/v1.3/sites/%d/search',
$this->jetpack_blog_id
)
);
$request_args = array(
'timeout' => 10,
'user-agent' => "WordPress/{$wp_version} | Jetpack/" . constant( 'JETPACK__VERSION' ),
);
$request = wp_remote_get( esc_url_raw( $service_url ), $request_args );
$end_time = microtime( true );
if ( is_wp_error( $request ) ) {
return $request;
}
$response_code = wp_remote_retrieve_response_code( $request );
$response = json_decode( wp_remote_retrieve_body( $request ), true );
if ( ! $response_code || $response_code < 200 || $response_code >= 300 ) {
/**
* Fires after a search query request has failed
*
* @module search
*
* @since 5.6.0
*
* @param array Array containing the response code and response from the failed search query
*/
do_action(
'failed_jetpack_search_query',
array(
'response_code' => $response_code,
'json' => $response,
)
);
return new WP_Error( 'invalid_search_api_response', 'Invalid response from API - ' . $response_code );
}
$took = is_array( $response ) && ! empty( $response['took'] )
? $response['took']
: null;
$query = array(
'args' => $args,
'response' => $response,
'response_code' => $response_code,
'elapsed_time' => ( $end_time - $start_time ) * 1000, // Convert from float seconds to ms.
'es_time' => $took,
'url' => $service_url,
);
/**
* Fires after a search request has been performed.
*
* Includes the following info in the $query parameter:
*
* array args Array of Elasticsearch arguments for the search
* array response Raw API response, JSON decoded
* int response_code HTTP response code of the request
* float elapsed_time Roundtrip time of the search request, in milliseconds
* float es_time Amount of time Elasticsearch spent running the request, in milliseconds
* string url API url that was queried
*
* @module search
*
* @since 5.0.0
* @since 5.8.0 This action now fires on all queries instead of just successful queries.
*
* @param array $query Array of information about the query performed
*/
do_action( 'did_jetpack_search_query', $query );
// Update local cache.
set_transient( $transient_name, $response, 1 * HOUR_IN_SECONDS );
return $response;
}
/**
* Get the raw Aggregation results from the Elasticsearch response.
*
* @since 8.4.0
*
* @return array Array of Aggregations performed on the search.
*/
public function get_search_aggregations_results() {
if ( empty( $this->search_result ) || is_wp_error( $this->search_result ) || ! isset( $this->search_result['aggregations'] ) ) {
return array();
}
return $this->search_result['aggregations'];
}
/**
* Automatically configure necessary settings for instant search
*
* @since 8.3.0
*/
public function auto_config_search() {
if ( ! current_user_can( 'edit_theme_options' ) ) {
return;
}
// Set default result format to "expanded".
update_option( Jetpack_Search_Options::OPTION_PREFIX . 'result_format', 'expanded' );
$this->auto_config_excluded_post_types();
$this->auto_config_overlay_sidebar_widgets();
}
/**
* Automatically copy configured search widgets into the overlay sidebar
*
* @since 8.8.0
*/
public function auto_config_overlay_sidebar_widgets() {
global $wp_registered_sidebars;
$sidebars = get_option( 'sidebars_widgets', array() );
$slug = Jetpack_Search_Helpers::FILTER_WIDGET_BASE;
if ( isset( $sidebars['jetpack-instant-search-sidebar'] ) ) {
foreach ( (array) $sidebars['jetpack-instant-search-sidebar'] as $widget_id ) {
if ( 0 === strpos( $widget_id, $slug ) ) {
// Already configured.
return;
}
}
}
$has_sidebar = isset( $wp_registered_sidebars['sidebar-1'] );
$sidebar_id = false;
$sidebar_searchbox_idx = false;
if ( $has_sidebar ) {
if ( empty( $sidebars['sidebar-1'] ) ) {
// Adding to an empty sidebar is generally a bad idea.
$has_sidebar = false;
}
foreach ( (array) $sidebars['sidebar-1'] as $idx => $widget_id ) {
if ( 0 === strpos( $widget_id, 'search-' ) ) {
$sidebar_searchbox_idx = $idx;
}
if ( 0 === strpos( $widget_id, $slug ) ) {
$sidebar_id = (int) str_replace( Jetpack_Search_Helpers::FILTER_WIDGET_BASE . '-', '', $widget_id );
break;
}
}
}
$next_id = 1;
$widget_opt_name = Jetpack_Search_Helpers::get_widget_option_name();
$widget_options = get_option( $widget_opt_name, array() );
foreach ( $widget_options as $id => $w ) {
if ( $id >= $next_id ) {
$next_id = $id + 1;
}
}
// Copy sidebar settings to overlay.
if ( ( false !== $sidebar_id ) && isset( $widget_options[ $sidebar_id ] ) ) {
$widget_options[ $next_id ] = $widget_options[ $sidebar_id ];
update_option( $widget_opt_name, $widget_options );
if ( ! isset( $sidebars['jetpack-instant-search-sidebar'] ) ) {
$sidebars['jetpack-instant-search-sidebar'] = array();
}
array_unshift( $sidebars['jetpack-instant-search-sidebar'], Jetpack_Search_Helpers::build_widget_id( $next_id ) );
update_option( 'sidebars_widgets', $sidebars );
return;
}
// Configure overlay and sidebar (if it exists).
$preconfig_opts = $this->get_preconfig_widget_options();
if ( ! isset( $sidebars['jetpack-instant-search-sidebar'] ) ) {
$sidebars['jetpack-instant-search-sidebar'] = array();
}
if ( $has_sidebar ) {
$widget_options[ $next_id ] = $preconfig_opts;
if ( false !== $sidebar_searchbox_idx ) {
// Replace Core search box.
$sidebars['sidebar-1'][ $sidebar_searchbox_idx ] = Jetpack_Search_Helpers::build_widget_id( $next_id );
} else {
// Add to top.
array_unshift( $sidebars['sidebar-1'], Jetpack_Search_Helpers::build_widget_id( $next_id ) );
}
$next_id++;
}
$widget_options[ $next_id ] = $preconfig_opts;
array_unshift( $sidebars['jetpack-instant-search-sidebar'], Jetpack_Search_Helpers::build_widget_id( $next_id ) );
update_option( $widget_opt_name, $widget_options );
update_option( 'sidebars_widgets', $sidebars );
}
/**
* Autoconfig search by adding filter widgets
*
* @since 8.4.0
*
* @return array Array of config settings for search widget.
*/
protected function get_preconfig_widget_options() {
$settings = array(
'title' => '',
'filters' => array(),
);
$post_types = get_post_types(
array(
'public' => true,
'_builtin' => false,
)
);
if ( ! empty( $post_types ) ) {
$settings['filters'][] = array(
array(
'name' => '',
'type' => 'post_type',
'count' => 5,
),
);
}
// Grab a maximum of 3 taxonomies.
$taxonomies = array_slice(
get_taxonomies(
array(
'public' => true,
'_builtin' => false,
)
),
0,
3
);
foreach ( $taxonomies as $t ) {
$settings['filters'][] = array(
'name' => '',
'type' => 'taxonomy',
'taxonomy' => $t,
'count' => 5,
);
}
$settings['filters'][] = array(
'name' => '',
'type' => 'taxonomy',
'taxonomy' => 'category',
'count' => 5,
);
$settings['filters'][] = array(
'name' => '',
'type' => 'taxonomy',
'taxonomy' => 'post_tag',
'count' => 5,
);
$settings['filters'][] = array(
'name' => '',
'type' => 'date_histogram',
'count' => 5,
'field' => 'post_date',
'interval' => 'year',
);
return $settings;
}
/**
* Automatically configure post types to exclude from one of the search widgets
*
* @since 8.8.0
*/
public function auto_config_excluded_post_types() {
$post_types = get_post_types(
array(
'exclude_from_search' => false,
'public' => true,
)
);
$enabled_post_types = array();
$widget_options = get_option( Jetpack_Search_Helpers::get_widget_option_name(), array() );
// Prior to Jetpack 8.8, post types were enabled via Jetpack Search widgets rather than disabled via the Customizer.
// To continue supporting post types set up in the old way, we iterate through each Jetpack Search
// widget configuration and append each enabled post type to $enabled_post_types.
foreach ( $widget_options as $widget_option ) {
if ( isset( $widget_option['post_types'] ) && is_array( $widget_option['post_types'] ) ) {
foreach ( $widget_option['post_types'] as $enabled_post_type ) {
$enabled_post_types[ $enabled_post_type ] = $enabled_post_type;
}
}
}
if ( ! empty( $enabled_post_types ) ) {
$post_types_to_disable = array_diff( $post_types, $enabled_post_types );
update_option( Jetpack_Search_Options::OPTION_PREFIX . 'excluded_post_types', join( ',', $post_types_to_disable ) );
}
}
}