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389 lines
11 KiB
PHP
389 lines
11 KiB
PHP
<?php
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/**
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* /lib/admin-ajax.php
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*
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* @package Relevanssi
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* @author Mikko Saari
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* @license https://wordpress.org/about/gpl/ GNU General Public License
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* @see https://www.relevanssi.com/
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*/
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add_action( 'wp_ajax_relevanssi_truncate_index', 'relevanssi_truncate_index_ajax_wrapper' );
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add_action( 'wp_ajax_relevanssi_index_posts', 'relevanssi_index_posts_ajax_wrapper' );
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add_action( 'wp_ajax_relevanssi_count_posts', 'relevanssi_count_posts_ajax_wrapper' );
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add_action( 'wp_ajax_relevanssi_count_missing_posts', 'relevanssi_count_missing_posts_ajax_wrapper' );
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add_action( 'wp_ajax_relevanssi_list_categories', 'relevanssi_list_categories' );
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add_action( 'wp_ajax_relevanssi_admin_search', 'relevanssi_admin_search' );
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/**
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* Truncates the Relevanssi index.
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*
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* Wipes the index clean using relevanssi_truncate_index().
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*/
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function relevanssi_truncate_index_ajax_wrapper() {
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$response = relevanssi_truncate_index();
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echo wp_json_encode( $response );
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wp_die();
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}
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/**
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* Indexes posts in AJAX context.
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*
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* AJAX wrapper for indexing posts. Parses the arguments, uses the
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* relevanssi_build_index() to do the hard work, then creates the AJAX response.
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*/
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function relevanssi_index_posts_ajax_wrapper() {
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check_ajax_referer( 'relevanssi_indexing_nonce', 'security' );
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$completed = absint( $_POST['completed'] );
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$total = absint( $_POST['total'] );
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$offset = absint( $_POST['offset'] );
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$limit = absint( $_POST['limit'] );
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$extend = strval( $_POST['extend'] );
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if ( 'true' === $extend ) {
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$extend = true;
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}
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if ( $limit < 1 ) {
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$limit = 1;
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}
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$response = array();
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$is_ajax = true;
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$verbose = false;
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if ( $extend ) {
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$offset = true;
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}
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$indexing_response = relevanssi_build_index( $offset, $verbose, $limit, $is_ajax );
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if ( $indexing_response['indexing_complete'] ) {
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$response['completed'] = 'done';
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$response['percentage'] = 100;
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$completed += $indexing_response['indexed'];
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$response['total_posts'] = $completed;
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$processed = $total;
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} else {
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$completed += $indexing_response['indexed'];
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$response['completed'] = $completed;
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if ( true === $offset ) {
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$processed = $completed;
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} else {
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$offset = $offset + $limit;
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$processed = $offset;
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}
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if ( $total > 0 ) {
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$response['percentage'] = $processed / $total * 100;
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} else {
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$response['percentage'] = 0;
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}
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}
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$response['feedback'] = sprintf(
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// translators: Number of posts indexed on this go, total number of posts indexed so far, number of posts processed on this go, total number of posts to process.
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_n(
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'Indexed %1$d post (total %2$d), processed %3$d / %4$d.',
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'Indexed %1$d posts (total %2$d), processed %3$d / %4$d.',
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$indexing_response['indexed'],
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'relevanssi'
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),
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$indexing_response['indexed'],
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$completed,
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$processed,
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$total
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) . "\n";
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$response['offset'] = $offset;
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echo wp_json_encode( $response );
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wp_die();
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}
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/**
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* Counts the posts to index.
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*
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* AJAX wrapper for relevanssi_count_total_posts().
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*/
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function relevanssi_count_posts_ajax_wrapper() {
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$count = relevanssi_count_total_posts();
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echo wp_json_encode( $count );
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wp_die();
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}
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/**
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* Counts the posts missing from the index.
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*
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* AJAX wrapper for relevanssi_count_missing_posts().
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*/
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function relevanssi_count_missing_posts_ajax_wrapper() {
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$count = relevanssi_count_missing_posts();
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echo wp_json_encode( $count );
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wp_die();
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}
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/**
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* Lists categories.
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*
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* AJAX wrapper for get_categories().
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*/
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function relevanssi_list_categories() {
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$categories = get_categories(
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array(
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'taxonomy' => 'category',
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'hide_empty' => false,
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)
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);
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echo wp_json_encode( $categories );
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wp_die();
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}
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/**
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* Performs an admin search.
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*
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* Performs an admin dashboard search.
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*
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* @since 2.2.0
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*/
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function relevanssi_admin_search() {
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check_ajax_referer( 'relevanssi_admin_search_nonce', 'security' );
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$args = array();
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if ( isset( $_POST['args'] ) ) {
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parse_str( $_POST['args'], $args );
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}
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if ( isset( $_POST['posts_per_page'] ) ) {
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$posts_per_page = intval( $_POST['posts_per_page'] );
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if ( $posts_per_page > 0 ) {
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$args['posts_per_page'] = $posts_per_page;
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}
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}
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if ( isset( $_POST['post_types'] ) ) {
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$post_type = $_POST['post_types'];
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$args['post_types'] = $post_type;
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}
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if ( isset( $_POST['offset'] ) ) {
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$offset = intval( $_POST['offset'] );
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if ( $offset > 0 ) {
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$args['offset'] = $offset;
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}
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}
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if ( isset( $_POST['s'] ) ) {
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$args['s'] = $_POST['s'];
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}
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$query = new WP_Query();
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$query->parse_query( $args );
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$query->set( 'relevanssi_admin_search', true );
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$query = apply_filters( 'relevanssi_modify_wp_query', $query );
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relevanssi_do_query( $query );
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$results = relevanssi_admin_search_debugging_info( $query );
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// Take the posts array and create a string out of it.
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$offset = 0;
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if ( isset( $query->query_vars['offset'] ) ) {
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$offset = $query->query_vars['offset'];
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}
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$results .= relevanssi_admin_search_format_posts( $query->posts, $query->found_posts, $offset, $args['s'] );
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echo wp_json_encode( $results );
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wp_die();
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}
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/**
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* Formats the posts for admin search.
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*
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* Results are presented as an ordered list of posts. The format is very basic, and
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* can be modified with the 'relevanssi_admin_search_element' filter hook.
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*
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* @param array $posts The posts array.
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* @param int $total The number of posts found in total.
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* @param int $offset Offset value.
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* @param string $query The search query.
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*
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* @return string The formatted posts.
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*
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* @since 2.2.0
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*/
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function relevanssi_admin_search_format_posts( $posts, $total, $offset, $query ) {
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$result = '<h3>' . __( 'Results', 'relevanssi' ) . '</h3>';
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$start = $offset + 1;
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$end = $offset + count( $posts );
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// Translators: %1$d is the total number of posts found, %2$d is the current search result count, %3$d is the offset.
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$result .= '<p>' . sprintf( __( 'Found a total of %1$d posts, showing posts %2$d–%3$s.', 'relevanssi' ), $total, $start, '<span id="offset">' . $end . '</span>' ) . '</p>';
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if ( $offset > 0 ) {
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$result .= sprintf( '<button type="button" id="prev_page">%s</button>', __( 'Previous page', 'relevanssi' ) );
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}
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if ( count( $posts ) + $offset < $total ) {
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$result .= sprintf( '<button type="button" id="next_page">%s</button>', __( 'Next page', 'relevanssi' ) );
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}
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$result .= '<ol start="' . $start . '">';
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$score_label = __( 'Score:', 'relevanssi' );
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foreach ( $posts as $post ) {
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$blog_name = '';
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if ( isset( $post->blog_id ) ) {
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switch_to_blog( $post->blog_id );
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$blog_name = get_bloginfo( 'name' ) . ': ';
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}
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$permalink = get_permalink( $post->ID );
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$edit_url = get_edit_post_link( $post->ID );
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$post_type = $post->post_type;
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if ( isset( $post->relevanssi_link ) ) {
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$permalink = $post->relevanssi_link;
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}
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if ( 'user' === $post->post_type ) {
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$edit_url = get_edit_user_link( $post->ID );
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}
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if ( empty( $edit_url ) ) {
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if ( isset( $post->term_id ) ) {
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$edit_url = get_edit_term_link( $post->term_id, $post->post_type );
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}
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}
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$title = sprintf( '<a href="%1$s">%2$s %3$s</a>', $permalink, $post->post_title, $post_type );
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$edit_link = '';
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if ( current_user_can( 'edit_post', $post->ID ) ) {
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$edit_link = sprintf( '(<a href="%1$s">%2$s %3$s</a>)', $edit_url, __( 'Edit', 'relevanssi' ), $post_type );
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}
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$pinning_buttons = '';
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$pinned = '';
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if ( function_exists( 'relevanssi_admin_search_pinning' ) ) {
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// Relevanssi Premium adds pinning features to the admin search.
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list( $pinning_buttons, $pinned ) = relevanssi_admin_search_pinning( $post, $query );
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}
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$post_element = <<<EOH
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<li>$blog_name <strong>$title</strong> $edit_link $pinning_buttons <br />
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$post->post_excerpt<br />
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$score_label $post->relevance_score $pinned</li>
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EOH;
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/**
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* Filters the admin search results element.
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*
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* The post element is a <li> element. Feel free to edit the element any way you want to.
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*
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* @param string $post_element The post element.
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*/
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$result .= apply_filters( 'relevanssi_admin_search_element', $post_element );
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if ( isset( $post->blog_id ) ) {
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restore_current_blog();
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}
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}
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$result .= '</ol>';
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return $result;
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}
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/**
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* Shows debugging information about the search.
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*
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* Formats the WP_Query parameters, looks at some filter hooks and presents the
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* information in an easy-to-read format.
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*
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* @param array $query The WP_Query object.
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*
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* @return string The formatted debugging information.
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*
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* @since 2.2.0
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*/
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function relevanssi_admin_search_debugging_info( $query ) {
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$result = '<div id="debugging">';
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$result .= '<h3>' . __( 'Query variables', 'relevanssi' ) . '</h3>';
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$result .= '<ul style="list-style: disc; margin-left: 1.5em">';
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foreach ( $query->query_vars as $key => $value ) {
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if ( 'tax_query' === $key ) {
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$result .= '<li>tax_query:<ul style="list-style: disc; margin-left: 1.5em">';
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$result .= implode(
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'',
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array_map(
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function ( $row ) {
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$result = '';
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if ( is_array( $row ) ) {
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foreach ( $row as $row_key => $row_value ) {
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$result .= "<li>$row_key: $row_value</li>";
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}
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}
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return $result;
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},
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$value
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)
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);
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$result .= '</ul></li>';
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} else {
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if ( is_array( $value ) ) {
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$value = relevanssi_flatten_array( $value );
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}
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if ( empty( $value ) ) {
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continue;
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}
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$result .= "<li>$key: $value</li>";
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}
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}
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if ( ! empty( $query->tax_query ) ) {
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$result .= '<li>tax_query:<ul style="list-style: disc; margin-left: 1.5em">';
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foreach ( $query->tax_query as $tax_query ) {
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if ( ! is_array( $tax_query ) ) {
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continue;
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}
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foreach ( $tax_query as $key => $value ) {
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if ( is_array( $value ) ) {
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$value = relevanssi_flatten_array( $value );
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}
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$result .= "<li>$key: $value</li>";
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}
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}
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$result .= '</ul></li>';
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}
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$result .= '</ul>';
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global $wp_filter;
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$filters = array(
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'relevanssi_search_ok',
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'relevanssi_modify_wp_query',
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'relevanssi_search_filters',
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'relevanssi_where',
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'relevanssi_join',
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'relevanssi_fuzzy_query',
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'relevanssi_exact_match_bonus',
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'relevanssi_query_filter',
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'relevanssi_match',
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'relevanssi_post_ok',
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'relevanssi_search_again',
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'relevanssi_results',
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'relevanssi_orderby',
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'relevanssi_order',
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'relevanssi_default_tax_query_relation',
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'relevanssi_hits_filter',
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);
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$result .= '<h3>' . __( 'Filters', 'relevanssi' ) . '</h3>';
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$result .= '<button type="button" id="show_filters">' . __( 'show', 'relevanssi' ) . '</button>';
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$result .= '<button type="button" id="hide_filters" style="display: none">' . __( 'hide', 'relevanssi' ) . '</button>';
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$result .= '<div id="relevanssi_filter_list">';
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foreach ( $filters as $filter ) {
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if ( isset( $wp_filter[ $filter ] ) ) {
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$result .= '<h4>' . $filter . '</h4>';
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$result .= '<ul style="list-style: disc; margin-left: 1.5em">';
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foreach ( $wp_filter[ $filter ] as $priority => $functions ) {
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foreach ( $functions as $function ) {
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if ( $function['function'] instanceof Closure ) {
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$function['function'] = 'Anonymous function';
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}
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$result .= "<li>$priority: " . $function['function'] . '</li>';
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}
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}
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$result .= '</ul>';
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}
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}
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$result .= '</div>';
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$result .= '</div>';
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return $result;
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}
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