File "post.php"
Full Path: /home/fineflavourcocoa/public_html/wp-content/plugins/meta-box/inc/fields/post.php
File size: 7.11 KB
MIME-type: text/x-php
Charset: utf-8
<?php
defined( 'ABSPATH' ) || die;
/**
* The post field which allows users to select existing posts.
*/
class RWMB_Post_Field extends RWMB_Object_Choice_Field {
public static function add_actions() {
add_action( 'wp_ajax_rwmb_get_posts', [ __CLASS__, 'ajax_get_posts' ] );
add_action( 'wp_ajax_nopriv_rwmb_get_posts', [ __CLASS__, 'ajax_get_posts' ] );
}
public static function ajax_get_posts() {
check_ajax_referer( 'query' );
$request = rwmb_request();
$field = $request->filter_post( 'field', FILTER_DEFAULT, FILTER_FORCE_ARRAY );
// Required for 'choice_label' filter. See self::filter().
$field['clone'] = false;
$field['_original_id'] = $field['id'];
// Search.
$field['query_args']['s'] = $request->filter_post( 'term' );
// Pagination.
if ( 'query:append' === $request->filter_post( '_type' ) ) {
$field['query_args']['paged'] = $request->filter_post( 'page', FILTER_SANITIZE_NUMBER_INT );
}
// Query the database.
$items = self::query( null, $field );
$items = array_values( $items );
$items = apply_filters( 'rwmb_ajax_get_posts', $items, $field, $request );
$data = [ 'items' => $items ];
// More items for pagination.
$limit = (int) $field['query_args']['posts_per_page'];
if ( -1 !== $limit && count( $items ) === $limit ) {
$data['more'] = true;
}
wp_send_json_success( $data );
}
/**
* Normalize parameters for field.
*
* @param array $field Field parameters.
* @return array
*/
public static function normalize( $field ) {
$field = wp_parse_args( $field, [
'post_type' => 'post',
'parent' => false,
'query_args' => [],
] );
$field['post_type'] = (array) $field['post_type'];
/*
* Set default placeholder:
* - If multiple post types: show 'Select a post'.
* - If single post type: show 'Select a %post_type_name%'.
*/
$placeholder = __( 'Select a post', 'meta-box' );
if ( 1 === count( $field['post_type'] ) ) {
$post_type = reset( $field['post_type'] );
$post_type_object = get_post_type_object( $post_type );
if ( ! empty( $post_type_object ) ) {
// Translators: %s is the post singular label.
$placeholder = sprintf( __( 'Select a %s', 'meta-box' ), strtolower( $post_type_object->labels->singular_name ) );
}
}
$field = wp_parse_args( $field, [
'placeholder' => $placeholder,
] );
// Set parent option, which will change field name to `parent_id` to save as post parent.
if ( $field['parent'] ) {
$field['multiple'] = false;
$field['field_name'] = 'parent_id';
}
$field = parent::normalize( $field );
// Set default query args.
$posts_per_page = $field['ajax'] ? 10 : -1;
$field['query_args'] = wp_parse_args( $field['query_args'], [
'post_type' => $field['post_type'],
'post_status' => 'publish',
'posts_per_page' => $posts_per_page,
] );
parent::set_ajax_params( $field );
return $field;
}
public static function query( $meta, array $field ): array {
$args = wp_parse_args( $field['query_args'], [
'no_found_rows' => true,
'update_post_meta_cache' => false,
'update_post_term_cache' => false,
'mb_field_id' => $field['id'],
] );
$meta = wp_parse_id_list( (array) $meta );
// Query only selected items.
if ( ! empty( $field['ajax'] ) && ! empty( $meta ) ) {
$args['posts_per_page'] = count( $meta );
$args['post__in'] = $meta;
}
// Get from cache to prevent same queries.
$last_changed = wp_cache_get_last_changed( 'posts' );
$key = md5( serialize( $args ) );
$cache_key = "$key:$last_changed";
$options = wp_cache_get( $cache_key, 'meta-box-post-field' );
if ( false !== $options ) {
return $options;
}
// Only search by title.
add_filter( 'posts_search', [ __CLASS__, 'search_by_title' ], 10, 2 );
$query = new WP_Query( $args );
remove_filter( 'posts_search', [ __CLASS__, 'search_by_title' ] );
$options = [];
foreach ( $query->posts as $post ) {
$label = $post->post_title ? $post->post_title : __( '(No title)', 'meta-box' );
$label = self::filter( 'choice_label', $label, $field, $post );
$options[ $post->ID ] = [
'value' => $post->ID,
'label' => $label,
'parent' => $post->post_parent,
];
}
// Cache the query.
wp_cache_set( $cache_key, $options, 'meta-box-post-field' );
return $options;
}
/**
* Only search posts by title.
* WordPress searches by either title or content which is confused when users can't find their posts.
*
* @link https://developer.wordpress.org/reference/hooks/posts_search/
*/
public static function search_by_title( $search, $wp_query ) {
global $wpdb;
if ( empty( $search ) ) {
return $search;
}
$q = $wp_query->query_vars;
$n = ! empty( $q['exact'] ) ? '' : '%';
$search = [];
foreach ( (array) $q['search_terms'] as $term ) {
$term = esc_sql( $wpdb->esc_like( $term ) );
$search[] = "($wpdb->posts.post_title LIKE '{$n}{$term}{$n}')";
}
if ( empty( $search ) ) {
return $search;
}
$search = ' AND (' . implode( ' AND ', $search ) . ') ';
if ( ! is_user_logged_in() ) {
$search .= " AND ($wpdb->posts.post_password = '') ";
}
return $search;
}
/**
* Get meta value.
* If field is cloneable, value is saved as a single entry in DB.
* Otherwise value is saved as multiple entries (for backward compatibility).
*
* @see "save" method for better understanding
*
* @param int $post_id Post ID.
* @param bool $saved Is the meta box saved.
* @param array $field Field parameters.
*
* @return mixed
*/
public static function meta( $post_id, $saved, $field ) {
return $field['parent'] ? wp_get_post_parent_id( $post_id ) : parent::meta( $post_id, $saved, $field );
}
/**
* Format a single value for the helper functions. Sub-fields should overwrite this method if necessary.
*
* @param array $field Field parameters.
* @param int $value The value.
* @param array $args Additional arguments. Rarely used. See specific fields for details.
* @param ?int $post_id Post ID. null for current post. Optional.
*
* @return string
*/
public static function format_single_value( $field, $value, $args, $post_id ) {
if ( empty( $value ) ) {
return '';
}
$link = $args['link'] ?? 'view';
$text = get_the_title( $value );
if ( false === $link ) {
return $text;
}
$url = get_permalink( $value );
if ( 'edit' === $link ) {
$url = get_edit_post_link( $value );
}
return sprintf( '<a href="%s">%s</a>', esc_url( $url ), wp_kses_post( $text ) );
}
public static function add_new_form( array $field ): string {
if ( ! current_user_can( 'edit_posts' ) ) {
return '';
}
if ( 1 !== count( $field['post_type'] ) ) {
return '';
}
$post_type = reset( $field['post_type'] );
if ( ! post_type_exists( $post_type ) ) {
return '';
}
$post_type_object = get_post_type_object( $post_type );
return sprintf(
'<a href="#" class="rwmb-post-add-button rwmb-modal-add-button" data-url="%s">%s</a>',
admin_url( $post_type === 'post' ? 'post-new.php' : 'post-new.php?post_type=' . $post_type ),
esc_html( $post_type_object->labels->add_new_item )
);
}
}