890 lines
21 KiB
PHP
890 lines
21 KiB
PHP
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<?php
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if ( ! class_exists( 'acf_field_relationship' ) ) :
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class acf_field_relationship extends acf_field {
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/**
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* This function will setup the field type data
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*
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* @type function
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* @date 5/03/2014
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* @since 5.0.0
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*/
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public function initialize() {
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$this->name = 'relationship';
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$this->label = __( 'Relationship', 'acf' );
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$this->category = 'relational';
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$this->description = __( 'A dual-column interface to select one or more posts, pages, or custom post type items to create a relationship with the item that you\'re currently editing. Includes options to search and filter.', 'acf' );
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$this->preview_image = acf_get_url() . '/assets/images/field-type-previews/field-preview-relationship.png';
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$this->doc_url = acf_add_url_utm_tags( 'https://www.advancedcustomfields.com/resources/relationship/', 'docs', 'field-type-selection' );
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$this->defaults = array(
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'post_type' => array(),
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'taxonomy' => array(),
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'min' => 0,
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'max' => 0,
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'filters' => array( 'search', 'post_type', 'taxonomy' ),
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'elements' => array(),
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'return_format' => 'object',
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'bidirectional_target' => array(),
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);
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// extra
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add_action( 'wp_ajax_acf/fields/relationship/query', array( $this, 'ajax_query' ) );
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add_action( 'wp_ajax_nopriv_acf/fields/relationship/query', array( $this, 'ajax_query' ) );
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}
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/*
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* input_admin_enqueue_scripts
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*
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* description
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*
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* @type function
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* @date 16/12/2015
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* @since 5.3.2
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*
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* @param $post_id (int)
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* @return $post_id (int)
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*/
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function input_admin_enqueue_scripts() {
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// localize
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acf_localize_text(
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array(
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// 'Minimum values reached ( {min} values )' => __('Minimum values reached ( {min} values )', 'acf'),
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'Maximum values reached ( {max} values )' => __( 'Maximum values reached ( {max} values )', 'acf' ),
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'Loading' => __( 'Loading', 'acf' ),
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'No matches found' => __( 'No matches found', 'acf' ),
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)
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);
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}
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/*
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* ajax_query
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*
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* description
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*
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* @type function
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* @date 24/10/13
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* @since 5.0.0
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*
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* @param $post_id (int)
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* @return $post_id (int)
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*/
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function ajax_query() {
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// validate
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if ( ! acf_verify_ajax() ) {
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die();
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}
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// get choices
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$response = $this->get_ajax_query( $_POST );
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// return
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acf_send_ajax_results( $response );
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}
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/*
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* get_ajax_query
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*
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* This function will return an array of data formatted for use in a select2 AJAX response
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*
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* @type function
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* @date 15/10/2014
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* @since 5.0.9
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*
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* @param $options (array)
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* @return (array)
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*/
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function get_ajax_query( $options = array() ) {
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// defaults
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$options = wp_parse_args(
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$options,
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array(
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'post_id' => 0,
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's' => '',
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'field_key' => '',
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'paged' => 1,
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'post_type' => '',
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'taxonomy' => '',
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)
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);
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// load field
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$field = acf_get_field( $options['field_key'] );
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if ( ! $field ) {
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return false;
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}
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// vars
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$results = array();
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$args = array();
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$s = false;
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$is_search = false;
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// paged
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$args['posts_per_page'] = 20;
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$args['paged'] = intval( $options['paged'] );
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// search
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if ( $options['s'] !== '' ) {
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// strip slashes (search may be integer)
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$s = wp_unslash( strval( $options['s'] ) );
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// update vars
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$args['s'] = $s;
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$is_search = true;
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}
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// post_type
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if ( ! empty( $options['post_type'] ) ) {
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$args['post_type'] = acf_get_array( $options['post_type'] );
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} elseif ( ! empty( $field['post_type'] ) ) {
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$args['post_type'] = acf_get_array( $field['post_type'] );
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} else {
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$args['post_type'] = acf_get_post_types();
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}
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// post status
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if ( ! empty( $options['post_status'] ) ) {
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$args['post_status'] = acf_get_array( $options['post_status'] );
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} elseif ( ! empty( $field['post_status'] ) ) {
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$args['post_status'] = acf_get_array( $field['post_status'] );
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}
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// taxonomy
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if ( ! empty( $options['taxonomy'] ) ) {
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// vars
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$term = acf_decode_taxonomy_term( $options['taxonomy'] );
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// tax query
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$args['tax_query'] = array();
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// append
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$args['tax_query'][] = array(
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'taxonomy' => $term['taxonomy'],
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'field' => 'slug',
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'terms' => $term['term'],
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);
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} elseif ( ! empty( $field['taxonomy'] ) ) {
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// vars
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$terms = acf_decode_taxonomy_terms( $field['taxonomy'] );
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// append to $args
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$args['tax_query'] = array(
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'relation' => 'OR',
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);
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// now create the tax queries
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foreach ( $terms as $k => $v ) {
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$args['tax_query'][] = array(
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'taxonomy' => $k,
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'field' => 'slug',
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'terms' => $v,
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);
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}
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}
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// filters
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$args = apply_filters( 'acf/fields/relationship/query', $args, $field, $options['post_id'] );
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$args = apply_filters( 'acf/fields/relationship/query/name=' . $field['name'], $args, $field, $options['post_id'] );
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$args = apply_filters( 'acf/fields/relationship/query/key=' . $field['key'], $args, $field, $options['post_id'] );
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// get posts grouped by post type
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$groups = acf_get_grouped_posts( $args );
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// bail early if no posts
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if ( empty( $groups ) ) {
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return false;
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}
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// loop
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foreach ( array_keys( $groups ) as $group_title ) {
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// vars
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$posts = acf_extract_var( $groups, $group_title );
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// data
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$data = array(
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'text' => $group_title,
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'children' => array(),
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);
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// convert post objects to post titles
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foreach ( array_keys( $posts ) as $post_id ) {
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$posts[ $post_id ] = $this->get_post_title( $posts[ $post_id ], $field, $options['post_id'] );
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}
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// order posts by search
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if ( $is_search && empty( $args['orderby'] ) && isset( $args['s'] ) ) {
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$posts = acf_order_by_search( $posts, $args['s'] );
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}
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// append to $data
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foreach ( array_keys( $posts ) as $post_id ) {
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$data['children'][] = $this->get_post_result( $post_id, $posts[ $post_id ] );
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}
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// append to $results
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$results[] = $data;
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}
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// add as optgroup or results
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if ( count( $args['post_type'] ) == 1 ) {
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$results = $results[0]['children'];
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}
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// vars
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$response = array(
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'results' => $results,
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'limit' => $args['posts_per_page'],
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);
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// return
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return $response;
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}
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/*
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* get_post_result
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*
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* This function will return an array containing id, text and maybe description data
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*
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* @type function
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* @date 7/07/2016
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* @since 5.4.0
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*
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* @param $id (mixed)
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* @param $text (string)
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* @return (array)
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*/
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function get_post_result( $id, $text ) {
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// vars
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$result = array(
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'id' => $id,
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'text' => $text,
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);
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// return
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return $result;
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}
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/*
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* get_post_title
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*
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* This function returns the HTML for a result
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*
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* @type function
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* @date 1/11/2013
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* @since 5.0.0
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*
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* @param $post (object)
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* @param $field (array)
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* @param $post_id (int) the post_id to which this value is saved to
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* @return (string)
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*/
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function get_post_title( $post, $field, $post_id = 0, $is_search = 0 ) {
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// get post_id
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if ( ! $post_id ) {
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$post_id = acf_get_form_data( 'post_id' );
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}
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// vars
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$title = acf_get_post_title( $post, $is_search );
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// featured_image
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if ( acf_in_array( 'featured_image', $field['elements'] ) ) {
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// vars
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$class = 'thumbnail';
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$thumbnail = acf_get_post_thumbnail( $post->ID, array( 17, 17 ) );
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// icon
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if ( $thumbnail['type'] == 'icon' ) {
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$class .= ' -' . $thumbnail['type'];
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}
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// append
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$title = '<div class="' . $class . '">' . $thumbnail['html'] . '</div>' . $title;
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}
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// filters
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$title = apply_filters( 'acf/fields/relationship/result', $title, $post, $field, $post_id );
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$title = apply_filters( 'acf/fields/relationship/result/name=' . $field['_name'], $title, $post, $field, $post_id );
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$title = apply_filters( 'acf/fields/relationship/result/key=' . $field['key'], $title, $post, $field, $post_id );
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// return
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return $title;
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}
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/*
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* render_field()
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*
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* Create the HTML interface for your field
|
||
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*
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||
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* @param $field - an array holding all the field's data
|
||
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*
|
||
|
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* @type action
|
||
|
|
* @since 3.6
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* @date 23/01/13
|
||
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*/
|
||
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||
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function render_field( $field ) {
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// vars
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$post_type = acf_get_array( $field['post_type'] );
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$taxonomy = acf_get_array( $field['taxonomy'] );
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$filters = acf_get_array( $field['filters'] );
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// filters
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$filter_count = count( $filters );
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$filter_post_type_choices = array();
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$filter_taxonomy_choices = array();
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// post_type filter
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||
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if ( in_array( 'post_type', $filters ) ) {
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$filter_post_type_choices = array(
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||
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'' => __( 'Select post type', 'acf' ),
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) + acf_get_pretty_post_types( $post_type );
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||
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}
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||
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||
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// taxonomy filter
|
||
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if ( in_array( 'taxonomy', $filters ) ) {
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||
|
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$term_choices = array();
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||
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$filter_taxonomy_choices = array(
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||
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'' => __( 'Select taxonomy', 'acf' ),
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||
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);
|
||
|
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|
||
|
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// check for specific taxonomy setting
|
||
|
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if ( $taxonomy ) {
|
||
|
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$terms = acf_get_encoded_terms( $taxonomy );
|
||
|
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$term_choices = acf_get_choices_from_terms( $terms, 'slug' );
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||
|
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|
||
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// if no terms were specified, find all terms
|
||
|
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} else {
|
||
|
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|
||
|
|
// restrict taxonomies by the post_type selected
|
||
|
|
$term_args = array();
|
||
|
|
if ( $post_type ) {
|
||
|
|
$term_args['taxonomy'] = acf_get_taxonomies(
|
||
|
|
array(
|
||
|
|
'post_type' => $post_type,
|
||
|
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)
|
||
|
|
);
|
||
|
|
}
|
||
|
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|
||
|
|
// get terms
|
||
|
|
$terms = acf_get_grouped_terms( $term_args );
|
||
|
|
$term_choices = acf_get_choices_from_grouped_terms( $terms, 'slug' );
|
||
|
|
}
|
||
|
|
|
||
|
|
// append term choices
|
||
|
|
$filter_taxonomy_choices = $filter_taxonomy_choices + $term_choices;
|
||
|
|
}
|
||
|
|
|
||
|
|
// div attributes
|
||
|
|
$atts = array(
|
||
|
|
'id' => $field['id'],
|
||
|
|
'class' => "acf-relationship {$field['class']}",
|
||
|
|
'data-min' => $field['min'],
|
||
|
|
'data-max' => $field['max'],
|
||
|
|
'data-s' => '',
|
||
|
|
'data-paged' => 1,
|
||
|
|
'data-post_type' => '',
|
||
|
|
'data-taxonomy' => '',
|
||
|
|
);
|
||
|
|
|
||
|
|
?>
|
||
|
|
<div <?php echo acf_esc_attrs( $atts ); ?>>
|
||
|
|
|
||
|
|
<?php
|
||
|
|
acf_hidden_input(
|
||
|
|
array(
|
||
|
|
'name' => $field['name'],
|
||
|
|
'value' => '',
|
||
|
|
)
|
||
|
|
);
|
||
|
|
?>
|
||
|
|
|
||
|
|
<?php
|
||
|
|
|
||
|
|
/* filters */
|
||
|
|
if ( $filter_count ) :
|
||
|
|
?>
|
||
|
|
<div class="filters -f<?php echo esc_attr( $filter_count ); ?>">
|
||
|
|
<?php
|
||
|
|
|
||
|
|
/* search */
|
||
|
|
if ( in_array( 'search', $filters ) ) :
|
||
|
|
?>
|
||
|
|
<div class="filter -search">
|
||
|
|
<?php
|
||
|
|
acf_text_input(
|
||
|
|
array(
|
||
|
|
'placeholder' => __( 'Search...', 'acf' ),
|
||
|
|
'data-filter' => 's',
|
||
|
|
)
|
||
|
|
);
|
||
|
|
?>
|
||
|
|
</div>
|
||
|
|
<?php
|
||
|
|
endif;
|
||
|
|
|
||
|
|
/* post_type */
|
||
|
|
if ( in_array( 'post_type', $filters ) ) :
|
||
|
|
?>
|
||
|
|
<div class="filter -post_type">
|
||
|
|
<?php
|
||
|
|
acf_select_input(
|
||
|
|
array(
|
||
|
|
'choices' => $filter_post_type_choices,
|
||
|
|
'data-filter' => 'post_type',
|
||
|
|
)
|
||
|
|
);
|
||
|
|
?>
|
||
|
|
</div>
|
||
|
|
<?php
|
||
|
|
endif;
|
||
|
|
|
||
|
|
/* post_type */
|
||
|
|
if ( in_array( 'taxonomy', $filters ) ) :
|
||
|
|
?>
|
||
|
|
<div class="filter -taxonomy">
|
||
|
|
<?php
|
||
|
|
acf_select_input(
|
||
|
|
array(
|
||
|
|
'choices' => $filter_taxonomy_choices,
|
||
|
|
'data-filter' => 'taxonomy',
|
||
|
|
)
|
||
|
|
);
|
||
|
|
?>
|
||
|
|
</div>
|
||
|
|
<?php endif; ?>
|
||
|
|
</div>
|
||
|
|
<?php endif; ?>
|
||
|
|
|
||
|
|
<div class="selection">
|
||
|
|
<div class="choices">
|
||
|
|
<ul class="acf-bl list choices-list"></ul>
|
||
|
|
</div>
|
||
|
|
<div class="values">
|
||
|
|
<ul class="acf-bl list values-list">
|
||
|
|
<?php
|
||
|
|
if ( ! empty( $field['value'] ) ) :
|
||
|
|
|
||
|
|
// get posts
|
||
|
|
$posts = acf_get_posts(
|
||
|
|
array(
|
||
|
|
'post__in' => $field['value'],
|
||
|
|
'post_type' => $field['post_type'],
|
||
|
|
)
|
||
|
|
);
|
||
|
|
|
||
|
|
// loop
|
||
|
|
foreach ( $posts as $post ) :
|
||
|
|
?>
|
||
|
|
<li>
|
||
|
|
<?php
|
||
|
|
acf_hidden_input(
|
||
|
|
array(
|
||
|
|
'name' => $field['name'] . '[]',
|
||
|
|
'value' => $post->ID,
|
||
|
|
)
|
||
|
|
);
|
||
|
|
?>
|
||
|
|
<span tabindex="0" data-id="<?php echo esc_attr( $post->ID ); ?>" class="acf-rel-item acf-rel-item-remove">
|
||
|
|
<?php echo acf_esc_html( $this->get_post_title( $post, $field ) ); ?>
|
||
|
|
<a href="#" class="acf-icon -minus small dark" data-name="remove_item"></a>
|
||
|
|
</span>
|
||
|
|
</li>
|
||
|
|
<?php endforeach; ?>
|
||
|
|
<?php endif; ?>
|
||
|
|
</ul>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<?php
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* render_field_settings()
|
||
|
|
*
|
||
|
|
* Create extra options for your field. This is rendered when editing a field.
|
||
|
|
* The value of $field['name'] can be used (like bellow) to save extra data to the $field
|
||
|
|
*
|
||
|
|
* @type action
|
||
|
|
* @since 3.6
|
||
|
|
* @date 23/01/13
|
||
|
|
*
|
||
|
|
* @param $field - an array holding all the field's data
|
||
|
|
*/
|
||
|
|
function render_field_settings( $field ) {
|
||
|
|
acf_render_field_setting(
|
||
|
|
$field,
|
||
|
|
array(
|
||
|
|
'label' => __( 'Filter by Post Type', 'acf' ),
|
||
|
|
'instructions' => '',
|
||
|
|
'type' => 'select',
|
||
|
|
'name' => 'post_type',
|
||
|
|
'choices' => acf_get_pretty_post_types(),
|
||
|
|
'multiple' => 1,
|
||
|
|
'ui' => 1,
|
||
|
|
'allow_null' => 1,
|
||
|
|
'placeholder' => __( 'All post types', 'acf' ),
|
||
|
|
)
|
||
|
|
);
|
||
|
|
|
||
|
|
acf_render_field_setting(
|
||
|
|
$field,
|
||
|
|
array(
|
||
|
|
'label' => __( 'Filter by Post Status', 'acf' ),
|
||
|
|
'instructions' => '',
|
||
|
|
'type' => 'select',
|
||
|
|
'name' => 'post_status',
|
||
|
|
'choices' => acf_get_pretty_post_statuses(),
|
||
|
|
'multiple' => 1,
|
||
|
|
'ui' => 1,
|
||
|
|
'allow_null' => 1,
|
||
|
|
'placeholder' => __( 'Any post status', 'acf' ),
|
||
|
|
)
|
||
|
|
);
|
||
|
|
|
||
|
|
acf_render_field_setting(
|
||
|
|
$field,
|
||
|
|
array(
|
||
|
|
'label' => __( 'Filter by Taxonomy', 'acf' ),
|
||
|
|
'instructions' => '',
|
||
|
|
'type' => 'select',
|
||
|
|
'name' => 'taxonomy',
|
||
|
|
'choices' => acf_get_taxonomy_terms(),
|
||
|
|
'multiple' => 1,
|
||
|
|
'ui' => 1,
|
||
|
|
'allow_null' => 1,
|
||
|
|
'placeholder' => __( 'All taxonomies', 'acf' ),
|
||
|
|
)
|
||
|
|
);
|
||
|
|
|
||
|
|
acf_render_field_setting(
|
||
|
|
$field,
|
||
|
|
array(
|
||
|
|
'label' => __( 'Filters', 'acf' ),
|
||
|
|
'instructions' => '',
|
||
|
|
'type' => 'checkbox',
|
||
|
|
'name' => 'filters',
|
||
|
|
'choices' => array(
|
||
|
|
'search' => __( 'Search', 'acf' ),
|
||
|
|
'post_type' => __( 'Post Type', 'acf' ),
|
||
|
|
'taxonomy' => __( 'Taxonomy', 'acf' ),
|
||
|
|
),
|
||
|
|
)
|
||
|
|
);
|
||
|
|
|
||
|
|
acf_render_field_setting(
|
||
|
|
$field,
|
||
|
|
array(
|
||
|
|
'label' => __( 'Return Format', 'acf' ),
|
||
|
|
'instructions' => '',
|
||
|
|
'type' => 'radio',
|
||
|
|
'name' => 'return_format',
|
||
|
|
'choices' => array(
|
||
|
|
'object' => __( 'Post Object', 'acf' ),
|
||
|
|
'id' => __( 'Post ID', 'acf' ),
|
||
|
|
),
|
||
|
|
'layout' => 'horizontal',
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Renders the field settings used in the "Validation" tab.
|
||
|
|
*
|
||
|
|
* @since 6.0
|
||
|
|
*
|
||
|
|
* @param array $field The field settings array.
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
function render_field_validation_settings( $field ) {
|
||
|
|
$field['min'] = empty( $field['min'] ) ? '' : $field['min'];
|
||
|
|
$field['max'] = empty( $field['max'] ) ? '' : $field['max'];
|
||
|
|
|
||
|
|
acf_render_field_setting(
|
||
|
|
$field,
|
||
|
|
array(
|
||
|
|
'label' => __( 'Minimum Posts', 'acf' ),
|
||
|
|
'instructions' => '',
|
||
|
|
'type' => 'number',
|
||
|
|
'name' => 'min',
|
||
|
|
)
|
||
|
|
);
|
||
|
|
|
||
|
|
acf_render_field_setting(
|
||
|
|
$field,
|
||
|
|
array(
|
||
|
|
'label' => __( 'Maximum Posts', 'acf' ),
|
||
|
|
'instructions' => '',
|
||
|
|
'type' => 'number',
|
||
|
|
'name' => 'max',
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Renders the field settings used in the "Presentation" tab.
|
||
|
|
*
|
||
|
|
* @since 6.0
|
||
|
|
*
|
||
|
|
* @param array $field The field settings array.
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
function render_field_presentation_settings( $field ) {
|
||
|
|
acf_render_field_setting(
|
||
|
|
$field,
|
||
|
|
array(
|
||
|
|
'label' => __( 'Elements', 'acf' ),
|
||
|
|
'instructions' => __( 'Selected elements will be displayed in each result', 'acf' ),
|
||
|
|
'type' => 'checkbox',
|
||
|
|
'name' => 'elements',
|
||
|
|
'choices' => array(
|
||
|
|
'featured_image' => __( 'Featured Image', 'acf' ),
|
||
|
|
),
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Renders the field settings used in the "Advanced" tab.
|
||
|
|
*
|
||
|
|
* @since 6.2
|
||
|
|
*
|
||
|
|
* @param array $field The field settings array.
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public function render_field_advanced_settings( $field ) {
|
||
|
|
acf_render_bidirectional_field_settings( $field );
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* format_value()
|
||
|
|
*
|
||
|
|
* This filter is applied to the $value after it is loaded from the db and before it is returned to the template
|
||
|
|
*
|
||
|
|
* @type filter
|
||
|
|
* @since 3.6
|
||
|
|
* @date 23/01/13
|
||
|
|
*
|
||
|
|
* @param $value (mixed) the value which was loaded from the database
|
||
|
|
* @param $post_id (mixed) the $post_id from which the value was loaded
|
||
|
|
* @param $field (array) the field array holding all the field options
|
||
|
|
*
|
||
|
|
* @return $value (mixed) the modified value
|
||
|
|
*/
|
||
|
|
|
||
|
|
function format_value( $value, $post_id, $field ) {
|
||
|
|
|
||
|
|
// bail early if no value
|
||
|
|
if ( empty( $value ) ) {
|
||
|
|
return $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
// force value to array
|
||
|
|
$value = acf_get_array( $value );
|
||
|
|
|
||
|
|
// convert to int
|
||
|
|
$value = array_map( 'intval', $value );
|
||
|
|
|
||
|
|
// load posts if needed
|
||
|
|
if ( $field['return_format'] == 'object' ) {
|
||
|
|
|
||
|
|
// get posts
|
||
|
|
$value = acf_get_posts(
|
||
|
|
array(
|
||
|
|
'post__in' => $value,
|
||
|
|
'post_type' => $field['post_type'],
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
// return
|
||
|
|
return $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* validate_value
|
||
|
|
*
|
||
|
|
* description
|
||
|
|
*
|
||
|
|
* @type function
|
||
|
|
* @date 11/02/2014
|
||
|
|
* @since 5.0.0
|
||
|
|
*
|
||
|
|
* @param $post_id (int)
|
||
|
|
* @return $post_id (int)
|
||
|
|
*/
|
||
|
|
|
||
|
|
function validate_value( $valid, $value, $field, $input ) {
|
||
|
|
|
||
|
|
// default
|
||
|
|
if ( empty( $value ) || ! is_array( $value ) ) {
|
||
|
|
$value = array();
|
||
|
|
}
|
||
|
|
|
||
|
|
// min
|
||
|
|
if ( count( $value ) < $field['min'] ) {
|
||
|
|
$valid = _n( '%1$s requires at least %2$s selection', '%1$s requires at least %2$s selections', $field['min'], 'acf' );
|
||
|
|
$valid = sprintf( $valid, $field['label'], $field['min'] );
|
||
|
|
}
|
||
|
|
|
||
|
|
// return
|
||
|
|
return $valid;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Filters the field value before it is saved into the database.
|
||
|
|
*
|
||
|
|
* @since 3.6
|
||
|
|
*
|
||
|
|
* @param mixed $value The value which will be saved in the database.
|
||
|
|
* @param int $post_id The post_id of which the value will be saved.
|
||
|
|
* @param array $field The field array holding all the field options.
|
||
|
|
*
|
||
|
|
* @return mixed $value The modified value.
|
||
|
|
*/
|
||
|
|
public function update_value( $value, $post_id, $field ) {
|
||
|
|
|
||
|
|
// Bail early if no value.
|
||
|
|
if ( empty( $value ) ) {
|
||
|
|
acf_update_bidirectional_values( array(), $post_id, $field );
|
||
|
|
return $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Format array of values.
|
||
|
|
// - ensure each value is an id.
|
||
|
|
// - Parse each id as string for SQL LIKE queries.
|
||
|
|
if ( acf_is_sequential_array( $value ) ) {
|
||
|
|
$value = array_map( 'acf_idval', $value );
|
||
|
|
$value = array_map( 'strval', $value );
|
||
|
|
|
||
|
|
// Parse single value for id.
|
||
|
|
} else {
|
||
|
|
$value = acf_idval( $value );
|
||
|
|
}
|
||
|
|
|
||
|
|
acf_update_bidirectional_values( acf_get_array( $value ), $post_id, $field );
|
||
|
|
|
||
|
|
// Return value.
|
||
|
|
return $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Validates relationship fields updated via the REST API.
|
||
|
|
*
|
||
|
|
* @param bool $valid
|
||
|
|
* @param int $value
|
||
|
|
* @param array $field
|
||
|
|
*
|
||
|
|
* @return bool|WP_Error
|
||
|
|
*/
|
||
|
|
public function validate_rest_value( $valid, $value, $field ) {
|
||
|
|
return acf_get_field_type( 'post_object' )->validate_rest_value( $valid, $value, $field );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Return the schema array for the REST API.
|
||
|
|
*
|
||
|
|
* @param array $field
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function get_rest_schema( array $field ) {
|
||
|
|
$schema = array(
|
||
|
|
'type' => array( 'integer', 'array', 'null' ),
|
||
|
|
'required' => ! empty( $field['required'] ),
|
||
|
|
'items' => array(
|
||
|
|
'type' => 'integer',
|
||
|
|
),
|
||
|
|
);
|
||
|
|
|
||
|
|
if ( empty( $field['allow_null'] ) ) {
|
||
|
|
$schema['minItems'] = 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( ! empty( $field['min'] ) ) {
|
||
|
|
$schema['minItems'] = (int) $field['min'];
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( ! empty( $field['max'] ) ) {
|
||
|
|
$schema['maxItems'] = (int) $field['max'];
|
||
|
|
}
|
||
|
|
|
||
|
|
return $schema;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @see \acf_field::get_rest_links()
|
||
|
|
* @param mixed $value The raw (unformatted) field value.
|
||
|
|
* @param int|string $post_id
|
||
|
|
* @param array $field
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function get_rest_links( $value, $post_id, array $field ) {
|
||
|
|
$links = array();
|
||
|
|
|
||
|
|
if ( empty( $value ) ) {
|
||
|
|
return $links;
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach ( (array) $value as $object_id ) {
|
||
|
|
if ( ! $post_type = get_post_type( $object_id ) or ! $post_type = get_post_type_object( $post_type ) ) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
$rest_base = acf_get_object_type_rest_base( $post_type );
|
||
|
|
$links[] = array(
|
||
|
|
'rel' => $post_type->name === 'attachment' ? 'acf:attachment' : 'acf:post',
|
||
|
|
'href' => rest_url( sprintf( '/wp/v2/%s/%s', $rest_base, $object_id ) ),
|
||
|
|
'embeddable' => true,
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $links;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Apply basic formatting to prepare the value for default REST output.
|
||
|
|
*
|
||
|
|
* @param mixed $value
|
||
|
|
* @param string|int $post_id
|
||
|
|
* @param array $field
|
||
|
|
* @return mixed
|
||
|
|
*/
|
||
|
|
public function format_value_for_rest( $value, $post_id, array $field ) {
|
||
|
|
return acf_format_numerics( $value );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// initialize
|
||
|
|
acf_register_field_type( 'acf_field_relationship' );
|
||
|
|
endif; // class_exists check
|
||
|
|
|
||
|
|
?>
|