<?php
/**
* REST API: WP_REST_Menu_Items_Controller class
*
* @package WordPress
* @subpackage REST_API
* @since 5.9.0
*/
/**
* Core class to access nav items via the REST API.
*
* @since 5.9.0
*
* @see WP_REST_Posts_Controller
*/
class WP_REST_Menu_Items_Controller extends WP_REST_Posts_Controller {
/**
* Gets the nav menu item, if the ID is valid.
*
* @since 5.9.0
*
* @param int $id Supplied ID.
* @return object|WP_Error Post object if ID is valid, WP_Error otherwise.
*/
protected function get_nav_menu_item( $id ) {
$post = $this->get_post( $id );
if ( is_wp_error( $post ) ) {
return $post;
}
return wp_setup_nav_menu_item( $post );
}
/**
* Checks if a given request has access to read menu items.
*
* @since 5.9.0
*
* @param WP_REST_Request $request Full details about the request.
* @return true|WP_Error True if the request has read access, WP_Error object otherwise.
*/
public function get_items_permissions_check( $request ) {
$has_permission = parent::get_items_permissions_check( $request );
if ( true !== $has_permission ) {
return $has_permission;
}
return $this->check_has_read_only_access( $request );
}
/**
* Checks if a given request has access to read a menu item if they have access to edit them.
*
* @since 5.9.0
*
* @param WP_REST_Request $request Full details about the request.
* @return bool|WP_Error True if the request has read access for the item, WP_Error object otherwise.
*/
public function get_item_permissions_check( $request ) {
$permission_check = parent::get_item_permissions_check( $request );
if ( true !== $permission_check ) {
return $permission_check;
}
return $this->check_has_read_only_access( $request );
}
/**
* Checks whether the current user has read permission for the endpoint.
*
* This allows for any user that can `edit_theme_options` or edit any REST API available post type.
*
* @since 5.9.0
*
* @param WP_REST_Request $request Full details about the request.
* @return bool|WP_Error Whether the current user has permission.
*/
protected function check_has_read_only_access( $request ) {
if ( current_user_can( 'edit_theme_options' ) ) {
return true;
}
if ( current_user_can( 'edit_posts' ) ) {
return true;
}
foreach ( get_post_types( array( 'show_in_rest' => true ), 'objects' ) as $post_type ) {
if ( current_user_can( $post_type->cap->edit_posts ) ) {
return true;
}
}
return new WP_Error(
'rest_cannot_view',
__( 'Sorry, you are not allowed to view menu items.' ),
array( 'status' => rest_authorization_required_code() )
);
}
/**
* Creates a single post.
*
* @since 5.9.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
*/
public function create_item( $request ) {
if ( ! empty( $request['id'] ) ) {
return new WP_Error( 'rest_post_exists', __( 'Cannot create existing post.' ), array( 'status' => 400 ) );
}
$prepared_nav_item = $this->prepare_item_for_database( $request );
if ( is_wp_error( $prepared_nav_item ) ) {
return $prepared_nav_item;
}
$prepared_nav_item = (array) $prepared_nav_item;
$nav_menu_item_id = wp_update_nav_menu_item( $prepared_nav_item['menu-id'], $prepared_nav_item['menu-item-db-id'], wp_slash( $prepared_nav_item ), false );
if ( is_wp_error( $nav_menu_item_id ) ) {
if ( 'db_insert_error' === $nav_menu_item_id->get_error_code() ) {
$nav_menu_item_id->add_data( array( 'status' => 500 ) );
} else {
$nav_menu_item_id->add_data( array( 'status' => 400 ) );
}
return $nav_menu_item_id;
}
$nav_menu_item = $this->get_nav_menu_item( $nav_menu_item_id );
if ( is_wp_error( $nav_menu_item ) ) {
$nav_menu_item->add_data( array( 'status' => 404 ) );
return $nav_menu_item;
}
/**
* Fires after a single menu item is created or updated via the REST API.
*
* @since 5.9.0
*
* @param object $nav_menu_item Inserted or updated menu item object.
* @param WP_REST_Request $request Request object.
* @param bool $creating True when creating a menu item, false when updating.
*/
do_action( 'rest_insert_nav_menu_item', $nav_menu_item, $request, true );
$schema = $this->get_item_schema();
if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) {
$meta_update = $this->meta->update_value( $request['meta'], $nav_menu_item_id );
if ( is_wp_error( $meta_update ) ) {
return $meta_update;
}
}
$nav_menu_item = $this->get_nav_menu_item( $nav_menu_item_id );
$fields_update = $this->update_additional_fields_for_object( $nav_menu_item, $request );
if ( is_wp_error( $fields_update ) ) {
return $fields_update;
}
$request->set_param( 'context', 'edit' );
/**
* Fires after a single menu item is completely created or updated via the REST API.
*
* @since 5.9.0
*
* @param object $nav_menu_item Inserted or updated menu item object.
* @param WP_REST_Request $request Request object.
* @param bool $creating True when creating a menu item, false when updating.
*/
do_action( 'rest_after_insert_nav_menu_item', $nav_menu_item, $request, true );
$post = get_post( $nav_menu_item_id );
wp_after_insert_post( $post, false, null );
$response = $this->prepare_item_for_response( $post, $request );
$response = rest_ensure_response( $response );
$response->set_status( 201 );
$response->header( 'Location', rest_url( sprintf( '%s/%s/%d', $this->namespace, $this->rest_base, $nav_menu_item_id ) ) );
return $response;
}
/**
* Updates a single nav menu item.
*
* @since 5.9.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
*/
public function update_item( $request ) {
$valid_check = $this->get_nav_menu_item( $request['id'] );
if ( is_wp_error( $valid_check ) ) {
return $valid_check;
}
$post_before = get_post( $request['id'] );
$prepared_nav_item = $this->prepare_item_for_database( $request );
if ( is_wp_error( $prepared_nav_item ) ) {
return $prepared_nav_item;
}
$prepared_nav_item = (array) $prepared_nav_item;
$nav_menu_item_id = wp_update_nav_menu_item( $prepared_nav_item['menu-id'], $prepared_nav_item['menu-item-db-id'], wp_slash( $prepared_nav_item ), false );
if ( is_wp_error( $nav_menu_item_id ) ) {
if ( 'db_update_error' === $nav_menu_item_id->get_error_code() ) {
$nav_menu_item_id->add_data( array( 'status' => 500 ) );
} else {
$nav_menu_item_id->add_data( array( 'status' => 400 ) );
}
return $nav_menu_item_id;
}
$nav_menu_item = $this->get_nav_menu_item( $nav_menu_item_id );
if ( is_wp_error( $nav_menu_item ) ) {
$nav_menu_item->add_data( array( 'status' => 404 ) );
return $nav_menu_item;
}
/** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-menu-items-controller.php */
do_action( 'rest_insert_nav_menu_item', $nav_menu_item, $request, false );
$schema = $this->get_item_schema();
if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) {
$meta_update = $this->meta->update_value( $request['meta'], $nav_menu_item->ID );
if ( is_wp_error( $meta_update ) ) {
return $meta_update;
}
}
$post = get_post( $nav_menu_item_id );
$nav_menu_item = $this->get_nav_menu_item( $nav_menu_item_id );
$fields_update = $this->update_additional_fields_for_object( $nav_menu_item, $request );
if ( is_wp_error( $fields_update ) ) {
return $fields_update;
}
$request->set_param( 'context', 'edit' );
/** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-menu-items-controller.php */
do_action( 'rest_after_insert_nav_menu_item', $nav_menu_item, $request, false );
wp_after_insert_post( $post, true, $post_before );
$response = $this->prepare_item_for_response( get_post( $nav_menu_item_id ), $request );
return rest_ensure_response( $response );
}
/**
* Deletes a single menu item.
*
* @since 5.9.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_REST_Response|WP_Error True on success, or WP_Error object on failure.
*/
public function delete_item( $request ) {
$menu_item = $this->get_nav_menu_item( $request['id'] );
if ( is_wp_error( $menu_item ) ) {
return $menu_item;
}
// We don't support trashing for menu items.
if ( ! $request['force'] ) {
/* translators: %s: force=true */
return new WP_Error( 'rest_trash_not_supported', sprintf( __( "Menu items do not support trashing. Set '%s' to delete." ), 'force=true' ), array( 'status' => 501 ) );
}
$previous = $this->prepare_item_for_response( get_post( $request['id'] ), $request );
$result = wp_delete_post( $request['id'], true );
if ( ! $result ) {
return new WP_Error( 'rest_cannot_delete', __( 'The post cannot be deleted.' ), array( 'status' => 500 ) );
}
$response = new WP_REST_Response();
$response->set_data(
array(
'deleted' => true,
'previous' => $previous->get_data(),
)
);
/**
* Fires immediately after a single menu item is deleted via the REST API.
*
* @since 5.9.0
*
* @param object $nav_menu_item Inserted or updated menu item object.
* @param WP_REST_Response $response The response data.
* @param WP_REST_Request $request Request object.
*/
do_action( 'rest_delete_nav_menu_item', $menu_item, $response, $request );
return $response;
}
/**
* Prepares a single post for create or update.
*
* @since 5.9.0
*
* @param WP_REST_Request $request Request object.
*
* @return object|WP_Error
*/
protected function prepare_item_for_database( $request ) {
$menu_item_db_id = $request['id'];
$menu_item_obj = $this->get_nav_menu_item( $menu_item_db_id );
// Need to persist the menu item data. See https://core.trac.wordpress.org/ticket/28138
if ( ! is_wp_error( $menu_item_obj ) ) {
// Correct the menu position if this was the first item. See https://core.trac.wordpress.org/ticket/28140
$position = ( 0 === $menu_item_obj->menu_order ) ? 1 : $menu_item_obj->menu_order;
$prepared_nav_item = array(
'menu-item-db-id' => $menu_item_db_id,
'menu-item-object-id' => $menu_item_obj->object_id,
'menu-item-object' => $menu_item_obj->object,
'menu-item-parent-id' => $menu_item_obj->menu_item_parent,
'menu-item-position' => $position,
'menu-item-type' => $menu_item_obj->type,
'menu-item-title' => $menu_item_obj->title,
'menu-item-url' => $menu_item_obj->url,
'menu-item-description' => $menu_item_obj->description,
'menu-item-attr-title' => $menu_item_obj->attr_title,
'menu-item-target' => $menu_item_obj->target,
'menu-item-classes' => $menu_item_obj->classes,
// Stored in the database as a string.
'menu-item-xfn' => explode( ' ', $menu_item_obj->xfn ),
'menu-item-status' => $menu_item_obj->post_status,
'menu-id' => $this->get_menu_id( $menu_item_db_id ),
);
} else {
$prepared_nav_item = array(
'menu-id' => 0,
'menu-item-db-id' => 0,
'menu-item-object-id' => 0,
'menu-item-object' => '',
'menu-item-parent-id' => 0,
'menu-item-position' => 1,
'menu-item-type' => 'custom',
'menu-item-title' => '',
'menu-item-url' => '',
'menu-item-description' => '',
'menu-item-attr-title' => '',
'menu-item-target' => '',
'menu-item-classes' => array(),
'menu-item-xfn' => array(),
'menu-item-status' => 'publish',
);
}
$mapping = array(
'menu-item-db-id' => 'id',
'menu-item-object-id' => 'object_id',
'menu-item-object' => 'object',
'menu-item-parent-id' => 'parent',
'menu-item-position' => 'menu_order',
'menu-item-type' => 'type',
'menu-item-url' => 'url',
'menu-item-description' => 'description',
'menu-item-attr-title' => 'attr_title',
'menu-item-target' => 'target',
'menu-item-classes' => 'classes',
'menu-item-xfn' => 'xfn',
'menu-item-status' => 'status',
);
$schema = $this->get_item_schema();
foreach ( $mapping as $original => $api_request ) {
if ( isset( $request[ $api_request ] ) ) {
$prepared_nav_item[ $original ] = $request[ $api_request ];
}
}
$taxonomy = get_taxonomy( 'nav_menu' );
$base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name;
// If menus submitted, cast to int.
if ( ! empty( $request[ $base ] ) ) {
$prepared_nav_item['menu-id'] = absint( $request[ $base ] );
}
// Nav menu title.
if ( ! empty( $schema['properties']['title'] ) && isset( $request['title'] ) ) {
if ( is_string( $request['title'] ) ) {
$prepared_nav_item['menu-item-title'] = $request['title'];
} elseif ( ! empty( $request['title']['raw'] ) ) {
$prepared_nav_item['menu-item-title'] = $request['title']['raw'];
}
}
$error = new WP_Error();
// Check if object id exists before saving.
if ( ! $prepared_nav_item['menu-item-object'] ) {
// If taxonomy, check if term exists.
if ( 'taxonomy' === $prepared_nav_item['menu-item-type'] ) {
$original = get_term( absint( $prepared_nav_item['menu-item-object-id'] ) );
if ( empty( $original ) || is_wp_error( $original ) ) {
$error->add( 'rest_term_invalid_id', __( 'Invalid term ID.' ), array( 'status' => 400 ) );
} else {
$prepared_nav_item['menu-item-object'] = get_term_field( 'taxonomy', $original );
}
// If post, check if post object exists.
} elseif ( 'post_type' === $prepared_nav_item['menu-item-type'] ) {
$original = get_post( absint( $prepared_nav_item['menu-item-object-id'] ) );
if ( empty( $original ) ) {
$error->add( 'rest_post_invalid_id', __( 'Invalid post ID.' ), array( 'status' => 400 ) );
} else {
$prepared_nav_item['menu-item-object'] = get_post_type( $original );
}
}
}
// If post type archive, check if post type exists.
if ( 'post_type_archive' === $prepared_nav_item['menu-item-type'] ) {
$post_type = $prepared_nav_item['menu-item-object'] ? $prepared_nav_item['menu-item-object'] : false;
$original = get_post_type_object( $post_type );
if ( ! $original ) {
$error->add( 'rest_post_invalid_type', __( 'Invalid post type.' ), array( 'status' => 400 ) );
}
}
// Check if menu item is type custom, then title and url are required.
if ( 'custom' === $prepared_nav_item['menu-item-type'] ) {
if ( '' === $prepared_nav_item['menu-item-title'] ) {
$error->add( 'rest_title_required', __( 'The title is required when using a custom menu item type.' ), array( 'status' => 400 ) );
}
if ( empty( $prepared_nav_item['menu-item-url'] ) ) {
$error->add( 'rest_url_required', __( 'The url is required when using a custom menu item type.' ), array( 'status' => 400 ) );
}
}
if ( $error->has_errors() ) {
return $error;
}
// The xfn and classes properties are arrays, but passed to wp_update_nav_menu_item as a string.
foreach ( array( 'menu-item-xfn', 'menu-item-classes' ) as $key ) {
$prepared_nav_item[ $key ] = implode( ' ', $prepared_nav_item[ $key ] );
}
// Only draft / publish are valid post status for menu items.
if ( 'publish' !== $prepared_nav_item['menu-item-status'] ) {
$prepared_nav_item['menu-item-status'] = 'draft';
}
$prepared_nav_item = (object) $prepared_nav_item;
/**
* Filters a menu item before it is inserted via the REST API.
*
* @since 5.9.0
*
* @param object $prepared_nav_item An object representing a single menu item prepared
* for inserting or updating the database.
* @param WP_REST_Request $request Request object.
*/
return apply_filters( 'rest_pre_insert_nav_menu_item', $prepared_nav_item, $request );
}
/**
* Prepares a single post output for response.
*
* @since 5.9.0
*
* @param WP_Post $item Post object.
* @param WP_REST_Request $request Request object.
* @return WP_REST_Response Response object.
*/
public function prepare_item_for_response( $item, $request ) {
// Base fields for every post.
$fields = $this->get_fields_for_response( $request );
$menu_item = $this->get_nav_menu_item( $item->ID );
$data = array();
if ( rest_is_field_included( 'id', $fields ) ) {
$data['id'] = $menu_item->ID;
}
if ( rest_is_field_included( 'title', $fields ) ) {
$data['title'] = array();
}
if ( rest_is_field_included( 'title.raw', $fields ) ) {
$data['title']['raw'] = $menu_item->title;
}
if ( rest_is_field_included( 'title.rendered', $fields ) ) {
add_filter( 'protected_title_format', array( $this, 'protected_title_format' ) );
/** This filter is documented in wp-includes/post-template.php */
$title = apply_filters( 'the_title', $menu_item->title, $menu_item->ID );
$data['title']['rendered'] = $title;
remove_filter( 'protected_title_format', array( $this, 'protected_title_format' ) );
}
if ( rest_is_field_included( 'status', $fields ) ) {
$data['status'] = $menu_item->post_status;
}
if ( rest_is_field_included( 'url', $fields ) ) {
$data['url'] = $menu_item->url;
}
if ( rest_is_field_included( 'attr_title', $fields ) ) {
// Same as post_excerpt.
$data['attr_title'] = $menu_item->attr_title;
}
if ( rest_is_field_included( 'description', $fields ) ) {
// Same as post_content.
$data['description'] = $menu_item->description;
}
if ( rest_is_field_included( 'type', $fields ) ) {
$data['type'] = $menu_item->type;
}
if ( rest_is_field_included( 'type_label', $fields ) ) {
$data['type_label'] = $menu_item->type_label;
}
if ( rest_is_field_included( 'object', $fields ) ) {
$data['object'] = $menu_item->object;
}
if ( rest_is_field_included( 'object_id', $fields ) ) {
// It is stored as a string, but should be exposed as an integer.
$data['object_id'] = absint( $menu_item->object_id );
}
if ( rest_is_field_included( 'parent', $fields ) ) {
// Same as post_parent, exposed as an integer.
$data['parent'] = (int) $menu_item->menu_item_parent;
}
if ( rest_is_field_included( 'menu_order', $fields ) ) {
// Same as post_parent, exposed as an integer.
$data['menu_order'] = (int) $menu_item->menu_order;
}
if ( rest_is_field_included( 'target', $fields ) ) {
$data['target'] = $menu_item->target;
}
if ( rest_is_field_included( 'classes', $fields ) ) {
$data['classes'] = (array) $menu_item->classes;
}
if ( rest_is_field_included( 'xfn', $fields ) ) {
$data['xfn'] = array_map( 'sanitize_html_class', explode( ' ', $menu_item->xfn ) );
}
if ( rest_is_field_included( 'invalid', $fields ) ) {
$data['invalid'] = (bool) $menu_item->_invalid;
}
if ( rest_is_field_included( 'meta', $fields ) ) {
$data['meta'] = $this->meta->get_value( $menu_item->ID, $request );
}
$taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) );
foreach ( $taxonomies as $taxonomy ) {
$base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name;
if ( rest_is_field_included( $base, $fields ) ) {
$terms = get_the_terms( $item, $taxonomy->name );
if ( ! is_array( $terms ) ) {
continue;
}
$term_ids = $terms ? array_values( wp_list_pluck( $terms, 'term_id' ) ) : array();
if ( 'nav_menu' === $taxonomy->name ) {
$data[ $base ] = $term_ids ? array_shift( $term_ids ) : 0;
} else {
$data[ $base ] = $term_ids;
}
}
}
$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
$data = $this->add_additional_fields_to_object( $data, $request );
$data = $this->filter_response_by_context( $data, $context );
// Wrap the data in a response object.
$response = rest_ensure_response( $data );
if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) {
$links = $this->prepare_links( $item );
$response->add_links( $links );
if ( ! empty( $links['self']['href'] ) ) {
$actions = $this->get_available_actions( $item, $request );
$self = $links['self']['href'];
foreach ( $actions as $rel ) {
$response->add_link( $rel, $self );
}
}
}
/**
* Filters the menu item data for a REST API response.
*
* @since 5.9.0
*
* @param WP_REST_Response $response The response object.
* @param object $menu_item Menu item setup by {@see wp_setup_nav_menu_item()}.
* @param WP_REST_Request $request Request object.
*/
return apply_filters( 'rest_prepare_nav_menu_item', $response, $menu_item, $request );
}
/**
* Prepares links for the request.
*
* @since 5.9.0
*
* @param WP_Post $post Post object.
* @return array Links for the given post.
*/
protected function prepare_links( $post ) {
$links = parent::prepare_links( $post );
$menu_item = $this->get_nav_menu_item( $post->ID );
if ( empty( $menu_item->object_id ) ) {
return $links;
}
$path = '';
$type = '';
$key = $menu_item->type;
if ( 'post_type' === $menu_item->type ) {
$path = rest_get_route_for_post( $menu_item->object_id );
$type = get_post_type( $menu_item->object_id );
} elseif ( 'taxonomy' === $menu_item->type ) {
$path = rest_get_route_for_term( $menu_item->object_id );
$type = get_term_field( 'taxonomy', $menu_item->object_id );
}
if ( $path && $type ) {
$links['https://api.w.org/menu-item-object'][] = array(
'href' => rest_url( $path ),
$key => $type,
'embeddable' => true,
);
}
return $links;
}
/**
* Retrieves Link Description Objects that should be added to the Schema for the posts collection.
*
* @since 5.9.0
*
* @return array
*/
protected function get_schema_links() {
$links = parent::get_schema_links();
$href = rest_url( "{$this->namespace}/{$this->rest_base}/{id}" );
$links[] = array(
'rel' => 'https://api.w.org/menu-item-object',
'title' => __( 'Get linked object.' ),
'href' => $href,
'targetSchema' => array(
'type' => 'object',
'properties' => array(
'object' => array(
'type' => 'integer',
),
),
),
);
return $links;
}
/**
* Retrieves the term's schema, conforming to JSON Schema.
*
* @since 5.9.0
*
* @return array Item schema data.
*/
public function get_item_schema() {
$schema = array(
'$schema' => 'http://json-schema.org/draft-04/schema#',
'title' => $this->post_type,
'type' => 'object',
);
$schema['properties']['title'] = array(
'description' => __( 'The title for the object.' ),
'type' => array( 'string', 'object' ),
'context' => array( 'view', 'edit', 'embed' ),
'properties' => array(
'raw' => array(
'description' => __( 'Title for the object, as it exists in the database.' ),
'type' => 'string',
'context' => array( 'edit' ),
),
'rendered' => array(
'description' => __( 'HTML title for the object, transformed for display.' ),
'type' => 'string',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
),
);
$schema['properties']['id'] = array(
'description' => __( 'Unique identifier for the object.' ),
'type' => 'integer',
'default' => 0,
'minimum' => 0,
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
);
$schema['properties']['type_label'] = array(
'description' => __( 'The singular label used to describe this type of menu item.' ),
'type' => 'string',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
);
$schema['properties']['type'] = array(
'description' => __( 'The family of objects originally represented, such as "post_type" or "taxonomy".' ),
'type' => 'string',
'enum' => array( 'taxonomy', 'post_type', 'post_type_archive', 'custom' ),
'context' => array( 'view', 'edit', 'embed' ),
'default' => 'custom',
);
$schema['properties']['status'] = array(
'description' => __( 'A named status for the object.' ),
'type' => 'string',
'enum' => array_keys( get_post_stati( array( 'internal' => false ) ) ),
'default' => 'publish',
'context' => array( 'view', 'edit', 'embed' ),
);
$schema['properties']['parent'] = array(
'description' => __( 'The ID for the parent of the object.' ),
'type' => 'integer',
'minimum' => 0,
'default' => 0,
'context' => array( 'view', 'edit', 'embed' ),
);
$schema['properties']['attr_title'] = array(
'description' => __( 'Text for the title attribute of the link element for this menu item.' ),
'type' => 'string',
'context' => array( 'view', 'edit', 'embed' ),
'arg_options' => array(
'sanitize_callback' => 'sanitize_text_field',
),
);
$schema['properties']['classes'] = array(
'description' => __( 'Class names for the link element of this menu item.' ),
'type' => 'array',
'items' => array(
'type' => 'string',
),
'context' => array( 'view', 'edit', 'embed' ),
'arg_options' => array(
'sanitize_callback' => function ( $value ) {
return array_map( 'sanitize_html_class', wp_parse_list( $value ) );
},
),
);
$schema['properties']['description'] = array(
'description' => __( 'The description of this menu item.' ),
'type' => 'string',
'context' => array( 'view', 'edit', 'embed' ),
'arg_options' => array(
'sanitize_callback' => 'sanitize_text_field',
),
);
$schema['properties']['menu_order'] = array(
'description' => __( 'The DB ID of the nav_menu_item that is this item\'s menu parent, if any, otherwise 0.' ),
'context' => array( 'view', 'edit', 'embed' ),
'type' => 'integer',
'minimum' => 1,
'default' => 1,
);
$schema['properties']['object'] = array(
'description' => __( 'The type of object originally represented, such as "category", "post", or "attachment".' ),
'context' => array( 'view', 'edit', 'embed' ),
'type' => 'string',
'arg_options' => array(
'sanitize_callback' => 'sanitize_key',
),
);
$schema['properties']['object_id'] = array(
'description' => __( 'The database ID of the original object this menu item represents, for example the ID for posts or the term_id for categories.' ),
'context' => array( 'view', 'edit', 'embed' ),
'type' => 'integer',
'minimum' => 0,
'default' => 0,
);
$schema['properties']['target'] = array(
'description' => __( 'The target attribute of the link element for this menu item.' ),
'type' => 'string',
'context' => array( 'view', 'edit', 'embed' ),
'enum' => array(
'_blank',
'',
),
);
$schema['properties']['url'] = array(
'description' => __( 'The URL to which this menu item points.' ),
'type' => 'string',
'format' => 'uri',
'context' => array( 'view', 'edit', 'embed' ),
'arg_options' => array(
'validate_callback' => static function ( $url ) {
if ( '' === $url ) {
return true;
}
if ( sanitize_url( $url ) ) {
return true;
}
return new WP_Error(
'rest_invalid_url',
__( 'Invalid URL.' )
);
},
),
);
$schema['properties']['xfn'] = array(
'description' => __( 'The XFN relationship expressed in the link of this menu item.' ),
'type' => 'array',
'items' => array(
'type' => 'string',
),
'context' => array( 'view', 'edit', 'embed' ),
'arg_options' => array(
'sanitize_callback' => function ( $value ) {
return array_map( 'sanitize_html_class', wp_parse_list( $value ) );
},
),
);
$schema['properties']['invalid'] = array(
'description' => __( 'Whether the menu item represents an object that no longer exists.' ),
'context' => array( 'view', 'edit', 'embed' ),
'type' => 'boolean',
'readonly' => true,
);
$taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) );
foreach ( $taxonomies as $taxonomy ) {
$base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name;
$schema['properties'][ $base ] = array(
/* translators: %s: taxonomy name */
'description' => sprintf( __( 'The terms assigned to the object in the %s taxonomy.' ), $taxonomy->name ),
'type' => 'array',
'items' => array(
'type' => 'integer',
),
'context' => array( 'view', 'edit' ),
);
if ( 'nav_menu' === $taxonomy->name ) {
$schema['properties'][ $base ]['type'] = 'integer';
unset( $schema['properties'][ $base ]['items'] );
}
}
$schema['properties']['meta'] = $this->meta->get_field_schema();
$schema_links = $this->get_schema_links();
if ( $schema_links ) {
$schema['links'] = $schema_links;
}
return $this->add_additional_fields_schema( $schema );
}
/**
* Retrieves the query params for the posts collection.
*
* @since 5.9.0
*
* @return array Collection parameters.
*/
public function get_collection_params() {
$query_params = parent::get_collection_params();
$query_params['menu_order'] = array(
'description' => __( 'Limit result set to posts with a specific menu_order value.' ),
'type' => 'integer',
);
$query_params['order'] = array(
'description' => __( 'Order sort attribute ascending or descending.' ),
'type' => 'string',
'default' => 'asc',
'enum' => array( 'asc', 'desc' ),
);
$query_params['orderby'] = array(
'description' => __( 'Sort collection by object attribute.' ),
'type' => 'string',
'default' => 'menu_order',
'enum' => array(
'author',
'date',
'id',
'include',
'modified',
'parent',
'relevance',
'slug',
'include_slugs',
'title',
'menu_order',
),
);
// Change default to 100 items.
$query_params['per_page']['default'] = 100;
return $query_params;
}
/**
* Determines the allowed query_vars for a get_items() response and prepares
* them for WP_Query.
*
* @since 5.9.0
*
* @param array $prepared_args Optional. Prepared WP_Query arguments. Default empty array.
* @param WP_REST_Request $request Optional. Full details about the request.
* @return array Items query arguments.
*/
protected function prepare_items_query( $prepared_args = array(), $request = null ) {
$query_args = parent::prepare_items_query( $prepared_args, $request );
// Map to proper WP_Query orderby param.
if ( isset( $query_args['orderby'], $request['orderby'] ) ) {
$orderby_mappings = array(
'id' => 'ID',
'include' => 'post__in',
'slug' => 'post_name',
'include_slugs' => 'post_name__in',
'menu_order' => 'menu_order',
);
if ( isset( $orderby_mappings[ $request['orderby'] ] ) ) {
$query_args['orderby'] = $orderby_mappings[ $request['orderby'] ];
}
}
$query_args['update_menu_item_cache'] = true;
return $query_args;
}
/**
* Gets the id of the menu that the given menu item belongs to.
*
* @since 5.9.0
*
* @param int $menu_item_id Menu item id.
* @return int
*/
protected function get_menu_id( $menu_item_id ) {
$menu_ids = wp_get_post_terms( $menu_item_id, 'nav_menu', array( 'fields' => 'ids' ) );
$menu_id = 0;
if ( $menu_ids && ! is_wp_error( $menu_ids ) ) {
$menu_id = array_shift( $menu_ids );
}
return $menu_id;
}
}
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