302 lines
8.2 KiB
PHP
302 lines
8.2 KiB
PHP
<?php
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/**
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* REST API: WP_REST_Menu_Locations_Controller class
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*
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* @package WordPress
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* @subpackage REST_API
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* @since 5.9.0
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*/
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/**
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* Core class used to access menu locations via the REST API.
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*
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* @since 5.9.0
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*
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* @see WP_REST_Controller
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*/
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class WP_REST_Menu_Locations_Controller extends WP_REST_Controller {
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/**
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* Menu Locations Constructor.
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*
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* @since 5.9.0
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*/
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public function __construct() {
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$this->namespace = 'wp/v2';
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$this->rest_base = 'menu-locations';
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}
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/**
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* Registers the routes for the objects of the controller.
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*
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* @since 5.9.0
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*
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* @see register_rest_route()
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*/
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public function register_routes() {
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register_rest_route(
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$this->namespace,
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'/' . $this->rest_base,
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array(
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array(
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'methods' => WP_REST_Server::READABLE,
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'callback' => array( $this, 'get_items' ),
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'permission_callback' => array( $this, 'get_items_permissions_check' ),
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'args' => $this->get_collection_params(),
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),
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'schema' => array( $this, 'get_public_item_schema' ),
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)
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);
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register_rest_route(
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$this->namespace,
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'/' . $this->rest_base . '/(?P<location>[\w-]+)',
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array(
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'args' => array(
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'location' => array(
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'description' => __( 'An alphanumeric identifier for the menu location.' ),
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'type' => 'string',
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),
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),
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array(
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'methods' => WP_REST_Server::READABLE,
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'callback' => array( $this, 'get_item' ),
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'permission_callback' => array( $this, 'get_item_permissions_check' ),
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'args' => array(
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'context' => $this->get_context_param( array( 'default' => 'view' ) ),
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),
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),
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'schema' => array( $this, 'get_public_item_schema' ),
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)
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);
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}
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/**
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* Checks whether a given request has permission to read menu locations.
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*
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* @since 5.9.0
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return WP_Error|bool True if the request has read access, WP_Error object otherwise.
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*/
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public function get_items_permissions_check( $request ) {
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if ( ! current_user_can( 'edit_theme_options' ) ) {
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return new WP_Error(
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'rest_cannot_view',
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__( 'Sorry, you are not allowed to view menu locations.' ),
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array( 'status' => rest_authorization_required_code() )
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);
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}
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return true;
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}
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/**
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* Retrieves all menu locations, depending on user context.
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*
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* @since 5.9.0
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return WP_Error|WP_REST_Response Response object on success, or WP_Error object on failure.
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*/
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public function get_items( $request ) {
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$data = array();
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foreach ( get_registered_nav_menus() as $name => $description ) {
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$location = new stdClass();
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$location->name = $name;
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$location->description = $description;
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$location = $this->prepare_item_for_response( $location, $request );
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$data[ $name ] = $this->prepare_response_for_collection( $location );
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}
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return rest_ensure_response( $data );
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}
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/**
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* Checks if a given request has access to read a menu location.
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*
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* @since 5.9.0
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return WP_Error|bool True if the request has read access for the item, WP_Error object otherwise.
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*/
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public function get_item_permissions_check( $request ) {
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if ( ! current_user_can( 'edit_theme_options' ) ) {
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return new WP_Error(
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'rest_cannot_view',
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__( 'Sorry, you are not allowed to view menu locations.' ),
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array( 'status' => rest_authorization_required_code() )
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);
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}
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return true;
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}
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/**
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* Retrieves a specific menu location.
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*
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* @since 5.9.0
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return WP_Error|WP_REST_Response Response object on success, or WP_Error object on failure.
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*/
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public function get_item( $request ) {
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$registered_menus = get_registered_nav_menus();
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if ( ! array_key_exists( $request['location'], $registered_menus ) ) {
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return new WP_Error( 'rest_menu_location_invalid', __( 'Invalid menu location.' ), array( 'status' => 404 ) );
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}
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$location = new stdClass();
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$location->name = $request['location'];
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$location->description = $registered_menus[ $location->name ];
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$data = $this->prepare_item_for_response( $location, $request );
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return rest_ensure_response( $data );
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}
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/**
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* Prepares a menu location object for serialization.
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*
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* @since 5.9.0
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*
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* @param stdClass $item Post status data.
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* @param WP_REST_Request $request Full details about the request.
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* @return WP_REST_Response Menu location data.
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*/
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public function prepare_item_for_response( $item, $request ) {
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// Restores the more descriptive, specific name for use within this method.
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$location = $item;
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$locations = get_nav_menu_locations();
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$menu = isset( $locations[ $location->name ] ) ? $locations[ $location->name ] : 0;
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$fields = $this->get_fields_for_response( $request );
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$data = array();
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if ( rest_is_field_included( 'name', $fields ) ) {
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$data['name'] = $location->name;
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}
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if ( rest_is_field_included( 'description', $fields ) ) {
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$data['description'] = $location->description;
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}
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if ( rest_is_field_included( 'menu', $fields ) ) {
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$data['menu'] = (int) $menu;
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}
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$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
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$data = $this->add_additional_fields_to_object( $data, $request );
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$data = $this->filter_response_by_context( $data, $context );
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$response = rest_ensure_response( $data );
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$response->add_links( $this->prepare_links( $location ) );
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/**
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* Filters menu location data returned from the REST API.
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*
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* @since 5.9.0
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*
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* @param WP_REST_Response $response The response object.
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* @param object $location The original location object.
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* @param WP_REST_Request $request Request used to generate the response.
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*/
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return apply_filters( 'rest_prepare_menu_location', $response, $location, $request );
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}
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/**
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* Retrieves the menu location's schema, conforming to JSON Schema.
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*
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* @since 5.9.0
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*
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* @return array Item schema data.
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*/
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public function get_item_schema() {
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if ( $this->schema ) {
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return $this->add_additional_fields_schema( $this->schema );
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}
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$this->schema = array(
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'$schema' => 'http://json-schema.org/draft-04/schema#',
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'title' => 'menu-location',
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'type' => 'object',
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'properties' => array(
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'name' => array(
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'description' => __( 'The name of the menu location.' ),
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'type' => 'string',
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'context' => array( 'embed', 'view', 'edit' ),
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'readonly' => true,
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),
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'description' => array(
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'description' => __( 'The description of the menu location.' ),
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'type' => 'string',
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'context' => array( 'embed', 'view', 'edit' ),
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'readonly' => true,
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),
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'menu' => array(
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'description' => __( 'The ID of the assigned menu.' ),
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'type' => 'integer',
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'context' => array( 'embed', 'view', 'edit' ),
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'readonly' => true,
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),
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),
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);
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return $this->add_additional_fields_schema( $this->schema );
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}
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/**
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* Retrieves the query params for collections.
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*
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* @since 5.9.0
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*
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* @return array Collection parameters.
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*/
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public function get_collection_params() {
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return array(
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'context' => $this->get_context_param( array( 'default' => 'view' ) ),
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);
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}
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/**
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* Prepares links for the request.
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*
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* @since 5.9.0
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*
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* @param stdClass $location Menu location.
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* @return array Links for the given menu location.
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*/
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protected function prepare_links( $location ) {
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$base = sprintf( '%s/%s', $this->namespace, $this->rest_base );
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// Entity meta.
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$links = array(
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'self' => array(
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'href' => rest_url( trailingslashit( $base ) . $location->name ),
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),
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'collection' => array(
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'href' => rest_url( $base ),
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),
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);
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$locations = get_nav_menu_locations();
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$menu = isset( $locations[ $location->name ] ) ? $locations[ $location->name ] : 0;
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if ( $menu ) {
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$path = rest_get_route_for_term( $menu );
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if ( $path ) {
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$url = rest_url( $path );
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$links['https://api.w.org/menu'][] = array(
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'href' => $url,
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'embeddable' => true,
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);
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}
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}
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return $links;
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}
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}
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