305 lines
		
	
	
		
			8.3 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			305 lines
		
	
	
		
			8.3 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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| /**
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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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| 	/**
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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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| 	/**
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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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| 
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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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| 	/**
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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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| 
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| 		return true;
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| 	}
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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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| 
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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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| 
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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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| 
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| 		return rest_ensure_response( $data );
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| 	}
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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 true|WP_Error 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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| 
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| 		return true;
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| 	}
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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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| 
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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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| 
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| 		$data = $this->prepare_item_for_response( $location, $request );
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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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| 	/**
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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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| 
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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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| 
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| 		$fields = $this->get_fields_for_response( $request );
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| 		$data   = array();
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| 		$response = rest_ensure_response( $data );
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| 
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| 		if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) {
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| 			$response->add_links( $this->prepare_links( $location ) );
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| 		}
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| 
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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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| 	/**
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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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| 
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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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| 
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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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| 
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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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| 
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| 		return $links;
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| 	}
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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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| 
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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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| 
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| 		return $this->add_additional_fields_schema( $this->schema );
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| 	}
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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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