File "class-wp-rest-menus-controller.php"
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<?php
/**
* REST API: WP_REST_Menus_Controller class
*
* @package WordPress
* @subpackage REST_API
*/
/**
* Core class used to managed menu terms associated via the REST API.
*
* @see WP_REST_Controller
*/
class WP_REST_Menus_Controller extends WP_REST_Terms_Controller {
/**
* Constructor.
*
* @param string $taxonomy Taxonomy key.
*/
public function __construct( $taxonomy ) {
parent::__construct( $taxonomy );
$this->namespace = '__experimental';
}
/**
* Checks if a request has access to read terms in the specified taxonomy.
*
* @param WP_REST_Request $request Full details about the request.
* @return bool|WP_Error True if the request has read access, otherwise false or WP_Error object.
*/
public function get_items_permissions_check( $request ) {
$tax_obj = get_taxonomy( $this->taxonomy );
if ( ! $tax_obj || ! $this->check_is_taxonomy_allowed( $this->taxonomy ) ) {
return false;
}
if ( ! current_user_can( $tax_obj->cap->edit_terms ) ) {
if ( 'edit' === $request['context'] ) {
return new WP_Error( 'rest_forbidden_context', __( 'Sorry, you are not allowed to edit terms in this taxonomy.', 'kubio' ), array( 'status' => rest_authorization_required_code() ) );
}
return new WP_Error( 'rest_cannot_view', __( 'Sorry, you cannot view these menus, unless you have access to permission edit them. ', 'kubio' ), array( 'status' => rest_authorization_required_code() ) );
}
return true;
}
/**
* Checks if a request has access to read or edit the specified menu.
*
* @param WP_REST_Request $request Full details about the request.
* @return bool|WP_Error True if the request has read access for the item, otherwise false or WP_Error object.
*/
public function get_item_permissions_check( $request ) {
$term = $this->get_term( $request['id'] );
if ( is_wp_error( $term ) ) {
return $term;
}
if ( ! current_user_can( 'edit_term', $term->term_id ) ) {
if ( 'edit' === $request['context'] ) {
return new WP_Error( 'rest_forbidden_context', __( 'Sorry, you are not allowed to edit this term.', 'kubio' ), array( 'status' => rest_authorization_required_code() ) );
}
return new WP_Error( 'rest_cannot_view', __( 'Sorry, you cannot view this menu, unless you have access to permission edit it. ', 'kubio' ), array( 'status' => rest_authorization_required_code() ) );
}
return true;
}
/**
* Get the term, if the ID is valid.
*
* @param int $id Supplied ID.
*
* @return WP_Term|WP_Error Term object if ID is valid, WP_Error otherwise.
*/
protected function get_term( $id ) {
$term = parent::get_term( $id );
if ( is_wp_error( $term ) ) {
return $term;
}
$nav_term = wp_get_nav_menu_object( $term );
$nav_term->auto_add = $this->get_menu_auto_add( $nav_term->term_id );
return $nav_term;
}
/**
* Checks if a request has access to create a term.
* Also check if request can assign menu locations.
*
* @param WP_REST_Request $request Full details about the request.
*
* @return bool|WP_Error True if the request has access to create items, false or WP_Error object otherwise.
*/
public function create_item_permissions_check( $request ) {
$check = $this->check_assign_locations_permission( $request );
if ( is_wp_error( $check ) ) {
return $check;
}
$check = $this->check_set_auto_add_permission( $request );
if ( is_wp_error( $check ) ) {
return $check;
}
return parent::create_item_permissions_check( $request );
}
/**
* Checks if a request has access to update the specified term.
*
* @param WP_REST_Request $request Full details about the request.
*
* @return bool|WP_Error True if the request has access to update the item, false or WP_Error object otherwise.
*/
public function update_item_permissions_check( $request ) {
$check = $this->check_assign_locations_permission( $request );
if ( is_wp_error( $check ) ) {
return $check;
}
$check = $this->check_set_auto_add_permission( $request );
if ( is_wp_error( $check ) ) {
return $check;
}
return parent::update_item_permissions_check( $request );
}
/**
* Checks whether current user can assign all locations sent with the current request.
*
* @param WP_REST_Request $request The request object with post and locations data.
*
* @return bool|WP_Error Whether the current user can assign the provided terms.
*/
protected function check_assign_locations_permission( $request ) {
if ( ! isset( $request['locations'] ) ) {
return true;
}
if ( ! current_user_can( 'edit_theme_options' ) ) {
return new WP_Error( 'rest_cannot_assign_location', __( 'Sorry, you are not allowed to assign the provided locations.', 'kubio' ), array( 'status' => rest_authorization_required_code() ) );
}
foreach ( $request['locations'] as $location ) {
if ( ! array_key_exists( $location, get_registered_nav_menus() ) ) {
return new WP_Error(
'rest_menu_location_invalid',
__( 'Invalid menu location.', 'kubio' ),
array(
'status' => 400,
'location' => $location,
)
);
}
}
return true;
}
/**
* Checks whether current user can set auto add pages.
*
* @param WP_REST_Request $request The request object with post and locations data.
*
* @return true|WP_Error Whether the current user can assign the provided terms.
*/
protected function check_set_auto_add_permission( $request ) {
if ( ! isset( $request['auto_add'] ) ) {
return true;
}
if ( ! current_user_can( 'edit_theme_options' ) ) {
return new WP_Error( 'rest_cannot_set_auto_add', __( 'Sorry, you are not allowed to set auto add pages.', 'kubio' ), array( 'status' => rest_authorization_required_code() ) );
}
return true;
}
/**
* Prepares a single term output for response.
*
* @param obj $term Term object.
* @param WP_REST_Request $request Request object.
*
* @return WP_REST_Response $response Response object.
*/
public function prepare_item_for_response( $term, $request ) {
$nav_menu = wp_get_nav_menu_object( $term );
$response = parent::prepare_item_for_response( $nav_menu, $request );
$fields = $this->get_fields_for_response( $request );
$data = $response->get_data();
if ( in_array( 'locations', $fields, true ) ) {
$data['locations'] = $this->get_menu_locations( $nav_menu->term_id );
}
if ( in_array( 'auto_add', $fields, true ) ) {
$auto_add = $this->get_menu_auto_add( $nav_menu->term_id );
$data['auto_add'] = $auto_add;
}
$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
$data = $this->add_additional_fields_to_object( $data, $request );
$data = $this->filter_response_by_context( $data, $context );
$response = rest_ensure_response( $data );
$response->add_links( $this->prepare_links( $term ) );
/** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php */
return apply_filters( "rest_prepare_{$this->taxonomy}", $response, $term, $request );
}
/**
* Prepares links for the request.
*
* @param object $term Term object.
*
* @return array Links for the given term.
*/
protected function prepare_links( $term ) {
$links = parent::prepare_links( $term );
$locations = $this->get_menu_locations( $term->term_id );
$rest_base = 'menu-locations';
foreach ( $locations as $location ) {
$url = rest_url( sprintf( '__experimental/%s/%s', $rest_base, $location ) );
$links['https://api.w.org/menu-location'][] = array(
'href' => $url,
'embeddable' => true,
);
}
return $links;
}
/**
* Prepares a single term for create or update.
*
* @param WP_REST_Request $request Request object.
*
* @return array $prepared_term Term object.
*/
public function prepare_item_for_database( $request ) {
$prepared_term = parent::prepare_item_for_database( $request );
$prepared_term = (array) $prepared_term;
$schema = $this->get_item_schema();
if ( isset( $request['name'] ) && ! empty( $schema['properties']['name'] ) ) {
$prepared_term['menu-name'] = $request['name'];
}
return $prepared_term;
}
/**
* Creates a single term in a taxonomy.
*
* @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 ( isset( $request['parent'] ) ) {
if ( ! is_taxonomy_hierarchical( $this->taxonomy ) ) {
return new WP_Error( 'rest_taxonomy_not_hierarchical', __( 'Cannot set parent term, taxonomy is not hierarchical.', 'kubio' ), array( 'status' => 400 ) );
}
$parent = wp_get_nav_menu_object( (int) $request['parent'] );
if ( ! $parent ) {
return new WP_Error( 'rest_term_invalid', __( 'Parent term does not exist.', 'kubio' ), array( 'status' => 400 ) );
}
}
$prepared_term = $this->prepare_item_for_database( $request );
$term = wp_update_nav_menu_object( 0, wp_slash( (array) $prepared_term ) );
if ( is_wp_error( $term ) ) {
/*
* If we're going to inform the client that the term already exists,
* give them the identifier for future use.
*/
$term_id = $term->get_error_data( 'term_exists' );
if ( $term_id ) {
$existing_term = get_term( $term_id, $this->taxonomy );
$term->add_data( $existing_term->term_id, 'term_exists' );
$term->add_data(
array(
'status' => 400,
'term_id' => $term_id,
)
);
}
return $term;
}
$term = $this->get_term( $term );
/**
* Fires after a single term is created or updated via the REST API.
*
* The dynamic portion of the hook name, `$this->taxonomy`, refers to the taxonomy slug.
*
* @param WP_Term $term Inserted or updated term object.
* @param WP_REST_Request $request Request object.
* @param bool $creating True when creating a term, false when updating.
*/
do_action( "rest_insert_{$this->taxonomy}", $term, $request, true );
$schema = $this->get_item_schema();
if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) {
$meta_update = $this->meta->update_value( $request['meta'], $term->term_id );
if ( is_wp_error( $meta_update ) ) {
return $meta_update;
}
}
$locations_update = $this->handle_locations( $term->term_id, $request );
if ( is_wp_error( $locations_update ) ) {
return $locations_update;
}
$this->handle_auto_add( $term->term_id, $request );
$fields_update = $this->update_additional_fields_for_object( $term, $request );
if ( is_wp_error( $fields_update ) ) {
return $fields_update;
}
$request->set_param( 'context', 'view' );
/**
* Fires after a single term is completely created or updated via the REST API.
*
* The dynamic portion of the hook name, `$this->taxonomy`, refers to the taxonomy slug.
*
* @param WP_Term $term Inserted or updated term object.
* @param WP_REST_Request $request Request object.
* @param bool $creating True when creating a term, false when updating.
*
* @since 5.0.0
*/
do_action( "rest_after_insert_{$this->taxonomy}", $term, $request, true );
$response = $this->prepare_item_for_response( $term, $request );
$response = rest_ensure_response( $response );
$response->set_status( 201 );
$response->header( 'Location', rest_url( $this->namespace . '/' . $this->rest_base . '/' . $term->term_id ) );
return $response;
}
/**
* Updates a single term from a taxonomy.
*
* @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 ) {
$term = $this->get_term( $request['id'] );
if ( is_wp_error( $term ) ) {
return $term;
}
if ( isset( $request['parent'] ) ) {
if ( ! is_taxonomy_hierarchical( $this->taxonomy ) ) {
return new WP_Error( 'rest_taxonomy_not_hierarchical', __( 'Cannot set parent term, taxonomy is not hierarchical.', 'kubio' ), array( 'status' => 400 ) );
}
$parent = get_term( (int) $request['parent'], $this->taxonomy );
if ( ! $parent ) {
return new WP_Error( 'rest_term_invalid', __( 'Parent term does not exist.', 'kubio' ), array( 'status' => 400 ) );
}
}
$prepared_term = $this->prepare_item_for_database( $request );
// Only update the term if we haz something to update.
if ( ! empty( $prepared_term ) ) {
$update = wp_update_nav_menu_object( $term->term_id, wp_slash( (array) $prepared_term ) );
if ( is_wp_error( $update ) ) {
return $update;
}
}
$term = get_term( $term->term_id, $this->taxonomy );
/** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php */
do_action( "rest_insert_{$this->taxonomy}", $term, $request, false );
$schema = $this->get_item_schema();
if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) {
$meta_update = $this->meta->update_value( $request['meta'], $term->term_id );
if ( is_wp_error( $meta_update ) ) {
return $meta_update;
}
}
$locations_update = $this->handle_locations( $term->term_id, $request );
if ( is_wp_error( $locations_update ) ) {
return $locations_update;
}
$this->handle_auto_add( $term->term_id, $request );
$fields_update = $this->update_additional_fields_for_object( $term, $request );
if ( is_wp_error( $fields_update ) ) {
return $fields_update;
}
$request->set_param( 'context', 'view' );
/** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php */
do_action( "rest_after_insert_{$this->taxonomy}", $term, $request, false );
$response = $this->prepare_item_for_response( $term, $request );
return rest_ensure_response( $response );
}
/**
* Deletes a single term from a taxonomy.
*
* @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 delete_item( $request ) {
$term = $this->get_term( $request['id'] );
if ( is_wp_error( $term ) ) {
return $term;
}
$force = isset( $request['force'] ) ? (bool) $request['force'] : false;
// We don't support trashing for terms.
if ( ! $force ) {
/* translators: %s: force=true */
return new WP_Error( 'rest_trash_not_supported', sprintf( __( "Terms do not support trashing. Set '%s' to delete.", 'kubio' ), 'force=true' ), array( 'status' => 501 ) );
}
$request->set_param( 'context', 'view' );
$previous = $this->prepare_item_for_response( $term, $request );
$retval = wp_delete_nav_menu( $term );
if ( ! $retval ) {
return new WP_Error( 'rest_cannot_delete', __( 'The term cannot be deleted.', 'kubio' ), array( 'status' => 500 ) );
}
$response = new WP_REST_Response();
$response->set_data(
array(
'deleted' => true,
'previous' => $previous->get_data(),
)
);
/**
* Fires after a single term is deleted via the REST API.
*
* The dynamic portion of the hook name, `$this->taxonomy`, refers to the taxonomy slug.
*
* @param WP_Term $term The deleted term.
* @param WP_REST_Response $response The response data.
* @param WP_REST_Request $request The request sent to the API.
*/
do_action( "rest_delete_{$this->taxonomy}", $term, $response, $request );
return $response;
}
/**
* Returns the value of a menu's auto_add
*
* @param int $menu_id The menu id to update the location form.
*
* @return bool The value of auto_add.
*/
public function get_menu_auto_add( $menu_id ) {
$nav_menu_option = (array) get_option( 'nav_menu_options', array( 'auto_add' => array() ) );
$check = in_array( $menu_id, $nav_menu_option['auto_add'], true );
return $check;
}
/**
* Updates the menu's auto add from a REST request.
*
* @param int $menu_id The menu id to update the location form.
* @param WP_REST_Request $request The request object with menu and locations data.
*
* @return bool True if the auto update was successfully updated.
*/
public function handle_auto_add( $menu_id, $request ) {
if ( ! isset( $request['auto_add'] ) ) {
return true;
}
$nav_menu_option = (array) get_option( 'nav_menu_options', array( 'auto_add' => array() ) );
if ( ! isset( $nav_menu_option['auto_add'] ) ) {
$nav_menu_option['auto_add'] = array();
}
$auto_add = $request['auto_add'];
$i = array_search( $menu_id, $nav_menu_option['auto_add'], true );
if ( $auto_add && false === $i ) {
$nav_menu_option['auto_add'][] = $menu_id;
} elseif ( ! $auto_add && false !== $i ) {
array_splice( $nav_menu_option['auto_add'], $i, 1 );
}
$update = update_option( 'nav_menu_options', $nav_menu_option );
/** This action is documented in wp-includes/nav-menu.php */
do_action( 'wp_update_nav_menu', $menu_id );
return $update;
}
/**
* Returns names of the locations assigned to the menu.
*
* @since 5.8.0
*
* @param int $menu_id The menu id.
*
* @return string[] $menu_locations The locations assigned to the menu.
*/
protected function get_menu_locations( $menu_id ) {
$locations = get_nav_menu_locations();
$menu_locations = array();
foreach ( $locations as $location => $assigned_menu_id ) {
if ( $menu_id === $assigned_menu_id ) {
$menu_locations[] = $location;
}
}
return $menu_locations;
}
/**
* Updates the menu's locations from a REST request.
*
* @param int $menu_id The menu id to update the location form.
* @param WP_REST_Request $request The request object with menu and locations data.
*
* @return true|WP_Error WP_Error on an error assigning any of the locations, otherwise null.
*/
protected function handle_locations( $menu_id, $request ) {
if ( ! isset( $request['locations'] ) ) {
return true;
}
$menu_locations = get_registered_nav_menus();
$menu_locations = array_keys( $menu_locations );
$new_locations = array();
foreach ( $request['locations'] as $location ) {
if ( ! in_array( $location, $menu_locations, true ) ) {
return new WP_Error( 'invalid_menu_location', __( 'Menu location does not exist.', 'kubio' ), array( 'status' => 400 ) );
}
$new_locations[ $location ] = $menu_id;
}
$assigned_menu = get_nav_menu_locations();
foreach ( $assigned_menu as $location => $term_id ) {
if ( $term_id === $menu_id ) {
unset( $assigned_menu[ $location ] );
}
}
$new_assignments = array_merge( $assigned_menu, $new_locations );
set_theme_mod( 'nav_menu_locations', $new_assignments );
return true;
}
/**
* Retrieves the term's schema, conforming to JSON Schema.
*
* @return array Item schema data.
*/
public function get_item_schema() {
$schema = parent::get_item_schema();
unset( $schema['properties']['count'] );
unset( $schema['properties']['link'] );
unset( $schema['properties']['taxonomy'] );
$schema['properties']['locations'] = array(
'description' => __( 'The locations assigned to the menu.', 'kubio' ),
'type' => 'array',
'items' => array(
'type' => 'string',
),
'context' => array( 'view', 'edit' ),
);
$schema['properties']['auto_add'] = array(
'description' => __( 'Whether to automatically add top level pages to this menu.', 'kubio' ),
'context' => array( 'view', 'edit' ),
'type' => 'boolean',
);
return $schema;
}
}