name : class-wp-rest-taxonomies-controller.php <?php /** * REST API: WP_REST_Taxonomies_Controller class * * @package WordPress * @subpackage REST_API * @since 4.7.0 */ /** * Core class used to manage taxonomies via the REST API. * * @since 4.7.0 * * @see WP_REST_Controller */ class WP_REST_Taxonomies_Controller extends WP_REST_Controller { /** * Constructor. * * @since 4.7.0 */ public function __construct() { $this->namespace = 'wp/v2'; $this->rest_base = 'taxonomies'; } /** * Registers the routes for the objects of the controller. * * @since 4.7.0 * * @see register_rest_route() */ public function register_routes() { register_rest_route( $this->namespace, '/' . $this->rest_base, array( array( 'methods' => WP_REST_Server::READABLE, 'callback' => array( $this, 'get_items' ), 'permission_callback' => array( $this, 'get_items_permissions_check' ), 'args' => $this->get_collection_params(), ), 'schema' => array( $this, 'get_public_item_schema' ), ) ); register_rest_route( $this->namespace, '/' . $this->rest_base . '/(?P<taxonomy>[\w-]+)', array( 'args' => array( 'taxonomy' => array( 'description' => __( 'An alphanumeric identifier for the taxonomy.' ), 'type' => 'string', ), ), array( 'methods' => WP_REST_Server::READABLE, 'callback' => array( $this, 'get_item' ), 'permission_callback' => array( $this, 'get_item_permissions_check' ), 'args' => array( 'context' => $this->get_context_param( array( 'default' => 'view' ) ), ), ), 'schema' => array( $this, 'get_public_item_schema' ), ) ); } /** * Checks whether a given request has permission to read taxonomies. * * @since 4.7.0 * * @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 ) { if ( 'edit' === $request['context'] ) { if ( ! empty( $request['type'] ) ) { $taxonomies = get_object_taxonomies( $request['type'], 'objects' ); } else { $taxonomies = get_taxonomies( '', 'objects' ); } foreach ( $taxonomies as $taxonomy ) { if ( ! empty( $taxonomy->show_in_rest ) && current_user_can( $taxonomy->cap->assign_terms ) ) { return true; } } return new WP_Error( 'rest_cannot_view', __( 'Sorry, you are not allowed to manage terms in this taxonomy.' ), array( 'status' => rest_authorization_required_code() ) ); } return true; } /** * Retrieves all public taxonomies. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return WP_REST_Response Response object on success, or WP_Error object on failure. */ public function get_items( $request ) { // Retrieve the list of registered collection query parameters. $registered = $this->get_collection_params(); if ( isset( $registered['type'] ) && ! empty( $request['type'] ) ) { $taxonomies = get_object_taxonomies( $request['type'], 'objects' ); } else { $taxonomies = get_taxonomies( '', 'objects' ); } $data = array(); foreach ( $taxonomies as $tax_type => $value ) { if ( empty( $value->show_in_rest ) || ( 'edit' === $request['context'] && ! current_user_can( $value->cap->assign_terms ) ) ) { continue; } $tax = $this->prepare_item_for_response( $value, $request ); $tax = $this->prepare_response_for_collection( $tax ); $data[ $tax_type ] = $tax; } if ( empty( $data ) ) { // Response should still be returned as a JSON object when it is empty. $data = (object) $data; } return rest_ensure_response( $data ); } /** * Checks if a given request has access to a taxonomy. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return true|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 ) { $tax_obj = get_taxonomy( $request['taxonomy'] ); if ( $tax_obj ) { if ( empty( $tax_obj->show_in_rest ) ) { return false; } if ( 'edit' === $request['context'] && ! current_user_can( $tax_obj->cap->assign_terms ) ) { return new WP_Error( 'rest_forbidden_context', __( 'Sorry, you are not allowed to manage terms in this taxonomy.' ), array( 'status' => rest_authorization_required_code() ) ); } } return true; } /** * Retrieves a specific taxonomy. * * @since 4.7.0 * * @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 get_item( $request ) { $tax_obj = get_taxonomy( $request['taxonomy'] ); if ( empty( $tax_obj ) ) { return new WP_Error( 'rest_taxonomy_invalid', __( 'Invalid taxonomy.' ), array( 'status' => 404 ) ); } $data = $this->prepare_item_for_response( $tax_obj, $request ); return rest_ensure_response( $data ); } /** * Prepares a taxonomy object for serialization. * * @since 4.7.0 * * @param stdClass $taxonomy Taxonomy data. * @param WP_REST_Request $request Full details about the request. * @return WP_REST_Response Response object. */ public function prepare_item_for_response( $taxonomy, $request ) { $base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name; $fields = $this->get_fields_for_response( $request ); $data = array(); if ( in_array( 'name', $fields, true ) ) { $data['name'] = $taxonomy->label; } if ( in_array( 'slug', $fields, true ) ) { $data['slug'] = $taxonomy->name; } if ( in_array( 'capabilities', $fields, true ) ) { $data['capabilities'] = $taxonomy->cap; } if ( in_array( 'description', $fields, true ) ) { $data['description'] = $taxonomy->description; } if ( in_array( 'labels', $fields, true ) ) { $data['labels'] = $taxonomy->labels; } if ( in_array( 'types', $fields, true ) ) { $data['types'] = $taxonomy->object_type; } if ( in_array( 'show_cloud', $fields, true ) ) { $data['show_cloud'] = $taxonomy->show_tagcloud; } if ( in_array( 'hierarchical', $fields, true ) ) { $data['hierarchical'] = $taxonomy->hierarchical; } if ( in_array( 'rest_base', $fields, true ) ) { $data['rest_base'] = $base; } if ( in_array( 'visibility', $fields, true ) ) { $data['visibility'] = array( 'public' => (bool) $taxonomy->public, 'publicly_queryable' => (bool) $taxonomy->publicly_queryable, 'show_admin_column' => (bool) $taxonomy->show_admin_column, 'show_in_nav_menus' => (bool) $taxonomy->show_in_nav_menus, 'show_in_quick_edit' => (bool) $taxonomy->show_in_quick_edit, 'show_ui' => (bool) $taxonomy->show_ui, ); } $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 ); $response->add_links( array( 'collection' => array( 'href' => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ), ), 'https://api.w.org/items' => array( 'href' => rest_url( sprintf( 'wp/v2/%s', $base ) ), ), ) ); /** * Filters a taxonomy returned from the REST API. * * Allows modification of the taxonomy data right before it is returned. * * @since 4.7.0 * * @param WP_REST_Response $response The response object. * @param object $item The original taxonomy object. * @param WP_REST_Request $request Request used to generate the response. */ return apply_filters( 'rest_prepare_taxonomy', $response, $taxonomy, $request ); } /** * Retrieves the taxonomy's schema, conforming to JSON Schema. * * @since 4.7.0 * * @return array Item schema data. */ public function get_item_schema() { $schema = array( '$schema' => 'http://json-schema.org/draft-04/schema#', 'title' => 'taxonomy', 'type' => 'object', 'properties' => array( 'capabilities' => array( 'description' => __( 'All capabilities used by the taxonomy.' ), 'type' => 'object', 'context' => array( 'edit' ), 'readonly' => true, ), 'description' => array( 'description' => __( 'A human-readable description of the taxonomy.' ), 'type' => 'string', 'context' => array( 'view', 'edit' ), 'readonly' => true, ), 'hierarchical' => array( 'description' => __( 'Whether or not the taxonomy should have children.' ), 'type' => 'boolean', 'context' => array( 'view', 'edit' ), 'readonly' => true, ), 'labels' => array( 'description' => __( 'Human-readable labels for the taxonomy for various contexts.' ), 'type' => 'object', 'context' => array( 'edit' ), 'readonly' => true, ), 'name' => array( 'description' => __( 'The title for the taxonomy.' ), 'type' => 'string', 'context' => array( 'view', 'edit', 'embed' ), 'readonly' => true, ), 'slug' => array( 'description' => __( 'An alphanumeric identifier for the taxonomy.' ), 'type' => 'string', 'context' => array( 'view', 'edit', 'embed' ), 'readonly' => true, ), 'show_cloud' => array( 'description' => __( 'Whether or not the term cloud should be displayed.' ), 'type' => 'boolean', 'context' => array( 'edit' ), 'readonly' => true, ), 'types' => array( 'description' => __( 'Types associated with the taxonomy.' ), 'type' => 'array', 'items' => array( 'type' => 'string', ), 'context' => array( 'view', 'edit' ), 'readonly' => true, ), 'rest_base' => array( 'description' => __( 'REST base route for the taxonomy.' ), 'type' => 'string', 'context' => array( 'view', 'edit', 'embed' ), 'readonly' => true, ), 'visibility' => array( 'description' => __( 'The visibility settings for the taxonomy.' ), 'type' => 'object', 'context' => array( 'edit' ), 'readonly' => true, 'properties' => array( 'public' => array( 'description' => __( 'Whether a taxonomy is intended for use publicly either via the admin interface or by front-end users.' ), 'type' => 'boolean', ), 'publicly_queryable' => array( 'description' => __( 'Whether the taxonomy is publicly queryable.' ), 'type' => 'boolean', ), 'show_ui' => array( 'description' => __( 'Whether to generate a default UI for managing this taxonomy.' ), 'type' => 'boolean', ), 'show_admin_column' => array( 'description' => __( 'Whether to allow automatic creation of taxonomy columns on associated post-types table.' ), 'type' => 'boolean', ), 'show_in_nav_menus' => array( 'description' => __( 'Whether to make the taxonomy available for selection in navigation menus.' ), 'type' => 'boolean', ), 'show_in_quick_edit' => array( 'description' => __( 'Whether to show the taxonomy in the quick/bulk edit panel.' ), 'type' => 'boolean', ), ), ), ), ); return $this->add_additional_fields_schema( $schema ); } /** * Retrieves the query params for collections. * * @since 4.7.0 * * @return array Collection parameters. */ public function get_collection_params() { $new_params = array(); $new_params['context'] = $this->get_context_param( array( 'default' => 'view' ) ); $new_params['type'] = array( 'description' => __( 'Limit results to taxonomies associated with a specific post type.' ), 'type' => 'string', ); return $new_params; } }