_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; } } $fields_update = $this->update_additional_fields_for_object( $term, $request ); if ( is_wp_error( $fields_update ) ) { return $fields_update; } $request->set_param( 'context', 'view' ); $response = $this->prepare_item_for_response( $term, $request ); return rest_ensure_response( $response ); } /** * Checks if a request has access to delete the specified term. * * @since 4.7.0 * * @param WP_REST_Request $request Full details about the request. * @return bool|WP_Error True if the request has access to delete the item, otherwise false or WP_Error object. */ public function delete_item_permissions_check( $request ) { $term = $this->get_term( $request['id'] ); if ( is_wp_error( $term ) ) { return $term; } if ( ! current_user_can( 'delete_term', $term->term_id ) ) { return new WP_Error( 'rest_cannot_delete', __( 'Sorry, you are not allowed to delete this term.' ), array( 'status' => rest_authorization_required_code() ) ); } return true; } /** * Deletes a single term from a 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 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." ), 'force=true' ), array( 'status' => 501 ) ); } $request->set_param( 'context', 'view' ); $previous = $this->prepare_item_for_response( $term, $request ); $retval = wp_delete_term( $term->term_id, $term->taxonomy ); if ( ! $retval ) { return new WP_Error( 'rest_cannot_delete', __( 'The term cannot be deleted.' ), 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. * * @since 4.7.0 * * @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; } /** * Prepares a single term for create or update. * * @since 4.7.0 * * @param WP_REST_Request $request Request object. * @return object $prepared_term Term object. */ public function prepare_item_for_database( $request ) { $prepared_term = new stdClass; $schema = $this->get_item_schema(); if ( isset( $request['name'] ) && ! empty( $schema['properties']['name'] ) ) { $prepared_term->name = $request['name']; } if ( isset( $request['slug'] ) && ! empty( $schema['properties']['slug'] ) ) { $prepared_term->slug = $request['slug']; } if ( isset( $request['taxonomy'] ) && ! empty( $schema['properties']['taxonomy'] ) ) { $prepared_term->taxonomy = $request['taxonomy']; } if ( isset( $request['description'] ) && ! empty( $schema['properties']['description'] ) ) { $prepared_term->description = $request['description']; } if ( isset( $request['parent'] ) && ! empty( $schema['properties']['parent'] ) ) { $parent_term_id = 0; $parent_term = get_term( (int) $request['parent'], $this->taxonomy ); if ( $parent_term ) { $parent_term_id = $parent_term->term_id; } $prepared_term->parent = $parent_term_id; } /** * Filters term data before inserting term via the REST API. * * The dynamic portion of the hook name, `$this->taxonomy`, refers to the taxonomy slug. * * @since 4.7.0 * * @param object $prepared_term Term object. * @param WP_REST_Request $request Request object. */ return apply_filters( "rest_pre_insert_{$this->taxonomy}", $prepared_term, $request ); } /** * Prepares a single term output for response. * * @since 4.7.0 * * @param obj $item Term object. * @param WP_REST_Request $request Request object. * @return WP_REST_Response $response Response object. */ public function prepare_item_for_response( $item, $request ) { $fields = $this->get_fields_for_response( $request ); $data = array(); if ( in_array( 'id', $fields, true ) ) { $data['id'] = (int) $item->term_id; } if ( in_array( 'count', $fields, true ) ) { $data['count'] = (int) $item->count; } if ( in_array( 'description', $fields, true ) ) { $data['description'] = $item->description; } if ( in_array( 'link', $fields, true ) ) { $data['link'] = get_term_link( $item ); } if ( in_array( 'name', $fields, true ) ) { $data['name'] = $item->name; } if ( in_array( 'slug', $fields, true ) ) { $data['slug'] = $item->slug; } if ( in_array( 'taxonomy', $fields, true ) ) { $data['taxonomy'] = $item->taxonomy; } if ( in_array( 'parent', $fields, true ) ) { $data['parent'] = (int) $item->parent; } if ( in_array( 'meta', $fields, true ) ) { $data['meta'] = $this->meta->get_value( $item->term_id, $request ); } $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( $item ) ); /** * Filters a term item returned from the API. * * The dynamic portion of the hook name, `$this->taxonomy`, refers to the taxonomy slug. * * Allows modification of the term data right before it is returned. * * @since 4.7.0 * * @param WP_REST_Response $response The response object. * @param object $item The original term object. * @param WP_REST_Request $request Request used to generate the response. */ return apply_filters( "rest_prepare_{$this->taxonomy}", $response, $item, $request ); } /** * Prepares links for the request. * * @since 4.7.0 * * @param object $term Term object. * @return array Links for the given term. */ protected function prepare_links( $term ) { $base = $this->namespace . '/' . $this->rest_base; $links = array( 'self' => array( 'href' => rest_url( trailingslashit( $base ) . $term->term_id ), ), 'collection' => array( 'href' => rest_url( $base ), ), 'about' => array( 'href' => rest_url( sprintf( 'wp/v2/taxonomies/%s', $this->taxonomy ) ), ), ); if ( $term->parent ) { $parent_term = get_term( (int) $term->parent, $term->taxonomy ); if ( $parent_term ) { $links['up'] = array( 'href' => rest_url( trailingslashit( $base ) . $parent_term->term_id ), 'embeddable' => true, ); } } $taxonomy_obj = get_taxonomy( $term->taxonomy ); if ( empty( $taxonomy_obj->object_type ) ) { return $links; } $post_type_links = array(); foreach ( $taxonomy_obj->object_type as $type ) { $post_type_object = get_post_type_object( $type ); if ( empty( $post_type_object->show_in_rest ) ) { continue; } $rest_base = ! empty( $post_type_object->rest_base ) ? $post_type_object->rest_base : $post_type_object->name; $post_type_links[] = array( 'href' => add_query_arg( $this->rest_base, $term->term_id, rest_url( sprintf( 'wp/v2/%s', $rest_base ) ) ), ); } if ( ! empty( $post_type_links ) ) { $links['https://api.w.org/post_type'] = $post_type_links; } return $links; } /** * Retrieves the term'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' => 'post_tag' === $this->taxonomy ? 'tag' : $this->taxonomy, 'type' => 'object', 'properties' => array( 'id' => array( 'description' => __( 'Unique identifier for the term.' ), 'type' => 'integer', 'context' => array( 'view', 'embed', 'edit' ), 'readonly' => true, ), 'count' => array( 'description' => __( 'Number of published posts for the term.' ), 'type' => 'integer', 'context' => array( 'view', 'edit' ), 'readonly' => true, ), 'description' => array( 'description' => __( 'HTML description of the term.' ), 'type' => 'string', 'context' => array( 'view', 'edit' ), ), 'link' => array( 'description' => __( 'URL of the term.' ), 'type' => 'string', 'format' => 'uri', 'context' => array( 'view', 'embed', 'edit' ), 'readonly' => true, ), 'name' => array( 'description' => __( 'HTML title for the term.' ), 'type' => 'string', 'context' => array( 'view', 'embed', 'edit' ), 'arg_options' => array( 'sanitize_callback' => 'sanitize_text_field', ), 'required' => true, ), 'slug' => array( 'description' => __( 'An alphanumeric identifier for the term unique to its type.' ), 'type' => 'string', 'context' => array( 'view', 'embed', 'edit' ), 'arg_options' => array( 'sanitize_callback' => array( $this, 'sanitize_slug' ), ), ), 'taxonomy' => array( 'description' => __( 'Type attribution for the term.' ), 'type' => 'string', 'enum' => array_keys( get_taxonomies() ), 'context' => array( 'view', 'embed', 'edit' ), 'readonly' => true, ), ), ); $taxonomy = get_taxonomy( $this->taxonomy ); if ( $taxonomy->hierarchical ) { $schema['properties']['parent'] = array( 'description' => __( 'The parent term ID.' ), 'type' => 'integer', 'context' => array( 'view', 'edit' ), ); } $schema['properties']['meta'] = $this->meta->get_field_schema(); 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() { $query_params = parent::get_collection_params(); $taxonomy = get_taxonomy( $this->taxonomy ); $query_params['context']['default'] = 'view'; $query_params['exclude'] = array( 'description' => __( 'Ensure result set excludes specific IDs.' ), 'type' => 'array', 'items' => array( 'type' => 'integer', ), 'default' => array(), ); $query_params['include'] = array( 'description' => __( 'Limit result set to specific IDs.' ), 'type' => 'array', 'items' => array( 'type' => 'integer', ), 'default' => array(), ); if ( ! $taxonomy->hierarchical ) { $query_params['offset'] = array( 'description' => __( 'Offset the result set by a specific number of items.' ), '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 term attribute.' ), 'type' => 'string', 'default' => 'name', 'enum' => array( 'id', 'include', 'name', 'slug', 'include_slugs', 'term_group', 'description', 'count', ), ); $query_params['hide_empty'] = array( 'description' => __( 'Whether to hide terms not assigned to any posts.' ), 'type' => 'boolean', 'default' => false, ); if ( $taxonomy->hierarchical ) { $query_params['parent'] = array( 'description' => __( 'Limit result set to terms assigned to a specific parent.' ), 'type' => 'integer', ); } $query_params['post'] = array( 'description' => __( 'Limit result set to terms assigned to a specific post.' ), 'type' => 'integer', 'default' => null, ); $query_params['slug'] = array( 'description' => __( 'Limit result set to terms with one or more specific slugs.' ), 'type' => 'array', 'items' => array( 'type' => 'string' ), ); /** * Filter collection parameters for the terms controller. * * The dynamic part of the filter `$this->taxonomy` refers to the taxonomy * slug for the controller. * * This filter registers the collection parameter, but does not map the * collection parameter to an internal WP_Term_Query parameter. Use the * `rest_{$this->taxonomy}_query` filter to set WP_Term_Query parameters. * * @since 4.7.0 * * @param array $query_params JSON Schema-formatted collection parameters. * @param WP_Taxonomy $taxonomy Taxonomy object. */ return apply_filters( "rest_{$this->taxonomy}_collection_params", $query_params, $taxonomy ); } /** * Checks that the taxonomy is valid. * * @since 4.7.0 * * @param string $taxonomy Taxonomy to check. * @return bool Whether the taxonomy is allowed for REST management. */ protected function check_is_taxonomy_allowed( $taxonomy ) { $taxonomy_obj = get_taxonomy( $taxonomy ); if ( $taxonomy_obj && ! empty( $taxonomy_obj->show_in_rest ) ) { return true; } return false; } }