get_rest_controller(); if ( ! $parent_controller ) { $parent_controller = new WP_REST_Global_Styles_Controller( $parent_post_type ); } $this->parent_controller = $parent_controller; $this->rest_base = 'revisions'; $this->parent_base = ! empty( $post_type_object->rest_base ) ? $post_type_object->rest_base : $post_type_object->name; $this->namespace = ! empty( $post_type_object->rest_namespace ) ? $post_type_object->rest_namespace : 'wp/v2'; } /** * Registers the controller's routes. * * @since 6.3.0 * @since 6.6.0 Added route to fetch individual global styles revisions. */ public function register_routes() { register_rest_route( $this->namespace, '/' . $this->parent_base . '/(?P[\d]+)/' . $this->rest_base, array( 'args' => array( 'parent' => array( 'description' => __( 'The ID for the parent of the revision.' ), 'type' => 'integer', ), ), 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->parent_base . '/(?P[\d]+)/' . $this->rest_base . '/(?P[\d]+)', array( 'args' => array( 'parent' => array( 'description' => __( 'The ID for the parent of the global styles revision.' ), 'type' => 'integer', ), 'id' => array( 'description' => __( 'Unique identifier for the global styles revision.' ), 'type' => 'integer', ), ), 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' ), ) ); } /** * Returns decoded JSON from post content string, * or a 404 if not found. * * @since 6.3.0 * * @param string $raw_json Encoded JSON from global styles custom post content. * @return Array|WP_Error */ protected function get_decoded_global_styles_json( $raw_json ) { $decoded_json = json_decode( $raw_json, true ); if ( is_array( $decoded_json ) && isset( $decoded_json['isGlobalStylesUserThemeJSON'] ) && true === $decoded_json['isGlobalStylesUserThemeJSON'] ) { return $decoded_json; } return new WP_Error( 'rest_global_styles_not_found', __( 'Cannot find user global styles revisions.' ), array( 'status' => 404 ) ); } /** * Returns paginated revisions of the given global styles config custom post type. * * The bulk of the body is taken from WP_REST_Revisions_Controller->get_items, * but global styles does not require as many parameters. * * @since 6.3.0 * * @param WP_REST_Request $request The request instance. * @return WP_REST_Response|WP_Error */ public function get_items( $request ) { $parent = $this->get_parent( $request['parent'] ); if ( is_wp_error( $parent ) ) { return $parent; } $global_styles_config = $this->get_decoded_global_styles_json( $parent->post_content ); if ( is_wp_error( $global_styles_config ) ) { return $global_styles_config; } if ( wp_revisions_enabled( $parent ) ) { $registered = $this->get_collection_params(); $query_args = array( 'post_parent' => $parent->ID, 'post_type' => 'revision', 'post_status' => 'inherit', 'posts_per_page' => -1, 'orderby' => 'date ID', 'order' => 'DESC', ); $parameter_mappings = array( 'offset' => 'offset', 'page' => 'paged', 'per_page' => 'posts_per_page', ); foreach ( $parameter_mappings as $api_param => $wp_param ) { if ( isset( $registered[ $api_param ], $request[ $api_param ] ) ) { $query_args[ $wp_param ] = $request[ $api_param ]; } } $revisions_query = new WP_Query(); $revisions = $revisions_query->query( $query_args ); $offset = isset( $query_args['offset'] ) ? (int) $query_args['offset'] : 0; $page = (int) $query_args['paged']; $total_revisions = $revisions_query->found_posts; if ( $total_revisions < 1 ) { // Out-of-bounds, run the query again without LIMIT for total count. unset( $query_args['paged'], $query_args['offset'] ); $count_query = new WP_Query(); $count_query->query( $query_args ); $total_revisions = $count_query->found_posts; } if ( $revisions_query->query_vars['posts_per_page'] > 0 ) { $max_pages = (int) ceil( $total_revisions / (int) $revisions_query->query_vars['posts_per_page'] ); } else { $max_pages = $total_revisions > 0 ? 1 : 0; } if ( $total_revisions > 0 ) { if ( $offset >= $total_revisions ) { return new WP_Error( 'rest_revision_invalid_offset_number', __( 'The offset number requested is larger than or equal to the number of available revisions.' ), array( 'status' => 400 ) ); } elseif ( ! $offset && $page > $max_pages ) { return new WP_Error( 'rest_revision_invalid_page_number', __( 'The page number requested is larger than the number of pages available.' ), array( 'status' => 400 ) ); } } } else { $revisions = array(); $total_revisions = 0; $max_pages = 0; $page = (int) $request['page']; } $response = array(); foreach ( $revisions as $revision ) { $data = $this->prepare_item_for_response( $revision, $request ); $response[] = $this->prepare_response_for_collection( $data ); } $response = rest_ensure_response( $response ); $response->header( 'X-WP-Total', (int) $total_revisions ); $response->header( 'X-WP-TotalPages', (int) $max_pages ); $request_params = $request->get_query_params(); $base_path = rest_url( sprintf( '%s/%s/%d/%s', $this->namespace, $this->parent_base, $request['parent'], $this->rest_base ) ); $base = add_query_arg( urlencode_deep( $request_params ), $base_path ); if ( $page > 1 ) { $prev_page = $page - 1; if ( $prev_page > $max_pages ) { $prev_page = $max_pages; } $prev_link = add_query_arg( 'page', $prev_page, $base ); $response->link_header( 'prev', $prev_link ); } if ( $max_pages > $page ) { $next_page = $page + 1; $next_link = add_query_arg( 'page', $next_page, $base ); $response->link_header( 'next', $next_link ); } return $response; } /** * Prepares the revision for the REST response. * * @since 6.3.0 * @since 6.6.0 Added resolved URI links to the response. * * @param WP_Post $post Post revision object. * @param WP_REST_Request $request Request object. * @return WP_REST_Response|WP_Error Response object. */ public function prepare_item_for_response( $post, $request ) { $parent = $this->get_parent( $request['parent'] ); $global_styles_config = $this->get_decoded_global_styles_json( $post->post_content ); if ( is_wp_error( $global_styles_config ) ) { return $global_styles_config; } $fields = $this->get_fields_for_response( $request ); $data = array(); $theme_json = null; if ( ! empty( $global_styles_config['styles'] ) || ! empty( $global_styles_config['settings'] ) ) { $theme_json = new WP_Theme_JSON( $global_styles_config, 'custom' ); $global_styles_config = $theme_json->get_raw_data(); if ( rest_is_field_included( 'settings', $fields ) ) { $data['settings'] = ! empty( $global_styles_config['settings'] ) ? $global_styles_config['settings'] : new stdClass(); } if ( rest_is_field_included( 'styles', $fields ) ) { $data['styles'] = ! empty( $global_styles_config['styles'] ) ? $global_styles_config['styles'] : new stdClass(); } } if ( rest_is_field_included( 'author', $fields ) ) { $data['author'] = (int) $post->post_author; } if ( rest_is_field_included( 'date', $fields ) ) { $data['date'] = $this->prepare_date_response( $post->post_date_gmt, $post->post_date ); } if ( rest_is_field_included( 'date_gmt', $fields ) ) { $data['date_gmt'] = $this->prepare_date_response( $post->post_date_gmt ); } if ( rest_is_field_included( 'id', $fields ) ) { $data['id'] = (int) $post->ID; } if ( rest_is_field_included( 'modified', $fields ) ) { $data['modified'] = $this->prepare_date_response( $post->post_modified_gmt, $post->post_modified ); } if ( rest_is_field_included( 'modified_gmt', $fields ) ) { $data['modified_gmt'] = $this->prepare_date_response( $post->post_modified_gmt ); } if ( rest_is_field_included( 'parent', $fields ) ) { $data['parent'] = (int) $parent->ID; } $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 ); $resolved_theme_uris = WP_Theme_JSON_Resolver::get_resolved_theme_uris( $theme_json ); if ( ! empty( $resolved_theme_uris ) ) { $response->add_links( array( 'https://api.w.org/theme-file' => $resolved_theme_uris, ) ); } return $response; } /** * Retrieves the revision's schema, conforming to JSON Schema. * * @since 6.3.0 * @since 6.6.0 Merged parent and parent controller schema data. * * @return array Item schema data. */ public function get_item_schema() { if ( $this->schema ) { return $this->add_additional_fields_schema( $this->schema ); } $schema = parent::get_item_schema(); $parent_schema = $this->parent_controller->get_item_schema(); $schema['properties'] = array_merge( $schema['properties'], $parent_schema['properties'] ); unset( $schema['properties']['guid'], $schema['properties']['slug'], $schema['properties']['meta'], $schema['properties']['content'], $schema['properties']['title'] ); $this->schema = $schema; return $this->add_additional_fields_schema( $this->schema ); } /** * Retrieves the query params for collections. * Removes params that are not supported by global styles revisions. * * @since 6.6.0 * * @return array Collection parameters. */ public function get_collection_params() { $query_params = parent::get_collection_params(); unset( $query_params['exclude'], $query_params['include'], $query_params['search'], $query_params['order'], $query_params['orderby'] ); return $query_params; } }