WP_REST_Block_Patterns_Controller{} │ WP 6.0.0
Core class used to access block patterns via the REST API.
No Hooks.
Usage
$WP_REST_Block_Patterns_Controller = new WP_REST_Block_Patterns_Controller(); // use class methods
Methods
- public __construct()
- public get_item_schema()
- public get_items( $request )
- public get_items_permissions_check( $request )
- protected migrate_pattern_categories( $pattern )
- public prepare_item_for_response( $item, $request )
- public register_routes()
Notes
- See: WP_REST_Controller
Changelog
Since 6.0.0 | Introduced. |
WP_REST_Block_Patterns_Controller{} WP REST Block Patterns Controller{} code WP 6.6.2
class WP_REST_Block_Patterns_Controller extends WP_REST_Controller { /** * Defines whether remote patterns should be loaded. * * @since 6.0.0 * @var bool */ private $remote_patterns_loaded; /** * An array that maps old categories names to new ones. * * @since 6.2.0 * @var array */ protected static $categories_migration = array( 'buttons' => 'call-to-action', 'columns' => 'text', 'query' => 'posts', ); /** * Constructs the controller. * * @since 6.0.0 */ public function __construct() { $this->namespace = 'wp/v2'; $this->rest_base = 'block-patterns/patterns'; } /** * Registers the routes for the objects of the controller. * * @since 6.0.0 */ 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' ), ), 'schema' => array( $this, 'get_public_item_schema' ), ) ); } /** * Checks whether a given request has permission to read block patterns. * * @since 6.0.0 * * @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 ( current_user_can( 'edit_posts' ) ) { return true; } foreach ( get_post_types( array( 'show_in_rest' => true ), 'objects' ) as $post_type ) { if ( current_user_can( $post_type->cap->edit_posts ) ) { return true; } } return new WP_Error( 'rest_cannot_view', __( 'Sorry, you are not allowed to view the registered block patterns.' ), array( 'status' => rest_authorization_required_code() ) ); } /** * Retrieves all block patterns. * * @since 6.0.0 * @since 6.2.0 Added migration for old core pattern categories to the new ones. * * @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_items( $request ) { if ( ! $this->remote_patterns_loaded ) { // Load block patterns from w.org. _load_remote_block_patterns(); // Patterns with the `core` keyword. _load_remote_featured_patterns(); // Patterns in the `featured` category. _register_remote_theme_patterns(); // Patterns requested by current theme. $this->remote_patterns_loaded = true; } $response = array(); $patterns = WP_Block_Patterns_Registry::get_instance()->get_all_registered(); foreach ( $patterns as $pattern ) { $migrated_pattern = $this->migrate_pattern_categories( $pattern ); $prepared_pattern = $this->prepare_item_for_response( $migrated_pattern, $request ); $response[] = $this->prepare_response_for_collection( $prepared_pattern ); } return rest_ensure_response( $response ); } /** * Migrates old core pattern categories to the new categories. * * Core pattern categories are revamped. Migration is needed to ensure * backwards compatibility. * * @since 6.2.0 * * @param array $pattern Raw pattern as registered, before applying any changes. * @return array Migrated pattern. */ protected function migrate_pattern_categories( $pattern ) { // No categories to migrate. if ( ! isset( $pattern['categories'] ) || ! is_array( $pattern['categories'] ) ) { return $pattern; } foreach ( $pattern['categories'] as $index => $category ) { // If the category exists as a key, then it needs migration. if ( isset( static::$categories_migration[ $category ] ) ) { $pattern['categories'][ $index ] = static::$categories_migration[ $category ]; } } return $pattern; } /** * Prepare a raw block pattern before it gets output in a REST API response. * * @since 6.0.0 * @since 6.3.0 Added `source` property. * * @param array $item Raw pattern as registered, before any changes. * @param WP_REST_Request $request Request object. * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure. */ public function prepare_item_for_response( $item, $request ) { // Resolve pattern blocks so they don't need to be resolved client-side // in the editor, improving performance. $blocks = parse_blocks( $item['content'] ); $blocks = resolve_pattern_blocks( $blocks ); $item['content'] = serialize_blocks( $blocks ); $fields = $this->get_fields_for_response( $request ); $keys = array( 'name' => 'name', 'title' => 'title', 'content' => 'content', 'description' => 'description', 'viewportWidth' => 'viewport_width', 'inserter' => 'inserter', 'categories' => 'categories', 'keywords' => 'keywords', 'blockTypes' => 'block_types', 'postTypes' => 'post_types', 'templateTypes' => 'template_types', 'source' => 'source', ); $data = array(); foreach ( $keys as $item_key => $rest_key ) { if ( isset( $item[ $item_key ] ) && rest_is_field_included( $rest_key, $fields ) ) { $data[ $rest_key ] = $item[ $item_key ]; } } $context = ! empty( $request['context'] ) ? $request['context'] : 'view'; $data = $this->add_additional_fields_to_object( $data, $request ); $data = $this->filter_response_by_context( $data, $context ); return rest_ensure_response( $data ); } /** * Retrieves the block pattern schema, conforming to JSON Schema. * * @since 6.0.0 * @since 6.3.0 Added `source` property. * * @return array Item schema data. */ public function get_item_schema() { if ( $this->schema ) { return $this->add_additional_fields_schema( $this->schema ); } $schema = array( '$schema' => 'http://json-schema.org/draft-04/schema#', 'title' => 'block-pattern', 'type' => 'object', 'properties' => array( 'name' => array( 'description' => __( 'The pattern name.' ), 'type' => 'string', 'readonly' => true, 'context' => array( 'view', 'edit', 'embed' ), ), 'title' => array( 'description' => __( 'The pattern title, in human readable format.' ), 'type' => 'string', 'readonly' => true, 'context' => array( 'view', 'edit', 'embed' ), ), 'content' => array( 'description' => __( 'The pattern content.' ), 'type' => 'string', 'readonly' => true, 'context' => array( 'view', 'edit', 'embed' ), ), 'description' => array( 'description' => __( 'The pattern detailed description.' ), 'type' => 'string', 'readonly' => true, 'context' => array( 'view', 'edit', 'embed' ), ), 'viewport_width' => array( 'description' => __( 'The pattern viewport width for inserter preview.' ), 'type' => 'number', 'readonly' => true, 'context' => array( 'view', 'edit', 'embed' ), ), 'inserter' => array( 'description' => __( 'Determines whether the pattern is visible in inserter.' ), 'type' => 'boolean', 'readonly' => true, 'context' => array( 'view', 'edit', 'embed' ), ), 'categories' => array( 'description' => __( 'The pattern category slugs.' ), 'type' => 'array', 'readonly' => true, 'context' => array( 'view', 'edit', 'embed' ), ), 'keywords' => array( 'description' => __( 'The pattern keywords.' ), 'type' => 'array', 'readonly' => true, 'context' => array( 'view', 'edit', 'embed' ), ), 'block_types' => array( 'description' => __( 'Block types that the pattern is intended to be used with.' ), 'type' => 'array', 'readonly' => true, 'context' => array( 'view', 'edit', 'embed' ), ), 'post_types' => array( 'description' => __( 'An array of post types that the pattern is restricted to be used with.' ), 'type' => 'array', 'readonly' => true, 'context' => array( 'view', 'edit', 'embed' ), ), 'template_types' => array( 'description' => __( 'An array of template types where the pattern fits.' ), 'type' => 'array', 'readonly' => true, 'context' => array( 'view', 'edit', 'embed' ), ), 'source' => array( 'description' => __( 'Where the pattern comes from e.g. core' ), 'type' => 'string', 'readonly' => true, 'context' => array( 'view', 'edit', 'embed' ), 'enum' => array( 'core', 'plugin', 'theme', 'pattern-directory/core', 'pattern-directory/theme', 'pattern-directory/featured', ), ), ), ); $this->schema = $schema; return $this->add_additional_fields_schema( $this->schema ); } }