Patterns: rename sync_status and move to top level field on rest return instead of a meta field

lib/blocks.php

@@ -372,3 +372,31 @@ function gutenberg_register_legacy_social_link_blocks() {
 }
 
 add_action( 'init', 'gutenberg_register_legacy_social_link_blocks' );
+
+/**
+ * Migrate the legacy `sync_status` meta key (added 16.1) to the new `wp_pattern_sync_status` meta key (16.1.1).
+ *
+ * This filter is INTENTIONALLY left out of core as the meta key was fist introduced to core in 6.3 as `wp_pattern_sync_status`.
+ * see https://github.com/WordPress/gutenberg/pull/52232
+ *
+ * @param mixed  $value     The value to return, either a single metadata value or an array of values depending on the value of $single.
+ * @param int    $object_id ID of the object metadata is for.
+ * @param string $meta_key  Metadata key.
+ * @param bool   $single    Whether to return only the first value of the specified $meta_key.
+ */
+function gutenberg_legacy_wp_block_post_meta( $value, $object_id, $meta_key, $single ) {
+	if ( 'wp_pattern_sync_status' !== $meta_key ) {
+		return $value;
+	}
+
+	$sync_status = get_post_meta( $object_id, 'sync_status', $single );
+
+	if ( $single && 'unsynced' === $sync_status ) {
+		return $sync_status;
+	} elseif ( isset( $sync_status[0] ) && 'unsynced' === $sync_status[0] ) {
+		return $sync_status;
+	}
+
+	return $value;
+}
+add_filter( 'default_post_metadata', 'gutenberg_legacy_wp_block_post_meta', 10, 4 );

lib/compat/wordpress-6.3/blocks.php

@@ -60,6 +60,7 @@ function gutenberg_rename_reusable_block_cpt_to_pattern( $args, $post_type ) {
 		$args['labels']['item_reverted_to_draft']   = __( 'Pattern reverted to draft.' );
 		$args['labels']['item_scheduled']           = __( 'Pattern scheduled.' );
 		$args['labels']['item_updated']             = __( 'Pattern updated.' );
+		$args['rest_controller_class']              = 'Gutenberg_REST_Blocks_Controller';
 	}
 
 	return $args;
@@ -89,7 +90,7 @@ function gutenberg_add_custom_fields_to_wp_block( $args, $post_type ) {
 add_filter( 'register_post_type_args', 'gutenberg_add_custom_fields_to_wp_block', 10, 2 );
 
 /**
- * Adds sync_status meta fields to the wp_block post type so an unsynced option can be added.
+ * Adds wp_pattern_sync_status meta fields to the wp_block post type so an unsynced option can be added.
  *
  * Note: This should be removed when the minimum required WP version is >= 6.3.
  *
@@ -101,39 +102,21 @@ function gutenberg_wp_block_register_post_meta() {
 	$post_type = 'wp_block';
 	register_post_meta(
 		$post_type,
-		'sync_status',
+		'wp_pattern_sync_status',
 		array(
 			'auth_callback'     => function() {
 				return current_user_can( 'edit_posts' );
 			},
-			'sanitize_callback' => 'gutenberg_wp_block_sanitize_post_meta',
+			'sanitize_callback' => 'sanitize_text_field',
 			'single'            => true,
 			'type'              => 'string',
 			'show_in_rest'      => array(
 				'schema' => array(
-					'type'       => 'string',
-					'properties' => array(
-						'sync_status' => array(
-							'type' => 'string',
-						),
-					),
+					'type' => 'string',
+					'enum' => array( 'partial', 'unsynced' ),
 				),
 			),
 		)
 	);
 }
-/**
- * Sanitizes the array of wp_block post meta sync_status string.
- *
- * Note: This should be removed when the minimum required WP version is >= 6.3.
- *
- * @see https://github.com/WordPress/gutenberg/pull/51144
- *
- * @param array $meta_value String to sanitize.
- *
- * @return array Sanitized string.
- */
-function gutenberg_wp_block_sanitize_post_meta( $meta_value ) {
-	return sanitize_text_field( $meta_value );
-}
 add_action( 'init', 'gutenberg_wp_block_register_post_meta' );

lib/compat/wordpress-6.3/class-gutenberg-rest-blocks-controller.php

@@ -0,0 +1,47 @@
+<?php
+/**
+ * Reusable blocks REST API: WP_REST_Blocks_Controller class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 5.0.0
+ */
+
+/**
+ * Controller which provides a REST endpoint for the editor to read, create,
+ * edit and delete reusable blocks. Blocks are stored as posts with the wp_block
+ * post type.
+ *
+ * @since 5.0.0
+ *
+ * @see WP_REST_Posts_Controller
+ * @see WP_REST_Controller
+ */
+class Gutenberg_REST_Blocks_Controller extends WP_REST_Blocks_Controller {
+	/**
+	 * Filters a response based on the context defined in the schema.
+	 *
+	 * @since 5.0.0
+	 * @since 6.3 Adds the `wp_pattern_sync_status` property to the response.
+	 *
+	 * @param array  $data    Response data to filter.
+	 * @param string $context Context defined in the schema.
+	 * @return array Filtered response.
+	 */
+	public function filter_response_by_context( $data, $context ) {
+		$data = parent::filter_response_by_context( $data, $context );
+
+		/*
+		 * Remove `title.rendered` and `content.rendered` from the response. It
+		 * doesn't make sense for a reusable block to have rendered content on its
+		 * own, since rendering a block requires it to be inside a post or a page.
+		 */
+		unset( $data['title']['rendered'] );
+		unset( $data['content']['rendered'] );
+
+		// Add the core wp_pattern_sync_status meta as top level property to the response.
+		$data['wp_pattern_sync_status'] = isset( $data['meta']['wp_pattern_sync_status'] ) ? $data['meta']['wp_pattern_sync_status'] : '';
+		unset( $data['meta']['wp_pattern_sync_status'] );
+		return $data;
+	}
+}

lib/load.php

@@ -56,6 +56,7 @@ function gutenberg_is_experiment_enabled( $name ) {
 	require_once __DIR__ . '/compat/wordpress-6.3/navigation-block-preloading.php';
 	require_once __DIR__ . '/compat/wordpress-6.3/link-template.php';
 	require_once __DIR__ . '/compat/wordpress-6.3/block-patterns.php';
+	require_once __DIR__ . '/compat/wordpress-6.3/class-gutenberg-rest-blocks-controller.php';
 
 	// Experimental.
 	if ( ! class_exists( 'WP_Rest_Customizer_Nonces' ) ) {

packages/block-editor/src/store/selectors.js

@@ -2034,11 +2034,13 @@ export const getInserterItems = createSelector(
 			? getReusableBlocks( state )
 					.filter(
 						( reusableBlock ) =>
-							// Filter to either fully synced patterns (sync_status === 'fully'),
-							// or old school reusable blocks (sync_status === '').
-							reusableBlock.meta?.sync_status === 'fully' ||
-							reusableBlock.meta?.sync_status === '' ||
-							! reusableBlock.meta?.sync_status
+							// Reusable blocks that are fully synced should have no sync status set
+							// for backwards compat between patterns and old reusable blocks, but
+							// some in release 16.1 may have had sync status inadvertantly set to
+							// 'fully' if created in the site editor.
+							reusableBlock.wp_pattern_sync_status === 'fully' ||
+							reusableBlock.wp_pattern_sync_status === '' ||
+							! reusableBlock.wp_pattern_sync_status
 					)
 					.map( buildReusableBlockInserterItem )
 			: [];
@@ -2313,7 +2315,8 @@ function getUnsyncedPatterns( state ) {
 
 	return reusableBlocks
 		.filter(
-			( reusableBlock ) => reusableBlock.meta?.sync_status === 'unsynced'
+			( reusableBlock ) =>
+				reusableBlock.wp_pattern_sync_status === 'unsynced'
 		)
 		.map( ( reusableBlock ) => {
 			return {

packages/edit-site/src/components/create-pattern-modal/index.js

@@ -56,7 +56,7 @@ export default function CreatePatternModal( {
 					status: 'publish',
 					meta:
 						syncType === SYNC_TYPES.unsynced
-							? { sync_status: syncType }
+							? { wp_pattern_sync_status: syncType }
 							: undefined,
 				},
 				{ throwOnError: true }

packages/edit-site/src/components/page-patterns/use-patterns.js

@@ -154,7 +154,7 @@ const reusableBlockToPattern = ( reusableBlock ) => ( {
 	categories: reusableBlock.wp_pattern,
 	id: reusableBlock.id,
 	name: reusableBlock.slug,
-	syncStatus: reusableBlock.meta?.sync_status || SYNC_TYPES.full,
+	syncStatus: reusableBlock.wp_pattern_sync_status || SYNC_TYPES.full,
 	title: reusableBlock.title.raw,
 	type: reusableBlock.type,
 	reusableBlock,

packages/edit-site/src/components/sidebar-navigation-screen-pattern/use-pattern-details.js

@@ -95,7 +95,7 @@ export default function usePatternDetails( postType, postId ) {
 		details.push( {
 			label: __( 'Syncing' ),
 			value:
-				record.meta?.sync_status === 'unsynced'
+				record.wp_pattern_sync_status === 'unsynced'
 					? __( 'Not synced' )
 					: __( 'Fully synced' ),
 		} );

packages/editor/src/components/post-sync-status/index.js

@@ -11,17 +11,17 @@ import { PanelRow } from '@wordpress/components';
 import { store as editorStore } from '../../store';
 
 export default function PostSyncStatus() {
-	const { meta, postType } = useSelect( ( select ) => {
+	const { syncStatus, postType } = useSelect( ( select ) => {
 		const { getEditedPostAttribute } = select( editorStore );
 		return {
-			meta: getEditedPostAttribute( 'meta' ),
+			syncStatus: getEditedPostAttribute( 'wp_pattern_sync_status' ),
 			postType: getEditedPostAttribute( 'type' ),
 		};
 	}, [] );
 	if ( postType !== 'wp_block' ) {
 		return null;
 	}
-	const syncStatus = meta?.sync_status;
+
 	const isFullySynced = ! syncStatus;
 
 	return (

packages/reusable-blocks/src/store/actions.js

@@ -52,7 +52,7 @@ export const __experimentalConvertBlocksToReusable =
 		const meta =
 			syncType === 'unsynced'
 				? {
-						sync_status: syncType,
+						wp_pattern_sync_status: syncType,
 				  }
 				: undefined;