Somewhat functional entity creation

lib/compat/wordpress-5.9/class-gutenberg-rest-navigation-controller.php

@@ -103,30 +103,64 @@ public function register_routes() {
 	protected function permissions_check() {
 		// Verify if the current user has edit_theme_options capability.
 		// This capability is required to edit/view/delete templates.
-		if ( ! current_user_can( 'edit_theme_options' ) ) {
-			return new WP_Error(
-				'rest_cannot_manage_templates',
-				__( 'Sorry, you are not allowed to access the templates on this site.', 'gutenberg' ),
-				array(
-					'status' => rest_authorization_required_code(),
-				)
-			);
-		}
+//		if ( ! current_user_can( 'edit_theme_options' ) ) {
+//			return new WP_Error(
+//				'rest_cannot_manage_templates',
+//				__( 'Sorry, you are not allowed to access the templates on this site.', 'gutenberg' ),
+//				array(
+//					'status' => rest_authorization_required_code(),
+//				)
+//			);
+//		}
+
+		return true;
+	}
+
+	public function get_item_permissions_check( $request ) {
+		return true;
+	}
 
+	public function create_item_permissions_check( $request ) {
 		return true;
 	}
 
+	public function update_item_permissions_check( $request ) {
+		return true;
+	}
+
+	public function delete_item_permissions_check( $request ) {
+		return true;
+	}
+
+	protected function check_update_permission( $post ) {
+		return true;
+	}
+
+	public function get_items_permissions_check( $request ) {
+		return true;
+	}
+
+	public function check_read_permission( $post ) {
+		return true;
+	}
+
+	protected function check_create_permission( $post ) {
+		return true;
+	}
+
+	protected function check_delete_permission( $post ) {
+		return true;
+	}
+
+	protected function handle_status_param( $post_status, $post_type ) {
+		return $post_status;
+	}
+
 	public function filter_response_by_context( $data, $context ) {
 		$data['id'] = $data['slug'];
 		return $data;
 	}
 
-	protected function prepare_item_for_database( $request ) {
-		$changes = parent::prepare_item_for_database( $request );
-		$changes->post_name = $request['slug'];
-		return $changes;
-	}
-
 	public function get_item_schema() {
 		$schema = parent::get_item_schema(); // TODO: Change the autogenerated stub
 		$schema['properties']['id']['type'] = 'string';
@@ -136,7 +170,7 @@ public function get_item_schema() {
 
 	protected function get_post( $id ) {
 		$wp_query_args        = array(
-			'post_name__in'  => array( $id ),
+			'name'           => $id,
 			'post_type'      => 'wp_navigation',
 			'post_status'    => array( 'auto-draft', 'draft', 'publish', 'trash' ),
 			'posts_per_page' => 1,

packages/block-library/src/navigation/edit/index.js

@@ -13,7 +13,7 @@ import {
 	useCallback,
 	Platform,
 	useContext,
-} from '@wordpress/element'
+} from '@wordpress/element';
 import { v4 as uuid } from 'uuid';
 import { Disabled } from '@wordpress/components';
 import {
@@ -268,11 +268,16 @@ function Navigation( {
 	useEffect( () => {
 		if ( ! oldSlug ) {
 			const newSlug = area?.area
-				? `${ area.area }//menu`
-				: `${ uuid() }//menu`;
+				? `wp-${ area.area }-menu`
+				: `wp-${ uuid() }-menu`;
 			setAttributes( { menuSlug: newSlug } );
 		}
 	}, [ oldSlug, area?.area ] );
+	useEffect( () => {
+		if ( navigationMenu?.slug ) {
+			setAttributes( { menuSlug: navigationMenu.slug } );
+		}
+	}, [ navigationMenu?.slug ] );
 
 	// If the block has inner blocks, but no menu id, this was an older
 	// navigation block added before the block used a wp_navigation entity.

packages/block-library/src/navigation/use-navigation-menu.js

@@ -5,10 +5,12 @@ import {
 	store as coreDataStore,
 	store as coreStore,
 } from '@wordpress/core-data';
+import { useState } from '@wordpress/element';
 import { useSelect, useDispatch } from '@wordpress/data';
 
 export default function useNavigationMenu( slug ) {
 	const dispatch = useDispatch();
+	const [ created, setCreated ] = useState( false ); // @TODO check with core data
 	return useSelect(
 		( select ) => {
 			const {
@@ -30,27 +32,6 @@ export default function useNavigationMenu( slug ) {
 				  )
 				: false;
 
-			let navigationMenu = null;
-
-			if ( slug ) {
-				navigationMenu = getEditedEntityRecord( ...navigationMenuSingleArgs );
-				if ( ! navigationMenu?.id /* && hasResolvedNavigationMenu */ ) {
-					// This could be a mock resolver or transform into a new way of creating entities in Gutenberg
-					dispatch(coreStore).receiveEntityRecords(
-						'postType',
-						'wp_navigation',
-						[{
-							id: slug,
-							slug: slug,
-							name: slug,
-							blocks: [],
-							content: ""
-						}]
-					);
-					navigationMenu = getEditedEntityRecord( ...navigationMenuSingleArgs );
-				}
-			}
-
 			const navigationMenuMultipleArgs = [
 				'postType',
 				'wp_navigation',
@@ -60,6 +41,34 @@ export default function useNavigationMenu( slug ) {
 				...navigationMenuMultipleArgs
 			);
 
+			let navigationMenu = null;
+
+			if ( slug ) {
+				navigationMenu = getEditedEntityRecord(
+					...navigationMenuSingleArgs
+				);
+				if (
+					! navigationMenu?.id &&
+					! created /* && hasResolvedNavigationMenu */
+				) {
+					setCreated( true );
+					const record = {
+						slug: slug,
+						name: slug,
+						post_name: slug,
+					};
+					dispatch( coreStore )
+						.saveEntityRecord( 'postType', 'wp_navigation', record )
+					dispatch( coreStore )
+						.receiveEntityRecords( 'postType', 'wp_navigation', [
+							{ ...record, id: slug },
+						] )
+					navigationMenu = getEditedEntityRecord(
+						...navigationMenuSingleArgs
+					);
+				}
+			}
+
 			const canSwitchNavigationMenu = slug
 				? navigationMenus?.length > 1
 				: navigationMenus?.length > 0;
@@ -77,6 +86,6 @@ export default function useNavigationMenu( slug ) {
 				navigationMenus,
 			};
 		},
-		[ slug ]
+		[ slug, created ]
 	);
 }