From 5b395f05c8e17b19d0be58ba155c2df5c256cefe Mon Sep 17 00:00:00 2001
From: George Mamadashvili <georgemamadashvili@gmail.com>
Date: Wed, 8 Jan 2025 14:05:27 +0400
Subject: [PATCH] Try: New default rendering mode for editor via post type
 supports

---
 ...tenberg-rest-post-types-controller-6-8.php | 61 -------------------
 lib/compat/wordpress-6.8/post.php             | 60 ------------------
 lib/compat/wordpress-6.8/rest-api.php         | 15 -----
 lib/load.php                                  |  2 -
 .../editor/src/components/provider/index.js   | 24 +++++---
 5 files changed, 16 insertions(+), 146 deletions(-)
 delete mode 100644 lib/compat/wordpress-6.8/class-gutenberg-rest-post-types-controller-6-8.php
 delete mode 100644 lib/compat/wordpress-6.8/post.php

diff --git a/lib/compat/wordpress-6.8/class-gutenberg-rest-post-types-controller-6-8.php b/lib/compat/wordpress-6.8/class-gutenberg-rest-post-types-controller-6-8.php
deleted file mode 100644
index da0489210e21f1..00000000000000
--- a/lib/compat/wordpress-6.8/class-gutenberg-rest-post-types-controller-6-8.php
+++ /dev/null
@@ -1,61 +0,0 @@
-<?php
-/**
- * REST API: Gutenberg_REST_Post_Types_Controller_6_8 class
- *
- * @package gutenberg
- */
-
-/**
- * Gutenberg_REST_Post_Types_Controller_6_8 class
- *
- * Add Block Editor default rendering mode to the post type response
- * to allow enabling/disabling at the post type level.
- */
-class Gutenberg_REST_Post_Types_Controller_6_8 extends WP_REST_Post_Types_Controller {
-	/**
-	 * Add Block Editor default rendering mode setting to the response.
-	 *
-	 * @param  WP_Post_Type    $item    Post type object.
-	 * @param  WP_REST_Request $request Request object.
-	 * @return WP_REST_Response Response object.
-	 */
-	public function prepare_item_for_response( $item, $request ) {
-		$response = parent::prepare_item_for_response( $item, $request );
-		$context  = ! empty( $request['context'] ) ? $request['context'] : 'view';
-
-		// Property will only exist if the post type supports the block editor.
-		if ( 'edit' === $context && property_exists( $item, 'default_rendering_mode' ) ) {
-			/**
-			 * Filters the block editor rendering mode for a post type.
-			 *
-			 * @since 6.8.0
-			 * @param string       $default_rendering_mode Default rendering mode for the post type.
-			 * @param WP_Post_Type $post_type              Post type name.
-			 * @return string Default rendering mode for the post type.
-			 */
-			$rendering_mode = apply_filters( 'post_type_default_rendering_mode', $item->default_rendering_mode, $item );
-
-			/**
-			 * Filters the block editor rendering mode for a specific post type.
-			 * Applied after the generic `post_type_default_rendering_mode` filter.
-			 *
-			 * The dynamic portion of the hook name, `$item->name`, refers to the post type slug.
-			 *
-			 * @since 6.8.0
-			 * @param string       $default_rendering_mode Default rendering mode for the post type.
-			 * @param WP_Post_Type $post_type              Post type object.
-			 * @return string Default rendering mode for the post type.
-			 */
-			$rendering_mode = apply_filters( "post_type_{$item->name}_default_rendering_mode", $rendering_mode, $item );
-
-			// Validate the filtered rendering mode.
-			if ( ! in_array( $rendering_mode, gutenberg_post_type_rendering_modes(), true ) ) {
-				$rendering_mode = 'post-only';
-			}
-
-			$response->data['default_rendering_mode'] = $rendering_mode;
-		}
-
-		return rest_ensure_response( $response );
-	}
-}
diff --git a/lib/compat/wordpress-6.8/post.php b/lib/compat/wordpress-6.8/post.php
deleted file mode 100644
index be842d89b51519..00000000000000
--- a/lib/compat/wordpress-6.8/post.php
+++ /dev/null
@@ -1,60 +0,0 @@
-<?php
-/**
- * Temporary compatibility shims for block APIs present in Gutenberg.
- *
- * @package gutenberg
- */
-
-/**
- * Get the available rendering modes for the Block Editor.
- *
- * post-only: This mode extracts the post blocks from the template and renders only those.
- * The idea is to allow the user to edit the post/page in isolation without the wrapping template.
- *
- * template-locked: This mode renders both the template and the post blocks
- * but the template blocks are locked and can't be edited. The post blocks are editable.
- *
- * @return array Array of available rendering modes.
- */
-function gutenberg_post_type_rendering_modes() {
-	return array(
-		'post-only',
-		'template-locked',
-	);
-}
-
-/**
- * Add the default_rendering_mode property to the WP_Post_Type object.
- * This property can be overwritten by using the post_type_default_rendering_mode filter.
- *
- * @param array  $args      Array of post type arguments.
- * @param string $post_type Post type key.
- * @return array Updated array of post type arguments.
- */
-function gutenberg_post_type_default_rendering_mode( $args, $post_type ) {
-	if ( ! wp_is_block_theme() || ! current_theme_supports( 'block-templates' ) ) {
-		return $args;
-	}
-
-	// Make sure the post type supports the block editor.
-	if (
-		( isset( $args['show_in_rest'] ) && $args['show_in_rest'] ) &&
-		( ! empty( $args['supports'] ) && in_array( 'editor', $args['supports'], true ) )
-	) {
-		$rendering_mode  = 'page' === $post_type ? 'template-locked' : 'post-only';
-		$rendering_modes = gutenberg_post_type_rendering_modes();
-
-		// Validate the supplied rendering mode.
-		if (
-			isset( $args['default_rendering_mode'] ) &&
-			in_array( $args['default_rendering_mode'], $rendering_modes, true )
-		) {
-			$rendering_mode = $args['default_rendering_mode'];
-		}
-
-		$args['default_rendering_mode'] = $rendering_mode;
-	}
-
-	return $args;
-}
-add_filter( 'register_post_type_args', 'gutenberg_post_type_default_rendering_mode', 10, 2 );
diff --git a/lib/compat/wordpress-6.8/rest-api.php b/lib/compat/wordpress-6.8/rest-api.php
index b94e42d5f2ccd0..cc3d3e89014e93 100644
--- a/lib/compat/wordpress-6.8/rest-api.php
+++ b/lib/compat/wordpress-6.8/rest-api.php
@@ -6,21 +6,6 @@
  * @package gutenberg
  */
 
-if ( ! defined( 'ABSPATH' ) ) {
-	die( 'Silence is golden.' );
-}
-
-if ( ! function_exists( 'gutenberg_add_post_type_rendering_mode' ) ) {
-	/**
-	 * Add Block Editor default rendering mode to the post type response.
-	 */
-	function gutenberg_add_post_type_rendering_mode() {
-		$controller = new Gutenberg_REST_Post_Types_Controller_6_8();
-		$controller->register_routes();
-	}
-}
-add_action( 'rest_api_init', 'gutenberg_add_post_type_rendering_mode' );
-
 // When querying terms for a given taxonomy in the REST API, respect the default
 // query arguments set for that taxonomy upon registration.
 function gutenberg_respect_taxonomy_default_args_in_rest_api( $args ) {
diff --git a/lib/load.php b/lib/load.php
index 371f9c54e5fc4a..b145d44376280f 100644
--- a/lib/load.php
+++ b/lib/load.php
@@ -44,7 +44,6 @@ function gutenberg_is_experiment_enabled( $name ) {
 	// WordPress 6.8 compat.
 	require __DIR__ . '/compat/wordpress-6.8/block-comments.php';
 	require __DIR__ . '/compat/wordpress-6.8/class-gutenberg-rest-comment-controller-6-8.php';
-	require __DIR__ . '/compat/wordpress-6.8/class-gutenberg-rest-post-types-controller-6-8.php';
 	require __DIR__ . '/compat/wordpress-6.8/class-gutenberg-hierarchical-sort.php';
 	require __DIR__ . '/compat/wordpress-6.8/rest-api.php';
 
@@ -98,7 +97,6 @@ function gutenberg_is_experiment_enabled( $name ) {
 require __DIR__ . '/compat/wordpress-6.8/preload.php';
 require __DIR__ . '/compat/wordpress-6.8/blocks.php';
 require __DIR__ . '/compat/wordpress-6.8/functions.php';
-require __DIR__ . '/compat/wordpress-6.8/post.php';
 require __DIR__ . '/compat/wordpress-6.8/site-editor.php';
 require __DIR__ . '/compat/wordpress-6.8/class-gutenberg-rest-user-controller.php';
 
diff --git a/packages/editor/src/components/provider/index.js b/packages/editor/src/components/provider/index.js
index 133a52e2ce01bc..59767aba750a32 100644
--- a/packages/editor/src/components/provider/index.js
+++ b/packages/editor/src/components/provider/index.js
@@ -180,15 +180,23 @@ export const ExperimentalEditorProvider = withRegistryProvider(
 					getRenderingMode,
 					__unstableIsEditorReady,
 				} = select( editorStore );
-				const { getEntitiesConfig } = select( coreStore );
+				const {
+					getEntitiesConfig,
+					getPostType,
+					hasFinishedResolution,
+				} = select( coreStore );
 
-				const postTypeObject = select( coreStore ).getPostType(
-					post.type
+				const postTypeSupports = getPostType( post.type )?.supports;
+				const _hasLoadedPostObject = hasFinishedResolution(
+					'getPostType',
+					[ post.type ]
 				);
 
-				const _hasLoadedPostObject = select(
-					coreStore
-				).hasFinishedResolution( 'getPostType', [ post.type ] );
+				const _defaultMode = Array.isArray( postTypeSupports?.editor )
+					? postTypeSupports.editor.find(
+							( features ) => 'default_mode' in features
+					  )?.default_mode
+					: undefined;
 
 				return {
 					hasLoadedPostObject: _hasLoadedPostObject,
@@ -196,8 +204,8 @@ export const ExperimentalEditorProvider = withRegistryProvider(
 					isReady: __unstableIsEditorReady(),
 					mode: getRenderingMode(),
 					defaultMode:
-						hasTemplate && postTypeObject?.default_rendering_mode
-							? postTypeObject?.default_rendering_mode
+						hasTemplate && _defaultMode
+							? _defaultMode
 							: 'post-only',
 					selection: getEditorSelection(),
 					postTypeEntities: