Blog Subscription Widget: deprecate widget and transform to block (#2…

…1184)

* [not verified] Blog Subscription Widget: Added transform to block

* [not verified] Remove widget from Legacy block

projects/plugins/jetpack/changelog/update-blog-subscription-widget-transform

@@ -0,0 +1,4 @@
+Significance: minor
+Type: compat
+
+Subscription Widget: removed from Legacy Widget block and added transform

projects/plugins/jetpack/extensions/blocks/subscriptions/index.js

@@ -3,6 +3,7 @@
  */
 import { __, _x } from '@wordpress/i18n';
 import { Rect, Path, SVG } from '@wordpress/components';
+import { createBlock } from '@wordpress/blocks';
 
 /**
  * Internal dependencies
@@ -58,6 +59,28 @@ export const settings = {
 	attributes,
 	edit,
 	save,
+	transforms: {
+		from: [
+			{
+				type: 'block',
+				isMultiBlock: false,
+				blocks: [ 'core/legacy-widget' ],
+				isMatch: ( { idBase, instance } ) => {
+					if ( ! instance?.raw ) {
+						return false;
+					}
+					return idBase === 'blog_subscription';
+				},
+				transform: ( { instance } ) => {
+					return createBlock( 'jetpack/subscriptions', {
+						showSubscribersTotal: instance.raw.show_subscribers_total,
+						submitButtonText: instance.raw.subscribe_button,
+						subscribePlaceholder: instance.raw.subscribe_placeholder,
+					} );
+				},
+			},
+		],
+	},
 	example: {
 		attributes: {},
 	},

projects/plugins/jetpack/modules/subscriptions/views.php

@@ -1,7 +1,11 @@
 <?php
 
 class Jetpack_Subscriptions_Widget extends WP_Widget {
+
+	const ID_BASE = 'blog_subscription';
+
 	static $instance_count = 0;
+
 	/**
 	 * @var array When printing the submit button, what tags are allowed
 	 */
@@ -32,6 +36,7 @@ function __construct() {
 			'classname'                   => 'widget_blog_subscription jetpack_subscription_widget',
 			'description'                 => __( 'Add an email signup form to allow people to subscribe to your blog.', 'jetpack' ),
 			'customize_selective_refresh' => true,
+			'show_instance_in_rest'       => true,
 		);
 
 		$name = self::is_jetpack() ?
@@ -54,6 +59,19 @@ function __construct() {
 		) {
 			add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_style' ) );
 		}
+
+		add_filter( 'widget_types_to_hide_from_legacy_widget_block', array( $this, 'hide_widget_in_block_editor' ) );
+	}
+
+	/**
+	 * Remove Social Icons widget from Legacy Widget block.
+	 *
+	 * @param array $widget_types Widget type data.
+	 * This only applies to new blocks being added.
+	 */
+	public function hide_widget_in_block_editor( $widget_types ) {
+		$widget_types[] = self::ID_BASE;
+		return $widget_types;
 	}
 
 	/**