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<title>[51235] trunk: REST API: Retrieve latest widgets before loading sidebars.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/51235">51235</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/51235","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>TimothyBlynJacobs</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2021-06-25 13:17:20 +0000 (Fri, 25 Jun 2021)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>REST API: Retrieve latest widgets before loading sidebars.

This fixes issues where sidebars would be unexpectedly missing from the new widgets screen. Running retrieve_widgets syncs sidebars that were registered after the last theme switch.

Props walbo, hellofromTonya, noisysocks.
Fixes <a href="https://core.trac.wordpress.org/ticket/53489">#53489</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesrestapiendpointsclasswprestsidebarscontrollerphp">trunk/src/wp-includes/rest-api/endpoints/class-wp-rest-sidebars-controller.php</a></li>
<li><a href="#trunktestsphpunittestsrestapirestsidebarscontrollerphp">trunk/tests/phpunit/tests/rest-api/rest-sidebars-controller.php</a></li>
<li><a href="#trunktestsphpunittestsrestapirestwidgettypescontrollerphp">trunk/tests/phpunit/tests/rest-api/rest-widget-types-controller.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpincludesrestapiendpointsclasswprestsidebarscontrollerphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-includes/rest-api/endpoints/class-wp-rest-sidebars-controller.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/rest-api/endpoints/class-wp-rest-sidebars-controller.php    2021-06-25 10:38:23 UTC (rev 51234)
+++ trunk/src/wp-includes/rest-api/endpoints/class-wp-rest-sidebars-controller.php      2021-06-25 13:17:20 UTC (rev 51235)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -98,8 +98,10 @@
</span><span class="cx" style="display: block; padding: 0 10px">         * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        public function get_items( $request ) {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                retrieve_widgets();
+
</ins><span class="cx" style="display: block; padding: 0 10px">                 $data = array();
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                foreach ( (array) wp_get_sidebars_widgets() as $id => $widgets ) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         foreach ( wp_get_sidebars_widgets() as $id => $widgets ) {
</ins><span class="cx" style="display: block; padding: 0 10px">                         $sidebar = $this->get_sidebar( $id );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                        if ( ! $sidebar ) {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -135,6 +137,8 @@
</span><span class="cx" style="display: block; padding: 0 10px">         * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        public function get_item( $request ) {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                retrieve_widgets();
+
</ins><span class="cx" style="display: block; padding: 0 10px">                 $sidebar = $this->get_sidebar( $request['id'] );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                if ( ! $sidebar ) {
</span></span></pre></div>
<a id="trunktestsphpunittestsrestapirestsidebarscontrollerphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/rest-api/rest-sidebars-controller.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/rest-api/rest-sidebars-controller.php   2021-06-25 10:38:23 UTC (rev 51234)
+++ trunk/tests/phpunit/tests/rest-api/rest-sidebars-controller.php     2021-06-25 13:17:20 UTC (rev 51235)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -8,10 +8,11 @@
</span><span class="cx" style="display: block; padding: 0 10px">  */
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * Tests for REST API for Menus.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * Tests for REST API for Widgets.
</ins><span class="cx" style="display: block; padding: 0 10px">  *
</span><span class="cx" style="display: block; padding: 0 10px">  * @see WP_Test_REST_Controller_Testcase
</span><span class="cx" style="display: block; padding: 0 10px">  * @group restapi
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * @group widgets
</ins><span class="cx" style="display: block; padding: 0 10px">  * @covers WP_REST_Sidebars_Controller
</span><span class="cx" style="display: block; padding: 0 10px">  */
</span><span class="cx" style="display: block; padding: 0 10px"> class WP_Test_REST_Sidebars_Controller extends WP_Test_REST_Controller_Testcase {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -61,6 +62,18 @@
</span><span class="cx" style="display: block; padding: 0 10px">                update_option( 'sidebars_widgets', array() );
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+        function clean_up_global_scope() {
+               global $wp_widget_factory, $wp_registered_sidebars, $wp_registered_widgets, $wp_registered_widget_controls, $wp_registered_widget_updates;
+
+               $wp_registered_sidebars        = array();
+               $wp_registered_widgets         = array();
+               $wp_registered_widget_controls = array();
+               $wp_registered_widget_updates  = array();
+               $wp_widget_factory->widgets    = array();
+
+               parent::clean_up_global_scope();
+       }
+
</ins><span class="cx" style="display: block; padding: 0 10px">         private function setup_widget( $option_name, $number, $settings ) {
</span><span class="cx" style="display: block; padding: 0 10px">                update_option(
</span><span class="cx" style="display: block; padding: 0 10px">                        $option_name,
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -128,6 +141,8 @@
</span><span class="cx" style="display: block; padding: 0 10px">         * @ticket 41683
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        public function test_get_items() {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                wp_widgets_init();
+
</ins><span class="cx" style="display: block; padding: 0 10px">                 $request  = new WP_REST_Request( 'GET', '/wp/v2/sidebars' );
</span><span class="cx" style="display: block; padding: 0 10px">                $response = rest_get_server()->dispatch( $request );
</span><span class="cx" style="display: block; padding: 0 10px">                $data     = $response->get_data();
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -193,6 +208,8 @@
</span><span class="cx" style="display: block; padding: 0 10px">         * @ticket 41683
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        public function test_get_items_active_sidebar_with_widgets() {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                wp_widgets_init();
+
</ins><span class="cx" style="display: block; padding: 0 10px">                 $this->setup_widget(
</span><span class="cx" style="display: block; padding: 0 10px">                        'widget_rss',
</span><span class="cx" style="display: block; padding: 0 10px">                        1,
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -242,6 +259,56 @@
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        /**
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         * @ticket 53489
+        */
+       public function test_get_items_when_registering_new_sidebars() {
+               register_sidebar(
+                       array(
+                               'name'          => 'New Sidebar',
+                               'id'            => 'new-sidebar',
+                               'before_widget' => '',
+                               'after_widget'  => '',
+                               'before_title'  => '',
+                               'after_title'   => '',
+                       )
+               );
+
+               $request  = new WP_REST_Request( 'GET', '/wp/v2/sidebars' );
+               $response = rest_get_server()->dispatch( $request );
+               $data     = $response->get_data();
+               $data     = $this->remove_links( $data );
+               $this->assertSame(
+                       array(
+                               array(
+                                       'id'            => 'wp_inactive_widgets',
+                                       'name'          => 'Inactive widgets',
+                                       'description'   => '',
+                                       'class'         => '',
+                                       'before_widget' => '',
+                                       'after_widget'  => '',
+                                       'before_title'  => '',
+                                       'after_title'   => '',
+                                       'status'        => 'inactive',
+                                       'widgets'       => array(),
+                               ),
+                               array(
+                                       'id'            => 'new-sidebar',
+                                       'name'          => 'New Sidebar',
+                                       'description'   => '',
+                                       'class'         => '',
+                                       'before_widget' => '',
+                                       'after_widget'  => '',
+                                       'before_title'  => '',
+                                       'after_title'   => '',
+                                       'status'        => 'active',
+                                       'widgets'       => array(),
+                               ),
+                       ),
+                       $data
+               );
+       }
+
+       /**
</ins><span class="cx" style="display: block; padding: 0 10px">          * @ticket 41683
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        public function test_get_item() {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -317,6 +384,8 @@
</span><span class="cx" style="display: block; padding: 0 10px">         * @ticket 41683
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        public function test_update_item() {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                wp_widgets_init();
+
</ins><span class="cx" style="display: block; padding: 0 10px">                 $this->setup_widget(
</span><span class="cx" style="display: block; padding: 0 10px">                        'widget_rss',
</span><span class="cx" style="display: block; padding: 0 10px">                        1,
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -382,6 +451,8 @@
</span><span class="cx" style="display: block; padding: 0 10px">         * @ticket 41683
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        public function test_update_item_removes_widget_from_existing_sidebar() {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                wp_widgets_init();
+
</ins><span class="cx" style="display: block; padding: 0 10px">                 $this->setup_widget(
</span><span class="cx" style="display: block; padding: 0 10px">                        'widget_text',
</span><span class="cx" style="display: block; padding: 0 10px">                        1,
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -423,6 +494,8 @@
</span><span class="cx" style="display: block; padding: 0 10px">         * @ticket 41683
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        public function test_update_item_moves_omitted_widget_to_inactive_sidebar() {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                wp_widgets_init();
+
</ins><span class="cx" style="display: block; padding: 0 10px">                 $this->setup_widget(
</span><span class="cx" style="display: block; padding: 0 10px">                        'widget_text',
</span><span class="cx" style="display: block; padding: 0 10px">                        1,
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -465,6 +538,8 @@
</span><span class="cx" style="display: block; padding: 0 10px">         * @ticket 41683
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        public function test_get_items_inactive_widgets() {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                wp_widgets_init();
+
</ins><span class="cx" style="display: block; padding: 0 10px">                 $this->setup_widget(
</span><span class="cx" style="display: block; padding: 0 10px">                        'widget_rss',
</span><span class="cx" style="display: block; padding: 0 10px">                        1,
</span></span></pre></div>
<a id="trunktestsphpunittestsrestapirestwidgettypescontrollerphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/rest-api/rest-widget-types-controller.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/rest-api/rest-widget-types-controller.php       2021-06-25 10:38:23 UTC (rev 51234)
+++ trunk/tests/phpunit/tests/rest-api/rest-widget-types-controller.php 2021-06-25 13:17:20 UTC (rev 51235)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -112,6 +112,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">         * @ticket 41683
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        public function test_get_items() {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                wp_widgets_init();
</ins><span class="cx" style="display: block; padding: 0 10px">                 wp_set_current_user( self::$admin_id );
</span><span class="cx" style="display: block; padding: 0 10px">                $request  = new WP_REST_Request( 'GET', '/wp/v2/widget-types' );
</span><span class="cx" style="display: block; padding: 0 10px">                $response = rest_get_server()->dispatch( $request );
</span></span></pre>
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