Starter Kit: Interaction API

.github/changelog/2049-from-description

@@ -0,0 +1,4 @@
+Significance: minor
+Type: added
+
+Adds support for Starter Kit collections in the ActivityPub API.

includes/rest/class-interaction-controller.php

@@ -115,7 +115,7 @@ public function get_item( $request ) {
 			case 'Service':
 			case 'Application':
 			case 'Organization':
-				if ( boolval( get_option( 'activitypub_following_ui', '0' ) ) ) {
+				if ( \get_option( 'activitypub_following_ui', '0' ) ) {
 					if ( user_can_activitypub( \get_current_user_id() ) ) {
 						$redirect_url = \admin_url( 'users.php?page=activitypub-following-list&resource=' . $url_param );
 					} elseif ( user_can_activitypub( Actors::BLOG_USER_ID ) ) {
@@ -132,8 +132,26 @@ public function get_item( $request ) {
 				 */
 				$redirect_url = \apply_filters( 'activitypub_interactions_follow_url', $redirect_url, $uri, $object );
 				break;
+			case 'Collection':
+			case 'CollectionPage':
+			case 'OrderedCollection':
+			case 'OrderedCollectionPage':
+				if ( \get_option( 'activitypub_following_ui', '0' ) ) {
+					$redirect_url = \admin_url( 'admin.php?import=starter-kit&url=' . $url_param );
+				}
+
+				/**
+				 * Filters the URL used for importing a Starter Kit collection.
+				 *
+				 * @param string $redirect_url The URL to redirect to.
+				 * @param string $uri          The URI of the collection to import.
+				 * @param array  $object       The full collection object data.
+				 */
+				$redirect_url = \apply_filters( 'activitypub_interactions_starter_kit_url', $redirect_url, $uri, $object );
+				break;
 			default:
 				$redirect_url = \admin_url( 'post-new.php?in_reply_to=' . $url_param );
+
 				/**
 				 * Filters the URL used for replying to an ActivityPub object.
 				 *

includes/wp-admin/import/class-starter-kit.php

@@ -242,10 +242,12 @@ public static function handle_url_import() {
 		$base_filename   = 'starter-kit.json';
 		$unique_filename = \wp_unique_filename( $upload_dir['path'], $base_filename );
 		$temp_file       = \trailingslashit( $upload_dir['path'] ) . $unique_filename;
+
 		if ( ! \WP_Filesystem() ) {
 			\printf( '<p><strong>%s</strong><br />%s</p>', \esc_html( $error_message ), \esc_html__( 'Failed to initialize the WordPress filesystem.', 'activitypub' ) );
 			return false;
 		}
+
 		global $wp_filesystem;
 
 		if ( ! $wp_filesystem || ! is_a( $wp_filesystem, 'WP_Filesystem_Base' ) ) {
@@ -323,7 +325,6 @@ private static function setup_blog_user_filter() {
 	 * Cleanup blog user filter.
 	 */
 	private static function cleanup_blog_user_filter() {
-
 		if ( self::$blog_user_filter_callback && self::$blog_user_filter_added ) {
 			\remove_filter( 'wp_dropdown_users', self::$blog_user_filter_callback );
 			self::$blog_user_filter_callback = null;