add proof of concept for indicators that activitypub is not enabled for a event plugin

activitypub-event-transformers.php

@@ -30,7 +30,7 @@ add_filter(
 		 * @see https://wordpress.org/plugins/very-simple-event-list/
 		 */
 		if ( $object->post_type === 'event' ) {
-			require_once __DIR__ . '/activitypub/transformer/class-vs-event.php';
+			require_once __DIR__ . '/includes/activitypub/transformer/class-vs-event.php';
 			return new \VS_Event( $object );
 		}
 		// Return the default transformer.
@@ -40,6 +40,47 @@ add_filter(
 	3
 );
 
+/**
+ * Add admin notices for improved usability.
+ */
+function check_some_other_plugin() {
+	if ( is_plugin_active('activitypub/activitypub.php') ) {
+		if ( is_plugin_active('very-simple-event-list/vsel.php') ) {
+			add_action( 'admin_notices', 'vsel_admin_notices' );
+		}
+	}
+}
+
+add_action( 'admin_init', 'check_some_other_plugin' );
+
+function vsel_admin_notices() {
+	$is_vsel_edit_page = isset($_GET['post_type']) && $_GET['post_type'] === 'event';
+	$is_vsel_settings_page = strpos($_SERVER['REQUEST_URI'], '/wp-admin/options-general.php?page=vsel') !== false ;
+	$is_vsel_page =  $is_vsel_edit_page || $is_vsel_settings_page;
+	$vsel_post_type_is_activitypub_enabeld = in_array( 'event', get_option( 'activitypub_support_post_types') );
+	if ( $is_vsel_page && ! $vsel_post_type_is_activitypub_enabeld ) {
+		$vsel_plugin_data = get_plugin_data( WP_PLUGIN_DIR . '/very-simple-event-list/vsel.php' );
+		$activitypub_plugin_data = get_plugin_data( WP_PLUGIN_DIR . '/activitypub/activitypub.php' );
+		$notice = sprintf(
+			_x(
+				'You have installed the %1$s plugin, but the event post type of %2$s is not enabled in the <a href="%3$s">%1$s settings</a>.',
+				'admin notice',
+				'your-text-domain'
+			),
+			$activitypub_plugin_data['Name'],
+			$vsel_plugin_data['Name'],
+			admin_url('options-general.php?page=activitypub&tab=settings')
+		);
+		wp_admin_notice(
+			$notice,
+			array(
+				'type' => 'warning',
+				'dismissible' => true,
+			)
+		);
+	}
+}
+
 /**
  * Add a filter for http_request_host_is_external
  *

readme.txt

@@ -0,0 +1,15 @@
+=== ActivityPub Event Plugin ===
+Contributors: menrath
+Tags: events, fediverse, activitypub, activitystream
+Requires at least: 6.4
+Tested up to: 6.4
+Stable tag: 1.0.0
+Requires PHP: 5.6
+License: AGPL-3.0-or-later
+License URI: http://opensource.org/licenses/MIT
+
+The ActivityPub Event Plugin is...
+
+== Description ==
+
+TODO