From df04913ba13dbd28995b4b7b0ffa53d6de1f0b40 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Menrath?= <andre.menrath@posteo.de>
Date: Tue, 10 Sep 2024 18:48:02 +0200
Subject: [PATCH] fix event category mapping when so categories are present

---
 includes/class-settings.php | 3 +++
 templates/settings.php      | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/includes/class-settings.php b/includes/class-settings.php
index bfc1e82..26248af 100644
--- a/includes/class-settings.php
+++ b/includes/class-settings.php
@@ -73,6 +73,9 @@ class Settings {
 	 * @param array $event_category_mappings The settings value.
 	 */
 	public static function sanitize_event_category_mappings( $event_category_mappings ) {
+		if ( empty( $event_category_mappings ) ) {
+			return array();
+		}
 		foreach ( $event_category_mappings as $taxonomy_slug => $event_category ) {
 			if ( ! self::is_allowed_event_category( $event_category ) ) {
 				unset( $event_category_mappings[ $taxonomy_slug ] );
diff --git a/templates/settings.php b/templates/settings.php
index da74646..34b6bb3 100644
--- a/templates/settings.php
+++ b/templates/settings.php
@@ -93,6 +93,7 @@ $current_category_mapping        = \get_option( 'activitypub_event_extensions_ev
 			</table>
 		</div>
 
+		<?php if( ! empty( $event_terms ) ) : ?>
 		<div class="box">
 			<h2> <?php esc_html_e( 'Advanced Event Category Settings', 'activitypub-event-extensions' ); ?> </h2>
 			<p> <?php esc_html_e( 'Take more control by adjusting how your event categories are mapped to the basic category set used in ActivityPub. This option lets you override the default selection above, ensuring more accurate categorization and better visibility for your events.' ); ?> </p>
@@ -128,6 +129,7 @@ $current_category_mapping        = \get_option( 'activitypub_event_extensions_ev
 				<?php } ?>
 			</table>
 		</div>
+		<?php endif; ?>
 		<?php \submit_button(); ?>
 	</form>
 </div>