Refactor

modules/opd_presentations/src/Event.php

@@ -21,4 +21,8 @@ final class Event extends Paragraph implements ParagraphInterface {
     return $this->get('field_event_name')->value;
   }
 
+  public function isPast(): bool {
+    return $this->getEventDate() < strtotime('today');
+  }
+
 }

modules/opd_presentations/src/Presentation.php

@@ -12,10 +12,8 @@ final class Presentation extends Node implements NodeInterface {
   public const NODE_TYPE = 'presentation';
 
   public function getPastEvents(): Events {
-    $today = strtotime('today');
-
     return Events::fromEvents($this->get('field_events')->referencedEntities())
-      ->filter(fn (Event $event) => $event->getEventDate() < $today);
+      ->filter(fn (Event $event) => $event->isPast());
   }
 
 }