Issue #3445409 by bramtenhove: Remove expensive entity loads for the …

…event enrollment counter

modules/social_features/social_event/social_event.tokens.inc

@@ -70,7 +70,7 @@ function social_event_tokens($type, $tokens, array $data, array $options, Bubble
               $count = count($enrollments->getEventEnrollmentsByStatus((int) $node->id(), [
                 EventEnrollmentInterface::INVITE_ACCEPTED_AND_JOINED,
                 EventEnrollmentInterface::REQUEST_APPROVED,
-              ]));
+              ], TRUE));
               $enrollments = \Drupal::translation()->formatPlural(
                 $count,
                 ':count person has enrolled',

modules/social_features/social_event/src/EventEnrollmentStatusHelper.php

@@ -215,14 +215,17 @@ public function getAllEventEnrollments($event, $ignore_all_status = FALSE) {
    *   Event id to search enrollments.
    * @param array $filter
    *   Event enrollment status to be filtered.
+   * @param bool $ids_only
+   *   (optional) Don't return a list of objects, but just their IDs. Defaults
+   *   to FALSE.
    *
    * @return array
    *   Return an array of EventEnrollmentEntity.
    *
    * @throws \Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException
    * @throws \Drupal\Component\Plugin\Exception\PluginNotFoundException
    */
-  public function getEventEnrollmentsByStatus(int $event_id, array $filter): array {
+  public function getEventEnrollmentsByStatus(int $event_id, array $filter, bool $ids_only = FALSE): array {
     // Get event-enrollment query.
     $query = $this->entityTypeManager
       ->getStorage('event_enrollment')
@@ -239,6 +242,12 @@ public function getEventEnrollmentsByStatus(int $event_id, array $filter): array
       ->condition($status_group_condition)
       ->execute();
 
+    // If just IDs were requested we can return here without needing to do an
+    // expensive load for the enrollment entities.
+    if ($ids_only) {
+      return $event_nid;
+    }
+
     return $this->entityTypeManager->getStorage('event_enrollment')
       ->loadMultiple($event_nid);
   }