PROD-30973 - Implement 'user cancels enrolment to event' event for th…

…e EDA, https://getopensocial.atlassian.net/browse/PROD-30973

modules/social_features/social_event/social_event.module

@@ -302,6 +302,32 @@ function social_event_entity_insert(EntityInterface $entity): void {
   }
 }
 
+/**
+ * Implements hook_entity_delete().
+ */
+function social_event_entity_delete(EntityInterface $entity): void {
+  if ($entity instanceof EventEnrollment) {
+    // Invite or user requests statuses.
+    $invite_or_request_statuses = [
+      EventEnrollmentInterface::REQUEST_OR_INVITE_DECLINED,
+      EventEnrollmentInterface::INVITE_INVALID_OR_EXPIRED,
+      EventEnrollmentInterface::INVITE_PENDING_REPLY,
+    ];
+
+    if (!$entity->get('field_request_or_invite_status')->isEmpty() &&
+      in_array(
+        (int) $entity->get('field_request_or_invite_status')->getString(),
+        $invite_or_request_statuses
+      )
+    ) {
+      return;
+    }
+
+    \Drupal::service('social_event.eda_event_enrollment_handler')
+      ->eventEnrollmentCancel($entity);
+  }
+}
+
 /**
  * Implements hook_block_view_alter().
  *

modules/social_features/social_event/src/EdaEventEnrollmentHandler.php

@@ -85,6 +85,15 @@ public function eventEnrollmentCreate(EventEnrollmentInterface $event_enrollment
     $this->dispatch($topic_name, $event_type, $event_enrollment);
   }
 
+  /**
+   * Cancels an event enrollment.
+   */
+  public function eventEnrollmentCancel(EventEnrollmentInterface $event_enrollment): void {
+    $event_type = 'com.getopensocial.event_enrollment.cancel';
+    $topic_name = 'com.getopensocial.event_enrollment.cancel';
+    $this->dispatch($topic_name, $event_type, $event_enrollment);
+  }
+
   /**
    * Transforms a EventEnrollment into a CloudEvent.
    *
@@ -141,6 +150,29 @@ public function fromEntity(EventEnrollmentInterface $event_enrollment, string $e
       ];
     }
 
+    // Get enrollee data.
+    $enrollee = $event_enrollment->getAccountEntity();
+    $enrollee_data = [];
+    if ($enrollee && $enrollee->id() != 0) {
+      $enrollee_data = [
+        'id' => (string) $enrollee->uuid(),
+        'displayName' => (string) $enrollee->getDisplayName(),
+        'email' => "",
+        'href' => Href::fromEntity($enrollee),
+      ];
+    }
+    else {
+      $first_name = $event_enrollment->get('field_first_name')->value;
+      $last_name = $event_enrollment->get('field_last_name')->value;
+      $email = $event_enrollment->get('field_email')->value;
+      $enrollee_data = [
+        'id' => NULL,
+        'displayName' => $first_name . " " . $last_name,
+        'email' => $email,
+        'href' => NULL,
+      ];
+    }
+
     return new CloudEvent(
       id: $this->uuid->generate(),
       source: $this->source,
@@ -179,7 +211,7 @@ public function fromEntity(EventEnrollmentInterface $event_enrollment, string $e
         ],
         'actor' => [
           'application' => $actor_application ? Application::fromId($actor_application) : NULL,
-          'user' => $actor_user ? User::fromEntity($actor_user) : NULL,
+          'user' => $enrollee_data,
         ],
       ],
       dataContentType: 'application/json',

modules/social_features/social_event/tests/src/Unit/EdaEventEnrollmentHandlerTest.php

@@ -305,6 +305,27 @@ public function testEventEnrollmentCreate(): void {
     $handler->eventEnrollmentCreate($this->eventEnrollment);
   }
 
+  /**
+   * Tests the eventEnrollmentCreate method.
+   *
+   * @covers ::eventEnrollmentCreate
+   */
+  public function testEventEnrollmentCancel(): void {
+    // Create the handler instance.
+    $handler = $this->getMockedHandler();
+
+    // Expect dispatch to be called with specific parameters.
+    $this->dispatcher->expects($this->once())
+      ->method('dispatch')
+      ->with(
+        $this->equalTo('com.getopensocial.event_enrollment.cancel'),
+        $this->isInstanceOf(CloudEvent::class)
+      );
+
+    // Call the eventEnrollmentCancel method.
+    $handler->eventEnrollmentCancel($this->eventEnrollment);
+  }
+
   /**
    * Tests the fromEntity method.
    *