1 files changed, 50 insertions, 0 deletions
diff --git a/www/crm/wp-content/plugins/civicrm/civicrm/ext/api4/Civi/Api4/Event/Subscriber/PreCreationSubscriber.php b/www/crm/wp-content/plugins/civicrm/civicrm/ext/api4/Civi/Api4/Event/Subscriber/PreCreationSubscriber.php
new file mode 100644
index 00000000..6737a9f3
--- /dev/null
+++ b/www/crm/wp-content/plugins/civicrm/civicrm/ext/api4/Civi/Api4/Event/Subscriber/PreCreationSubscriber.php
@@ -0,0 +1,50 @@
+<?php
+
+namespace Civi\Api4\Event\Subscriber;
+
+use Civi\API\Event\PrepareEvent;
+use Civi\Api4\Generic\DAOCreateAction;
+
+abstract class PreCreationSubscriber extends AbstractPrepareSubscriber {
+  /**
+   * @param PrepareEvent $event
+   */
+  public function onApiPrepare(PrepareEvent $event) {
+    $apiRequest = $event->getApiRequest();
+    if (!$apiRequest instanceof DAOCreateAction) {
+      return;
+    }
+
+    $this->addDefaultCreationValues($apiRequest);
+    if ($this->applies($apiRequest)) {
+      $this->modify($apiRequest);
+    }
+  }
+
+  /**
+   * Modify the request
+   *
+   * @param DAOCreateAction $request
+   *
+   * @return void
+   */
+  abstract protected function modify(DAOCreateAction $request);
+
+  /**
+   * Check if this subscriber should be applied to the request
+   *
+   * @param DAOCreateAction $request
+   *
+   * @return bool
+   */
+  abstract protected function applies(DAOCreateAction $request);
+
+  /**
+   * Sets default values common to all creation requests
+   *
+   * @param DAOCreateAction $request
+   */
+  protected function addDefaultCreationValues(DAOCreateAction $request) {
+  }
+
+}