(WIP) afform_log - Wrap "prefill" with log statement

log/afform_log.php

@@ -10,6 +10,52 @@ use CRM_AfformLog_ExtensionUtil as E;
  */
 function afform_log_civicrm_config(&$config) {
   _afform_log_civix_civicrm_config($config);
+
+  if (isset(Civi::$statics[__FUNCTION__])) {
+    return;
+  }
+  Civi::$statics[__FUNCTION__] = 1;
+
+  Civi::dispatcher()->addListener('civi.api.prepare', '_afform_log_wrap', Civi\API\Events::W_LATE);
+}
+
+/**
+ * @param \Civi\API\Event\PrepareEvent $event
+ */
+function _afform_log_wrap($event) {
+  $a = $event->getApiRequest();
+  switch ($a['entity'] . '.' . $a['action']) {
+    case 'Afform.prefill':
+      // $event->wrapApi('_afform_log_wrap_prefill');
+      break;
+
+    case 'Afform.submit':
+      // $event->wrapApi('_afform_log_wrap_submit');
+      break;
+  }
+}
+
+/**
+ * Handle the Mailing.submit API.
+ *
+ * @param \Civi\Api4\Action\Afform\Prefill $apiRequest
+ *   The submitted API request.
+ * @param callable $continue
+ *   The original/upstream implementation of Mailing.submit API.
+ * @return array
+ * @throws \API_Exception
+ */
+function _afform_log_wrap_prefill(\Civi\Api4\Action\Afform\Prefill $apiRequest, $continue) {
+  // FIXME: Get a reference to the form. Check which logging is active.
+  \Civi\Api4\AfformLog::create()
+    ->setCheckPermissions(FALSE)
+    ->addValue('name', $apiRequest->getName())
+    ->addValue('type', 'read')
+    ->addValue('data', [
+      // ...
+    ])
+    ->execute();
+  return $continue($apiRequest);
 }
 
 /**