Added internal function 'local_webhooks_delete_events'

Signed-off-by: Valentin Popov <info@valentineus.link>

locallib.php

@@ -71,6 +71,16 @@ function local_webhooks_cache_reset() {
     return $cache->purge();
 }
 
+/**
+ * Deleting all the events linked to the given service.
+ *
+ * @param number $serviceid
+ */
+function local_webhooks_delete_events($serviceid) {
+    global $DB;
+    $DB->delete_records(LOCAL_WEBHOOKS_TABLE_EVENTS, array("serviceid" => $serviceid));
+}
+
 /**
  * Data serialization.
  *