+ if ($before_id) {
+ $message->whereAdd("id < $before_id");
+ }
+
+ if ($since_id) {
+ $message->whereAdd("id > $since_id");
+ }
+
+ $since = strtotime($this->arg('since'));
+
+ if ($since) {
+ $d = date('Y-m-d H:i:s', $since);
+ $message->whereAdd("created > '$d'");
+ }
+