if locked, notify admin about that on join

server/internal/websocket/session.go

@@ -22,6 +22,17 @@ func (h *MessageHandler) SessionCreated(id string, session types.Session) error
 		if err := h.boradcastStatus(session); err != nil {
 			return err
 		}
+
+		// if locked, notify admin about that
+		if h.locked {
+			if err := session.Send(message.MembersList{
+				Event: event.ADMIN_LOCK,
+				ID:    id,
+			}); err != nil {
+				h.logger.Warn().Str("id", id).Err(err).Msgf("sending event %s has failed", event.ADMIN_LOCK)
+				return err
+			}
+		}
 	}
 
 	return nil