public async Task <IActionResult> GetChatMessages(SubsonicRequest request, long?since) { var authResult = await AuthenticateUser(request).ConfigureAwait(false); if (authResult != null) { return(authResult); } var result = await SubsonicService.GetChatMessages(request, SubsonicUser, since).ConfigureAwait(false); return(BuildResponse(request, result, "chatMessages")); }