public HttpResponseMessage GetByMailIdAndAttachementId(int id, int attId, string extention = null, int?status = null) { var attachement = _attachementRepository.GetAttachementsByMailIdAndAttachementIdAndFileExtentionAndStatusId(id, attId, extention, status); if (attachement == null) { return(Request.CreateResponse(HttpStatusCode.NotFound)); } return(Request.CreateResponse(HttpStatusCode.OK, attachement)); }