public HttpResponseMessage PostCertificate(string propertyReference, Certificate certificate)
        {
            Check.If(propertyReference).IsNotNullOrEmpty();
            Check.If(certificate).IsNotNull();

            var result = _certificateService.CreateCertificate(propertyReference, Mapper.Map<Core.Objects.Certificate>(certificate));

            if (result == null)
            {
                return new HttpResponseMessage { StatusCode = HttpStatusCode.InternalServerError };
            }

            var response = new HttpResponseMessage { StatusCode = HttpStatusCode.Created };

            response.Headers.Location = new Uri(Url.Link("GetCertificate", new { propertyReference, certificateReference = result }));

            return response;
        }
        public HttpResponseMessage PutCertificate(string propertyReference, string certificateReference, Certificate certificate)
        {
            Check.If(propertyReference).IsNotNullOrEmpty();
            Check.If(certificateReference).IsNotNullOrEmpty();
            Check.If(certificate).IsNotNull();

            var result = _certificateService.UpdateCertificate(propertyReference, certificateReference, Mapper.Map<Core.Objects.Certificate>(certificate));

            return result
                ? new HttpResponseMessage { StatusCode = HttpStatusCode.OK }
                : new HttpResponseMessage { StatusCode = HttpStatusCode.InternalServerError };
        }