public IHttpActionResult Delete(Guid tripId, Guid pictureId)
        {
            try
            {
                using (var uow = new DeletePicture(null, tripId, pictureId))
                {
                    var uowResult = uow.Execute();

                    switch (uowResult.Status)
                    {
                    case UnitOfWork.UnitOfWorkStatus.Ok:
                        return(StatusCode(HttpStatusCode.NoContent));

                    case UnitOfWork.UnitOfWorkStatus.Invalid:
                        return(BadRequest());

                    case UnitOfWork.UnitOfWorkStatus.NotFound:
                        return(NotFound());

                    case UnitOfWork.UnitOfWorkStatus.Forbidden:
                        return(StatusCode(HttpStatusCode.Forbidden));

                    default:
                        return(InternalServerError());
                    }
                }
            }
            catch (Exception)
            {
                return(InternalServerError());
            }
        }
        public IHttpActionResult Delete(Guid tripId, Guid pictureId)
        {
            try
            {
                // the user can delete.  But can he also delete THIS picture?
                string ownerId = TokenIdentityHelper.GetOwnerIdFromToken();

                using (var uow = new DeletePicture(ownerId, tripId, pictureId))
                {
                    var uowResult = uow.Execute();

                    switch (uowResult.Status)
                    {
                    case UnitOfWork.UnitOfWorkStatus.Ok:
                        return(StatusCode(HttpStatusCode.NoContent));

                    case UnitOfWork.UnitOfWorkStatus.Invalid:
                        return(BadRequest());

                    case UnitOfWork.UnitOfWorkStatus.NotFound:
                        return(NotFound());

                    case UnitOfWork.UnitOfWorkStatus.Forbidden:
                        return(StatusCode(HttpStatusCode.Forbidden));

                    default:
                        return(InternalServerError());
                    }
                }
            }
            catch (Exception)
            {
                return(InternalServerError());
            }
        }