internal Boquet GetById(int id)
        {
            Boquet Boquet = _repo.GetById(id);

            if (Boquet == null)
            {
                throw new Exception("invalid Id");
            }
            return(Boquet);
        }
        internal IEnumerable <Flower> GetFlowersByBoquetId(int flowerId)
        {
            Boquet exists = _brepo.GetById(flowerId);

            if (exists == null)
            {
                throw new Exception("Invalid Id");
            }
            return(_repo.GetFlowersByBoquetId(flowerId));
        }