public RealEstate CreateEstate(RealEstate estate)
        {
            this.realEstates.Add(estate);
            this.realEstates.SaveChanges();

            return estate;
        }
        public int AddNew(RealEstate newRealEstate, string userId)
        {
            newRealEstate.CreatedOn = DateTime.UtcNow;
            newRealEstate.UserId = userId;

            this.realEstates.Add(newRealEstate);
            this.realEstates.SaveChanges();

            return newRealEstate.Id;
        }