public async Task <IActionResult> Add([FromBody] ReservationToCreateDto dto)
        {
            var result = await repo.AddReservation(dto);

            if (result)
            {
                return(Ok());
            }
            return(BadRequest());
        }
        public async Task <bool> AddReservation(ReservationToCreateDto dto)
        {
            var apm = await context.Apartments.Include(x => x.Host).FirstOrDefaultAsync(x => x.Name == dto.Apartment);

            var user = await context.Guests.Include(x => x.Reservations).FirstOrDefaultAsync(x => x.Username == dto.Guest);

            if (apm != null && user != null)
            {
                if (CheckForDates(apm.Dates, dto.StartDate, dto.Days))
                {
                    var newApmDates = RemoveDates(apm.Dates, dto.StartDate, dto.Days);
                    apm.Dates = newApmDates;
                    await context.SaveChangesAsync();

                    var totalPrice = CalaculatePrice(dto.StartDate, dto.Days, apm.Price);
                    var res        = new Reservation()
                    {
                        Apartment   = apm,
                        ApartmentId = apm.Id,
                        Date        = ConvertSingle(dto.StartDate),
                        Guest       = user,
                        GuestId     = user.Id,
                        Number      = dto.Days,
                        Status      = ReservationStatus.Created,
                        TotalPrice  = totalPrice
                    };

                    user.Reservations.Add(res);
                    await context.SaveChangesAsync();

                    return(true);
                }
                return(false);
            }
            return(false);
        }