public async Task <ActionResult> Create([FromBody] ReservationViewModel model)
        {
            if (model == null)
            {
                return(NotFound());
            }
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }
            try
            {
                var reservation = await _service.BookItem(model, User.Identity.Name);

                return(Ok(new { reservation.ReservationId }));
            }
            catch (UserNotFoundException)
            {
                ModelState.AddModelError("UserId", ErrorMessages.UserNotFound);
                return(BadRequest(ModelState));
            }
            catch (ItemNotFoundException)
            {
                ModelState.AddModelError("ItemId", ErrorMessages.ItemNotFound);
                return(BadRequest(ModelState));
            }
            catch (ReservationAlreadyExist)
            {
                ModelState.AddModelError("Reservation", ErrorMessages.ReservationAlreadyExists);
                return(BadRequest(ModelState));
            }
        }