public async Task <IActionResult> UpdateInventory(InventoryItemForUpdateDto model)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }
            _response = await _repo.UpdateInventory(model);

            return(Ok(_response));
        }
        public async Task <ServiceResponse <object> > UpdateInventory(InventoryItemForUpdateDto model)
        {
            var toUpdate = await _context.StaffInventory.Where(m => m.Id == model.Id).FirstOrDefaultAsync();

            toUpdate.Title  = model.Title;
            toUpdate.Amount = Convert.ToDouble(model.Amount);

            _context.StaffInventory.Update(toUpdate);
            await _context.SaveChangesAsync();

            _serviceResponse.Message = CustomMessage.Updated;
            _serviceResponse.Success = true;
            return(_serviceResponse);
        }