public DougResponse Buy(User user, string itemId)
{
var item = _itemRepository.GetItem(itemId);
var price = _governmentService.GetPriceWithTaxes(item);
if (!user.HasEnoughCreditsForAmount(price))
{
return(new DougResponse(user.NotEnoughCreditsForAmountResponse(price)));
}
_creditsRepository.RemoveCredits(user.Id, price);
_inventoryRepository.AddItem(user, item);
_governmentService.CollectSalesTaxes(item);
return(new DougResponse());
}
