/// <summary>
/// продажа товара
/// </summary>
/// <param name="sellItem"></param>
/// <param name="customer"></param>
/// <returns></returns>
public virtual bool SellTheItem(GoodsItem sellItem, Customer customer)
{
if (ChechGoodsIsEnough(sellItem))
{
if (CheckIfEnoughMoney(sellItem,DBalance))
{
if (DoesHaveEnoughChange(sellItem, DBalance))
{
return _SellTheItem(sellItem, customer);
}
else
{
CancelOrder(customer);
DoesNotHaveEnoughChange();
return false;
}
}
else
{
//CancelOrder(customer);
DoesNotHaveEnoughMoney();
return false;
}
}
else
{
CancelOrder(customer);
DoesNotHaveEnoughGoods();
return false;
}
}
/// <summary>
/// отмена заказа
/// </summary>
/// <param name="customer"></param>
/// <returns></returns>
public virtual bool CancelOrder(Customer customer)
{
List<Coin> change = CountChange(null, DBalance);
if (customer.GetCoins(change))
{
Wallet.RemoveItems(a => change.Contains(a));
DBalance = 0;
return true;
}
return false;
}
/// <summary>
/// продаем товар
/// </summary>
/// <param name="sellItem"></param>
/// <param name="customer"></param>
/// <returns></returns>
private bool _SellTheItem(GoodsItem sellItem, Customer customer)
{
List<Coin> change;
if (customer.GetTheGood(sellItem))
{
GoodsStorage.RemoveItems(a => a == sellItem);
change = CountChange(sellItem, DBalance);
}
else
{
change = CountChange(null, DBalance);
}
if (customer.GetCoins(change))
{
Wallet.RemoveItems(a => change.Contains(a));
DBalance = 0;
NewMessage("Thank you!");
return true;
}
return false;
}
/// <summary>
/// Выдаем товар
/// </summary>
/// <param name="goodItem"></param>
/// <param name="customer"></param>
public virtual void TakeTheGood(GoodsItem goodItem,Customer customer)
{
if (customer.GetTheGood(goodItem))
{
GoodsStorage.RemoveItems(a => a.Equals(goodItem));
DBalance = 0;
}
}