/// <summary>
/// Создает Чек
/// </summary>
/// <param name="customer">Покупатель</param>
/// <param name="date">Дата</param>
static public Check MakeCheck(Customer customer, DateTime date)
{
Checks.Add(new Check(customer, date));
ChecksListUpdated?.Invoke(Checks.Last());
return(Checks.Last());
}
/// <summary>
/// Создает строку чека
/// </summary>
/// <param name="goods">Товар</param>
/// <param name="guantity">количество</param>
/// <returns></returns>
static public void AddCheckOrdeItem(Check parent, Goods goods, int guantity)
{
if (goods == null || parent == null)
{
throw new Exception("Чек не был создан, неверный параметр!");
}
parent.Items.Add(new CheckItem(goods, guantity));
ChecksListUpdated?.Invoke(parent);
}
/// <summary>
/// Удаляет чек, если он не оплачен.
/// </summary>
/// <param name="check"></param>
/// <returns></returns>
static public bool RemoveCheck(Check check)
{
if (check.PaymentType == ePayment.NoPayment)
{
Checks.Remove(check);
ChecksListUpdated?.Invoke(null);
return(true);
}
else
{
return(false);
}
}
