public Receipt DoRent(ICollection<RentInfo> rentsInfo) {
Receipt receipt = null;
foreach (RentInfo rentInfo in rentsInfo) {
MovieItem item = rentInfo.Item.RentItem;
if (item == null) continue;
if (receipt == null) receipt = new Receipt(this, ReceiptType.Rentals);
new Rent.Rent(receipt, item, rentInfo.Days);
}
if (receipt != null) receipt.CalcPayment();
return receipt;
}
public Rent(Receipt receipt, MovieItem item, int days)
: base(receipt.Session) {
if (receipt == null) throw new ArgumentNullException("receipt");
if (item == null) throw new ArgumentNullException("item");
if (item.Status != MovieItemStatus.Active) throw new ArgumentException("Item is not active");
Receipt = receipt;
Item = item;
if (receipt.Type == ReceiptType.Purchases) {
Item.Status = MovieItemStatus.Sold;
Item.AvailableForSell = false;
Days = 0;
} else {
Item.Status = MovieItemStatus.Rented;
Days = days != 0 ? days : item.Movie.Category.GetPrice(item.Format).DefaultRentDays;
}
}
public Receipt Buy(ICollection<RentInfo> rentsInfo) {
Receipt receipt = null;
foreach (RentInfo rentInfo in rentsInfo) {
MovieItem item = rentInfo.Item.SellItem;
if (item == null) continue;
if (receipt == null) receipt = new Receipt(Customer, ReceiptType.Purchases);
new Rent(receipt, item, rentInfo.Days);
}
if (receipt != null) receipt.CalcPayment();
return receipt;
}
