/// <summary>
/// Makes product sale
/// </summary>
/// <param name="ProductId">Product id</param>
/// <returns>Operation result</returns>
public Result BuyProduct(int ProductId)
{
if (Products[ProductId] == 0)
{
return new Result {
Success = false, Message = "This product has ended"
}
}
;
var ProductType = GetProductTypeById(ProductId);
if (ProductType.Price > Balance)
{
return(new Result {
Success = false, Message = "Not enough money, top up balance"
});
}
if (Balance > ProductType.Price && !Acceptor.IsCoinsEnough(Balance - ProductType.Price))
{
return new Result
{
Success = false, Message = "I can’t sell the goods, because I won’t be able to give change"
}
}
;
Balance -= ProductType.Price;
Products[ProductId] = Products[ProductId] - 1;
return(new Result {
Success = true, Message = "Product sold successfully"
});
}
/// <summary>
/// Transferring money from one vault to another
/// </summary>
/// <param name="Source">Source storage</param>
/// <param name="Destination">Destination Storage</param>
/// <param name="Sum">Amount to be transferred</param>
/// <returns>true if there are enough coins in the source</returns>
public static bool TransferMoney(CoinAcceptor Source, CoinAcceptor Destination, int Sum)
{
var Enough = Source.IsCoinsEnough(Sum);
if (Enough)
{
Destination.Push(Source.Get(Sum));
}
return(Enough);
}