/// <summary>
/// Sell commodoty method
/// Checks:
/// if trade is profatble
/// credits the profit back in wallet
/// </summary>
/// <param name="sellingCommodity"></param>
public void Sell(ICommodity sellingCommodity)
{
if (!TxProfitValidator.IsValid())
{
throw new Exception("The trade is not profitable");
}
using (var myWallet = new GoldWallet(WalletService.FetchBalance(), new GoldTaxLoad()))
{
using (var ts = new TransactionScope())
{
TxCommodity.Quantity -= TxTrade.TradeQuantity;
myWallet.Credit(TxTrade.GetTradeCost() - (GoldTaxLoad.GoldBuyTransactionCharges * sellingCommodity.Quantity));
}
}
}
/// <summary>
/// Buy commodity
/// Checks:
/// if wallet has balance
/// add tx in ledger
/// </summary>
public void Buy()
{
if (!TxTradeValidator.IsValid())
{
return;
}
using (var myWallet = new GoldWallet(WalletService.FetchBalance(), new GoldTaxLoad()))
{
using (var ts = new TransactionScope())
{
myWallet.Debit(TxTrade.GetTradeCost());
WalletService.WalletBalance = myWallet.GetBalance();
TxCommodity = new GoldCommodity(TxTrade.TradePrice, TxCommodity.Quantity + TxTrade.TradeQuantity);
TransactionLedgerService.MasterLedger.HistoryTransactions.Add(TxCommodity);
}
}
}
