/// <summary>
/// The method to calculate profit or loss.
/// </summary>
/// <param name="userId">The User id.</param>
/// <returns>The profi or loss object.</returns>
public ProfitOrLoss GetProfitOrLoss(short userId)
{
try
{
buyingTransactionRep = new BuyingTransactionRepository();
Domain.Layer.Transactions.BuyingTransaction buyingTransaction = buyingTransactionRep.GetLastBuyingTransaction(userId);
if (buyingTransaction != null)
{
productRep = new ProductRepository();
//Hard coded the product since we have only oone product with ID as 1 now.
if (CurrentGoldPricePerGram.Instance.currentGoldPricePerGram == null)
{
CurrentGoldPricePerGram.Instance.currentGoldPricePerGram = productRep.GetProduct(buyingTransaction.ProductId).PricePerGram;
}
sellingTransaction = new SellingTransaction();
return(sellingTransaction.GetProfitOrLoss(buyingTransaction));
}
else
{
return(null);
}
}
catch (Exception ex)
{
return(null);
}
}
/// <summary>
/// The method to get last buying transaction.
/// </summary>
/// <returns>The buying transaction domain object.</returns>
public Domain.Layer.Transactions.BuyingTransaction GetLastBuyingTransaction(short userId)
{
return(buyingTransactionRep.GetLastBuyingTransaction(userId));
}
