/// <summary>
/// Get current purchases for the given security
/// </summary>
/// <returns></returns>
public IEnumerable <SecurityPurchase> GetPurchases(Security security)
{
SecurityFifoQueue queue = null;
if (queues.TryGetValue(security, out queue))
{
foreach (SecurityPurchase p in queue.GetHoldings())
{
yield return(p);
}
}
}
/// <summary>
/// Find the oldest holdings that still have UnitsRemaining, and decrement them by the
/// number of units we are selling. This might have to sell from multiple SecurityPurchases
/// in order to cover the requested number of units. If there are not enough units to cover
/// the sale then we have a problem.
/// </summary>
/// <param name="dateSold">The date of the sale</param>
/// <param name="units">The number of units sold</param>
/// <param name="amount">The total amount we received from the sale</param>
/// <returns></returns>
public IEnumerable <SecuritySale> Sell(Security s, DateTime dateSold, decimal units, decimal amount)
{
SecurityFifoQueue queue;
if (!queues.TryGetValue(s, out queue))
{
queue = new SecurityFifoQueue()
{
Security = s,
Account = this.Account
};
queues[s] = queue;
}
return(queue.Sell(dateSold, units, amount));
}
/// <summary>
/// Record an Add or Buy for a given security.
/// </summary>
///<param name="s">The security we are buying</param>
/// <param name="datePurchased">The date of the purchase</param>
/// <param name="units">THe number of units purchased</param>
/// <param name="costBasis">The cost basis for the purchase (usually what you paid for it including trading fees)</param>
public void Buy(Security s, DateTime datePurchased, decimal units, decimal costBasis)
{
SecurityFifoQueue queue;
if (!queues.TryGetValue(s, out queue))
{
queue = new SecurityFifoQueue()
{
Security = s,
Account = this.Account
};
queues[s] = queue;
}
queue.Buy(datePurchased, units, costBasis);
}
