/// <summary>Set the total balance attributed to the fund 'fund_id'</summary>
public void AssignFundBalance(Fund fund, Unit <decimal> total, bool notify = true)
{
// Notes:
// - Don't throw if the nett total becomes negative, that probably just means a fund
// has been assigned too much. Allow the user to reduce the allocations.
// Get the balance info for 'fund_id', create if necessary
var balance = (Balance)Funds.FirstOrDefault(x => x.Fund == fund) ?? m_funds.Add2(new Balance(this, fund));
balance.Total = total;
// The main fund changes with each update. Other funds don't.
// Notify *after* 'LastUpdated' and 'CheckHolds' have been set
if (notify)
{
Invalidate();
}
}
/// <summary>Add or subtract an amount from a fund</summary>
public void ChangeFundBalance(Fund fund, Unit <decimal> change_amount, bool notify = true)
{
// Get the balance info for 'fund_id', create if necessary
var balance = (Balance)Funds.FirstOrDefault(x => x.Fund == fund); // ?? m_funds.Add2(new Balance(this, fund));
if (balance == null)
{
return;
}
// Apply the balance change to the total
balance.Total += change_amount;
// Changing the total for a fund effects the balance of the main fund.
if (notify)
{
Invalidate();
}
}
/// <summary>Access balances associated with the given fund. Unknown fund ids return an empty balance</summary> public IBalance this[Fund fund] => Funds.FirstOrDefault(x => x.Fund == fund) ?? new Balance(this, fund);
