private void Close(IList trades)
{
if (trades == null || trades.Count == 0)
{
return;
}
var closedTrades = new List <Trade>();
foreach (Trade trade in trades)
{
//Already closed or can't close -> skip it
if (!trade.Open)
{
continue;
}
//first load up the collections, needed for the IsClosable() check.
Context.Entry(trade).Collection(x => x.Orders).Load();
Context.Entry(trade).Collection(x => x.CashTransactions).Load();
Context.Entry(trade).Collection(x => x.FXTransactions).Load();
//this needs to be done after loading the orders
if (!trade.IsClosable())
{
continue;
}
trade.Open = false;
closedTrades.Add(trade);
}
//Update the stats of the trades we closed
Task.Run(() =>
{
foreach (Trade trade in closedTrades)
{
//we can skip collection load since it's done a few lines up
TradesRepository.UpdateStats(trade, skipCollectionLoad: true);
}
Context.SaveChanges();
});
}
private void UpdateTradeStats(IList trades)
{
if (trades == null || trades.Count == 0)
{
return;
}
foreach (Trade t in trades)
{
TradesRepository.UpdateStats(t);
}
Context.SaveChanges();
}
private async Task UpdateTradeStats(IList trades)
{
if (trades == null || trades.Count == 0)
{
return;
}
foreach (Trade t in trades)
{
await TradesRepository.UpdateStats(t);
}
await TradesRepository.UpdateTrade(trades : trades.Cast <Trade>());
}
/// <summary>
/// Opens/closes a trade
/// </summary>
public async Task ChangeOpenState(bool newOpenState, Trade trade)
{
if (newOpenState == false && !trade.IsClosable())
{
return;
}
using (var dbContext = _contextFactory.Get())
{
trade.Open = newOpenState;
await TradesRepository.UpdateStats(trade);
await TradesRepository.UpdateTrade(trade);
}
}
private void TradesGrid_CellEditEnding(object sender, DataGridCellEditEndingEventArgs e)
{
if (_tradesGridIsCellEditEnding)
{
return;
}
if ((string)e.Column.Header == "Tags")
{
var trade = (Trade)TradesGrid.SelectedItem;
if (e.EditAction == DataGridEditAction.Commit)
{
//save the new tag configuration
foreach (CheckListItem <Tag> item in TagPickerPopupListBox.Items)
{
if (item.IsChecked && !trade.Tags.Contains(item.Item))
{
trade.Tags.Add(item.Item);
}
else if (!item.IsChecked && trade.Tags.Contains(item.Item))
{
trade.Tags.Remove(item.Item);
}
}
Context.SaveChanges();
trade.TagStringUpdated();
}
TagPickerPopup.IsOpen = false;
}
else if ((string)e.Column.Header == "Open")
{
var trade = (Trade)TradesGrid.SelectedItem;
bool originalOpen = (bool)Context.Entry(trade).OriginalValues["Open"];
bool?newOpen = ((CheckBox)e.EditingElement).IsChecked;
if (newOpen.HasValue && newOpen.Value != originalOpen)
{
//The user has opened or closed the trade,
//so we do a stats update to make sure the numbers are right
//and set the proper closing time
//first load up the collections, needed for the IsClosable() check.
Context.Entry(trade).Collection(x => x.Orders).Load();
Context.Entry(trade).Collection(x => x.CashTransactions).Load();
Context.Entry(trade).Collection(x => x.FXTransactions).Load();
//if we're closing the trade, make sure it's closable first
if (newOpen.Value == false && !trade.IsClosable())
{
e.Cancel = true;
_tradesGridIsCellEditEnding = true;
((DataGrid)sender).CancelEdit(DataGridEditingUnit.Cell);
_tradesGridIsCellEditEnding = false;
return;
}
trade.Open = newOpen.Value;
Task.Run(() =>
{
TradesRepository.UpdateStats(trade, skipCollectionLoad: true); //we can skip collection load since it's done a few lines up
Context.SaveChanges();
});
}
}
}