private async Task <List <INotification> > ProcessNotifications(CancelTradeItemResponse response)
{
var results = new List <INotification>();
if (!response.CanceledOrders.IsNullOrEmpty())
{
foreach (var canceledOrder in response.CanceledOrders)
{
results.Add(new NotificationModel
{
Type = NotificationLevelType.Info,
Header = $"Canceled Order",
Notification = $"Canceled {canceledOrder.Type} Order #{canceledOrder.Id}, {canceledOrder.Remaining:F8} @ {canceledOrder.Rate:F8}",
UserId = canceledOrder.UserId
});
}
using (var context = DataContextFactory.CreateContext())
{
if (!results.IsNullOrEmpty())
{
foreach (var notification in results)
{
context.Notifications.Add(new Entity.UserNotification
{
Title = notification.Header,
Notification = notification.Notification,
Type = notification.Type.ToString(),
UserId = notification.UserId.ToString(),
Timestamp = DateTime.UtcNow
});
}
}
await context.SaveChangesAsync().ConfigureAwait(false);
}
}
return(results);
}
private async Task <List <ITradeDataUpdate> > ProcessDataUpdates(CancelTradeItemResponse response)
{
var cacheUsers = new HashSet <Guid>();
var cacheTradePairs = new HashSet <int>();
var results = new List <ITradeDataUpdate>();
if (!response.CanceledOrders.IsNullOrEmpty())
{
foreach (var order in response.CanceledOrders)
{
results.Add(new TradeOrderBookUpdate
{
Amount = order.Amount,
Rate = order.Rate,
Total = order.Amount * order.Rate,
Type = order.Type,
TradePairId = order.TradePairId,
Action = TradeUpdateAction.Cancel
});
results.Add(new TradeOpenOrderUpdate
{
OrderId = order.Id,
UserId = order.UserId,
Amount = order.Amount,
Rate = order.Rate,
Total = order.Amount * order.Rate,
Type = order.Type,
TradePairId = order.TradePairId,
Remaining = order.Remaining,
Status = order.Status,
Action = TradeUpdateAction.Cancel
});
cacheUsers.Add(order.UserId);
cacheTradePairs.Add(order.TradePairId);
}
}
// Clear caches
if (cacheTradePairs.Any())
{
foreach (var tradepair in cacheTradePairs)
{
await ClearCache(tradepair);
if (cacheUsers.Any())
{
foreach (var user in cacheUsers)
{
await ClearCache(tradepair, user);
results.Add(new TradeBalanceUpdate
{
TradePairId = tradepair,
UserId = user
});
}
}
}
}
return(results);
}
