private static void Display(SymbolStatisticsEventArgs args)
{
lock (_sync)
{
_statistics[args.Statistics[0].Symbol] = args.Statistics[0];
if (_displayTask.IsCompleted)
{
// Delay to allow multiple data updates between display updates.
_displayTask = Task.Delay(250)
.ContinueWith(_ =>
{
SymbolStatistics[] latestStatistics;
lock (_sync)
{
latestStatistics = _statistics.Values.ToArray();
}
Console.SetCursorPosition(0, 0);
foreach (var stats in latestStatistics)
{
Console.WriteLine($" 24-hour statistics for {stats.Symbol}:".PadRight(119));
Console.WriteLine($" %: {stats.PriceChangePercent:0.00} | O: {stats.OpenPrice:0.00000000} | H: {stats.HighPrice:0.00000000} | L: {stats.LowPrice:0.00000000} | V: {stats.Volume:0.}".PadRight(119));
Console.WriteLine($" Bid: {stats.BidPrice:0.00000000} | Last: {stats.LastPrice:0.00000000} | Ask: {stats.AskPrice:0.00000000} | Avg: {stats.WeightedAveragePrice:0.00000000}".PadRight(119));
Console.WriteLine();
}
Console.WriteLine(_message.PadRight(119));
});
}
}
}
private void OnStatisticsUpdate(SymbolStatisticsEventArgs e)
{
var statistics = e.Statistics;
var immutableStatistics = _cache.GetSymbolStatistics();
var immutablePrices = _cache.GetSymbolPrices();
if (immutableStatistics != null)
{
var mutableStatistics = immutableStatistics.ToBuilder();
foreach (var statistic in statistics)
{
mutableStatistics[statistic.Symbol] = statistic;
}
_cache.SetSymbolStatistics(mutableStatistics.ToImmutable());
}
if (immutablePrices != null)
{
var mutablePrice = immutablePrices.ToBuilder();
foreach (var statistic in statistics)
{
mutablePrice[statistic.Symbol] = statistic.LastPrice;
}
_cache.SetSymbolPrices(mutablePrice.ToImmutable());
}
}
// ReSharper disable once UnusedMember.Local private static void Display(SymbolStatisticsEventArgs args) => Display(args.Statistics);
