private void SubscribeChannelsForSymbol(ComboBox CBox, bool Subscribe)
{
// Note: it is benign to Subscribe and already Subscribed symbol
string Symbol = CBox.Text;
if (string.IsNullOrEmpty(Symbol))
{
return;
}
string ClusterName = CBox.Tag as string;
PGClusterBase Cluster = PGApi.GetPGCluster(ClusterName);
if (Cluster == null)
{
throw new Exception($"Unknown ClusterName: {ClusterName}");
}
// check for PGApi Cluster ready
if (!Cluster.PGStatus.PGLogonSucceeded)
{
AppendText($"{ClusterName} has not been started (use the Start button)");
}
if (Subscribe)
{
Cluster.SubscribeSymbol(Symbol);
}
else
{
Cluster.UnSubscribeSymbol(Symbol);
}
}
private void OnClusterComboBoxKeyDown(object sender, KeyEventArgs e)
{
if (e.Key == Key.Enter)
{
ComboBox CBox = (sender as ComboBox);
string ClusterName = CBox.Tag as string;
string Symbol = CBox.Text;
if (!string.IsNullOrEmpty(Symbol))
{
List <string> SymbolsList = CBox.ItemsSource as List <string>;
// is Symbol already there?
if (SymbolsList.Contains(Symbol))
{
PGClusterBase Cluster = PGApi.GetCluster(ClusterName);
bool IsSubscribed = Cluster.IsSymbolSubscribed(Symbol);
// Subscribe on Enter
if (!IsSubscribed)
{
SubscribeChannelsForSymbol(CBox, true);
}
}
else if (!string.IsNullOrEmpty(Symbol))
{
// add a new Symbol
SymbolsList.Add(Symbol);
SymbolsList.Sort();
SubscribeChannelsForSymbol(CBox, true);
}
e.Handled = true;
}
}
}
public void AddToPGClusters(PGClusterBase PGCluster)
{
if (!PGClusters.Contains(PGCluster))
{
PGClusters.Add(PGCluster);
}
}
private void StartCluster(PGClusterBase Cluster)
{
if (!Cluster.PGStatus.PGLogonSucceeded)
{
AppendText($"Starting...{Cluster.ClusterName}");
Cluster.Start();
}
}
public void StartPGCluster(string ClusterName)
{
PGClusterBase PGCluster = GetPGCluster(ClusterName);
if (PGCluster != null)
{
PGCluster.Start();
}
}
private void OnRTDataRowMouseDoubleClick(string ClusterName, string Symbol)
{
PGClusterBase Cluster = PGApi.GetCluster(ClusterName);
bool IsSubscribed = Cluster.IsSymbolSubscribed(Symbol);
// UnSubscribe on RTDataRow DoubleClick
if (IsSubscribed)
{
Cluster.UnSubscribeSymbol(Symbol);
}
}
private void HandleInvalidSymbol(RTDataRec rtDataRec)
{
AppendText($"{rtDataRec.Symbol} is an invalid symbol", true);
PGClusterBase Cluster = PGApi.GetPGCluster(rtDataRec.ClusterName);
if (Cluster == null)
{
throw new Exception($"Unknown ClusterName: {rtDataRec.ClusterName}");
}
Cluster.RemoveSymbol(rtDataRec.Symbol);
RTDataHelper.Instance.RemoveRTData(rtDataRec);
}
private void OnClusterComboBoxDropDownClosed(object sender, EventArgs e)
{
ComboBox CBox = (sender as ComboBox);
string ClusterName = CBox.Tag as string;
string Symbol = CBox.Text;
if (!string.IsNullOrEmpty(Symbol))
{
PGClusterBase Cluster = PGApi.GetCluster(ClusterName);
bool IsSubscribed = Cluster.IsSymbolSubscribed(Symbol);
if (IsSubscribed)
{
return;
}
SubscribeChannelsForSymbol((sender as ComboBox), true);
}
}
private string SubscribeClusterSymbolChannels(PGClusterBase Cluster, List <string> Symbols, List <string> Channels)
{
// format Params by adding Channel.Symbol for each Symbol
string Params = string.Empty;
foreach (var Symbol in Symbols)
{
Params = string.Empty;
foreach (var Channel in Channels)
{
Params += $"{Channel}.{Symbol},";
}
AppendText($"Subscribing to {Params}");
Cluster.SendSubscribeMessage(Params);
}
return(Params.TrimEnd(','));
}
public PGClusterBase GetCluster(string ClusterName)
{
PGClusterBase Cluster = null;
switch (ClusterName)
{
case PGClusterNames.Equities:
Cluster = Equities;
break;
case PGClusterNames.Forex:
Cluster = Forex;
break;
case PGClusterNames.Crypto:
Cluster = Crypto;
break;
default:
throw new Exception($"Unknown ClusterName: {ClusterName}");
}
return(Cluster);
}
internal void InitRTClusterData(PGClusterBase Cluster)
{
this.Cluster = Cluster;
ClusterNameTextBlock.Text = ClusterName = Cluster.ClusterName;
}
private void RequestLast(RTDataRec rtDataRec)
{
AppendText($"Request Last for {rtDataRec.Symbol}");
switch (rtDataRec.ClusterName)
{
case PGClusterNames.Equities:
LastTrade lastTrade = PGApi.Equities.RequestLastTrade(rtDataRec.Symbol);
if (lastTrade != null)
{
// check invalid symbol
if (lastTrade.status == PGStatusMessages.NotFound)
{
HandleInvalidSymbol(rtDataRec);
}
else if (lastTrade != null && lastTrade.last != null)
{
rtDataRec.Price = lastTrade.last.price;
rtDataRec.LastSize = lastTrade.last.size;
}
}
LastQuote LastQuote = PGApi.Equities.RequestLastQuote(rtDataRec.Symbol);
if (LastQuote != null)
{
if (LastQuote != null && LastQuote.last != null)
{
rtDataRec.Ask = LastQuote.last.askprice;
rtDataRec.Bid = LastQuote.last.bidprice;
}
}
break;
case PGClusterNames.Forex:
ForexLastQuote ForexLastquote = PGApi.Forex.RequestForexLastQuote(rtDataRec.Symbol);
if (ForexLastquote != null)
{
// check invalid symbol
if (ForexLastquote.status == PGStatusMessages.NotFound)
{
HandleInvalidSymbol(rtDataRec);
}
else if (ForexLastquote != null && ForexLastquote.last != null)
{
rtDataRec.Ask = ForexLastquote.last.ask;
rtDataRec.Bid = ForexLastquote.last.bid;
}
}
break;
case PGClusterNames.Crypto:
CryptoLastTrade CryptoLasttrade = PGApi.Crypto.RequestCryptoLastTrade(rtDataRec.Symbol);
if (CryptoLasttrade != null)
{
// check invalid symbol
if (CryptoLasttrade.status == PGStatusMessages.NotFound)
{
HandleInvalidSymbol(rtDataRec);
}
else if (CryptoLasttrade != null && CryptoLasttrade.last != null)
{
rtDataRec.Price = CryptoLasttrade.last.price;
rtDataRec.CryptoSize = CryptoLasttrade.last.size;
}
}
break;
default:
throw new Exception($"Unknown ClusterName: {rtDataRec.ClusterName}");
}
// get Previous values
PGClusterBase Cluster = PGApi.GetPGCluster(rtDataRec.ClusterName);
if (Cluster != null)
{
Cluster.RequestPreviousClose(rtDataRec.Symbol);
Cluster.RequestDailyOpenClose(rtDataRec.Symbol);
}
}
public PGClusterBase GetPGCluster(string ClusterName)
{
PGClusterBase PGCluster = PGClusters.Find(x => x.ClusterName == ClusterName);
return(PGCluster);
}