public static void SeedCloses(string symbol)
{
var chartEntry = new TDAChart.Chart_Content();
closes.Clear();
/// Read the last 25 chart entries from CHART_EQUITY Inputs
var files = FilesManager.GetChartEntries(symbol, 25);
foreach (var file in files)
{
var svcJsonObject = JObject.Parse(file);
var svcName = svcJsonObject["service"].ToString();
var contents = svcJsonObject["content"];
var timeStamp = Convert.ToInt64(svcJsonObject["timestamp"]);
foreach (var contentObj in contents)
{
var content = contentObj.ToString();
//var symbolId = contentObj["key"].ToString();
chartEntry = JsonSerializer.Deserialize <TDAChart.Chart_Content>(content);
if (chartEntry.close > 0)
{
closes.Add(chartEntry.close);
}
}
}
if (TDAChart.lastCandle == null)
{
TDAChart.lastCandle = chartEntry;
}
}
public async Task <TDAChart.Chart_Content> GetTDAChartLastCandle(int input)
{
string serverUrl = Configuration["ServerUrl"];
controllerUrl = $"{serverUrl}api/Charts/";
await Task.Yield();
var json = await Http.GetStringAsync(controllerUrl + input.ToString());
var chartEntry = new TDAChart.Chart_Content();
try
{
chartEntry = JsonSerializer.Deserialize <TDAChart.Chart_Content>(json);
}
catch (System.Exception ex)
{
throw new System.Exception($"Check that tapeStream Server {controllerUrl} is running.", ex);
}
return(chartEntry);
}
private static void Chart_AddCandlePlotBands(Dictionary <string, BookDataItem[]> bookDataItems, TDAChart.Chart_Content chartEntry, string[] categories)
{
var open = categories.ToList().IndexOf(chartEntry.open.ToString("n2"));
var close = categories.ToList().IndexOf(chartEntry.close.ToString("n2"));
var low = categories.ToList().IndexOf(chartEntry.low.ToString("n2"));
var high = categories.ToList().IndexOf(chartEntry.high.ToString("n2"));
var highBidPrice = bookDataItems["bids"][0].Price;
var lowAskPrice = bookDataItems["asks"][0].Price;
var highBid = categories.ToList().IndexOf(highBidPrice.ToString("n2"));
var lowAsk = categories.ToList().IndexOf(lowAskPrice.ToString("n2"));
var mark = ((highBidPrice + lowAskPrice) / 2).ToString("n2");
//Surface3dManager.chart.xAxis.plotBands = new Surface.Plotband[]
//{
//};
/// Candle body
if (chartEntry.open < chartEntry.close) // green bar
{
Surface3dManager.chart.xAxis.plotBands = new Surface.Plotband[]
{
new Surface.Plotband()
{
from = (decimal)close,
to = (decimal)open,
color = "#3CDD71"
},
new Surface.Plotband()
{
from = (decimal)low,
to = (decimal)open,
color = "MEDIUMSEAGREEN"
},
new Surface.Plotband()
{
from = (decimal)close,
to = (decimal)high,
color = "MEDIUMSEAGREEN"
},
new Surface.Plotband()
{
from = highBid,
to = lowAsk,
color = "#0",
label = new Label()
{
text = $"{mark}",
y = -10
}
}
}
}
;
else
{
Surface3dManager.chart.xAxis.plotBands = new Surface.Plotband[]
{
new Surface.Plotband()
{
from = (decimal)open,
to = (decimal)close,
color = "#99143C"
},
new Surface.Plotband()
{
from = (decimal)low,
to = (decimal)close,
color = "#995C5C"
},
new Surface.Plotband()
{
from = (decimal)open,
to = (decimal)high,
color = "#995C5C"
},
new Surface.Plotband()
{
from = highBid,
to = lowAsk,
color = "#0",
label = new Label()
{
text = $"{mark}",
},
}
};
}
//Surface3dManager.chart.Surface3dManager.chart.annotations[0].labels[0].text = mark.ToString();
//Surface3dManager.chart.Surface3dManager.chart.annotations[0].labels[0].x = highBid;
//Surface3dManager.chart.Surface3dManager.chart.annotations[0].labels[0].y = 0;
}
private static void Chart_AddCandlePlotBands(Dictionary <string, BookDataItem[]> bookDataItems, TDAChart.Chart_Content chartEntry, string[] categories)
{
var highBidPrice = bookDataItems["bids"][0].Price;
var lowAskPrice = bookDataItems["asks"][0].Price;
var highBid = categories.ToList().IndexOf(highBidPrice.ToString("n2"));
var lowAsk = categories.ToList().IndexOf(lowAskPrice.ToString("n2"));
//chart.xAxis.plotBands = new Plotband[]
var open = categories.ToList().IndexOf(chartEntry.open.ToString("n2"));
var close = categories.ToList().IndexOf(chartEntry.close.ToString("n2"));
var low = categories.ToList().IndexOf(chartEntry.low.ToString("n2"));
var high = categories.ToList().IndexOf(chartEntry.high.ToString("n2"));
//{
//};
/// Candle body
if (chartEntry.open < chartEntry.close) // green bar
{
chart.xAxis.plotBands = new Plotband[]
{
new Plotband()
{
from = (decimal)close,
to = (decimal)open,
color = "limegreen"
},
new Plotband()
{
from = (decimal)low,
to = (decimal)open,
color = "MEDIUMSEAGREEN"
},
new Plotband()
{
from = (decimal)close,
to = (decimal)high,
color = "MEDIUMSEAGREEN"
},
new Plotband()
{
from = highBid,
to = lowAsk,
color = "#888888",
label = new Label()
{
text = ((highBidPrice + lowAskPrice) / 2).ToString("n2")
}
}
}
}
;
else
{
chart.xAxis.plotBands = new Plotband[]
{
new Plotband()
{
from = (decimal)open,
to = (decimal)close,
color = "red"
},
new Plotband()
{
from = (decimal)low,
to = (decimal)close,
color = "indianred"
},
new Plotband()
{
from = (decimal)open,
to = (decimal)high,
color = "indianred"
},
new Plotband()
{
from = highBid,
to = lowAsk,
color = "#888888",
label = new Label()
{
text = ((highBidPrice + lowAskPrice) / 2).ToString("n2")
}
}
};
}
}
