/// <summary>
/// Get Chart object by account, instrument and timeframe (single chart)
/// </summary>
/// <param name="accountID"></param>
/// <param name="insID"></param>
/// <param name="tf"></param>
/// <returns></returns>
public CommonData.Chart GetChart(int accountID, int insID, Timeframes tf)
{
return(null); //?????????????????????
DbChart chart = null;
using (var db = new DaContext(_options))
{
chart = db.Chart.FirstOrDefault(r => r.AccountID == accountID && r.InsID == insID && r.Tf == (byte)tf);
if (chart == null)
{
return(null);
}
}
var xd = new XDocument();
if (!string.IsNullOrEmpty(chart.Data))
{
xd = XDocument.Parse(chart.Data);
}
return(new CommonData.Chart()
{
ChartID = chart.ChartID,
InsID = chart.InsID,
Tf = (Timeframes)chart.Tf,
AccountID = chart.AccountID,
XmlData = xd
});
}
/// <summary>
/// Get Chart object by Id
/// </summary>
/// <param name="chartId"></param>
/// <returns></returns>
public CommonData.Chart GetChartByID(int chartId)
{
DbChart chart = null;
using (var db = new DaContext(_options))
{
chart = db.Chart.Find(chartId);
if (chart == null)
{
return(null);
}
}
var xd = new XDocument();
if (!string.IsNullOrEmpty(chart.Data))
{
xd = XDocument.Parse(chart.Data);
}
return(new CommonData.Chart()
{
ChartID = chart.ChartID,
InsID = chart.InsID,
Tf = (Timeframes)chart.Tf,
AccountID = chart.AccountID,
XmlData = xd
});
}
/// <summary>
/// Create new chart
/// </summary>
/// <param name="accountID">Account Id</param>
/// <param name="insID">Instrum Id</param>
/// <param name="tf">Timeframe</param>
/// <param name="xData">Chart data</param>
/// <returns></returns>
public int CreateChart(int accountID, int insID, Timeframes tf, XDocument xData)
{
DbChart db_chart = new DbChart()
{
ChartID = 0,
InsID = insID,
Tf = (byte)tf,
AccountID = accountID,
Data = xData.ToString()
};
using (var db = new DaContext(_options))
{
db.Chart.Add(db_chart);
db.SaveChanges();
}
return(db_chart.ChartID);
}
// Constructor public ChartJsRenderer(DbChart chart) => Chart = chart;
