/// <summary>
/// Gets the networth chart.
/// </summary>
/// <returns>The networth graph.</returns>
private LineChartViewModel CreateNetworthChart()
{
var lineChart = new LineChartViewModel();
var points = new List <double>();
double previousValue = 0;
foreach (var trade in this._networkTrades)
{
var value = trade.Price.CalculateValue();
if (trade.IsOutgoing)
{
previousValue -= value;
}
else
{
previousValue += value;
}
if (previousValue < 0)
{
points.Add(0);
}
else
{
points.Add(previousValue);
}
}
lineChart.Add("Networth", points);
return(lineChart);
}
/// <summary>
/// Gets the networth chart.
/// </summary>
/// <returns>The networth graph.</returns>
private LineChartViewModel CreateNetworthChart()
{
var lineChart = new LineChartViewModel();
var points = new List <double>();
if (this._networthTrades.Count() < 2)
{
return(lineChart);
}
double previousValue = 0;
var firstTrade = this._networthTrades.First();
var lastTrade = this._networthTrades.Last();
var days = (lastTrade.Date - firstTrade.Date).TotalDays;
var tradeGroups = this._networthTrades.GroupBy(t => t.Date.Date);
var firstDate = firstTrade.Date.Date;
for (int i = 0; i < days + 1; i++)
{
var group = tradeGroups.FirstOrDefault(g => g.Key.Date == firstDate);
if (group == null)
{
points.Add(previousValue);
firstDate = firstDate.AddDays(1);
continue;
}
var value = group.Select(g => g.Price.CalculateValue()).Sum();
previousValue += value;
if (previousValue < 0)
{
points.Add(0);
}
else
{
points.Add(previousValue);
}
firstDate = firstDate.AddDays(1);
}
lineChart.Add("Networth", points);
return(lineChart);
}