private List <KeyValuePair <object, double> > GetAverageTotalData()
{
var output = new List <KeyValuePair <object, double> >();
DateTime sd = new DateTime(2000, 01, 01);
for (int i = 0; i < 12; i++)
{
var sum = Analyser.AverageTotal(SelectedInvoices.Where(x => x.Date.Month == sd.Month).ToArray());
output.Add(new KeyValuePair <object, double>(sd.ToString("MMM"), (double)sum));
sd = sd.AddMonths(1);
}
return(output);
}
private List <KeyValuePair <object, double> > GetTipsData()
{
var output = new List <KeyValuePair <object, double> >();
DateTime sd = new DateTime(2000, 01, 01);
for (int i = 0; i < 12; i++)
{
var sum = SelectedInvoices.Where(x => x.Date.Month == sd.Month).Sum(y => y.Tips);
output.Add(new KeyValuePair <object, double>(sd.ToString("MMM"), (double)sum));
sd = sd.AddMonths(1);
}
return(output);
}