private void OnModelChanged()
{
DateTime startDate;
DateTime endDate;
switch (this.Model.Grouping)
{
case Grouping.Day:
startDate = this.Model.StartDate;
endDate = this.Model.EndDate;
break;
case Grouping.Week:
startDate = this.Model.StartDate.ToStartOfWeek();
endDate = this.Model.EndDate.ToEndOfWeek();
break;
case Grouping.Month:
startDate = this.Model.StartDate.ToStartOfMonth();
endDate = this.Model.EndDate.ToEndOfMonth();
break;
case Grouping.Year:
startDate = this.Model.StartDate.ToStartOfYear();
endDate = this.Model.EndDate.ToEndOfYear();
break;
default:
throw new NotImplementedException();
}
var itemsSource = new List <InvoiceByGroupData>();
var currentDate = startDate;
while (currentDate.Date <= endDate)
{
var data = new InvoiceByGroupData();
data.Start = currentDate;
switch (this.Model.Grouping)
{
case Grouping.Day:
data.Name = currentDate.Date.ToString("M/d");
data.End = currentDate.Date;
currentDate = currentDate.Date.AddDays(1);
break;
case Grouping.Week:
data.Name = currentDate.Date.ToString("M/d");
data.End = currentDate.ToEndOfWeek();
currentDate = currentDate.ToStartOfNextWeek();
break;
case Grouping.Month:
data.Name = currentDate.Date.ToString("M/yyyy");
data.End = currentDate.ToEndOfMonth();
currentDate = currentDate.ToStartOfNextMonth();
break;
case Grouping.Year:
data.Name = currentDate.Date.ToString("yyyy");
data.End = currentDate.ToEndOfYear();
currentDate = currentDate.ToStartOfNextYear();
break;
default:
break;
}
data.Amount = this.Model.FilteredInvoices
.Where(row => row.PreparedDate >= data.Start &&
row.PreparedDate <= data.End)
.Sum(row => row.Amount);
itemsSource.Add(data);
}
this.Chart.Series.Clear();
LineSeries series;
series = new LineSeries();
series.Title = "Invoices";
series.DependentValuePath = "Amount";
series.IndependentValuePath = "Name";
series.ItemsSource = itemsSource;
series.DataPointStyle = (Style)Application.Current.Resources["LineDataPointStyle"];
this.Chart.Title = string.Format("Revenues ({0:N0})", itemsSource.Sum(row => row.Amount));
this.Chart.Series.Add(series);
}
private void OnModelChanged()
{
DateTime startDate;
DateTime endDate;
switch (this.Model.Grouping)
{
case Grouping.Day:
startDate = this.Model.StartDate;
endDate = this.Model.EndDate;
break;
case Grouping.Week:
startDate = this.Model.StartDate.ToStartOfWeek();
endDate = this.Model.EndDate.ToEndOfWeek();
break;
case Grouping.Month:
startDate = this.Model.StartDate.ToStartOfMonth();
endDate = this.Model.EndDate.ToEndOfMonth();
break;
case Grouping.Year:
startDate = this.Model.StartDate.ToStartOfYear();
endDate = this.Model.EndDate.ToEndOfYear();
break;
default:
throw new NotImplementedException();
}
var itemsSource = new List<InvoiceByGroupData>();
var currentDate = startDate;
while (currentDate.Date <= endDate)
{
var data = new InvoiceByGroupData();
data.Start = currentDate;
switch (this.Model.Grouping)
{
case Grouping.Day:
data.Name = currentDate.Date.ToString("M/d");
data.End = currentDate.Date;
currentDate = currentDate.Date.AddDays(1);
break;
case Grouping.Week:
data.Name = currentDate.Date.ToString("M/d");
data.End = currentDate.ToEndOfWeek();
currentDate = currentDate.ToStartOfNextWeek();
break;
case Grouping.Month:
data.Name = currentDate.Date.ToString("M/yyyy");
data.End = currentDate.ToEndOfMonth();
currentDate = currentDate.ToStartOfNextMonth();
break;
case Grouping.Year:
data.Name = currentDate.Date.ToString("yyyy");
data.End = currentDate.ToEndOfYear();
currentDate = currentDate.ToStartOfNextYear();
break;
default:
break;
}
data.Amount = this.Model.FilteredInvoices
.Where(row => row.PreparedDate >= data.Start
&& row.PreparedDate <= data.End)
.Sum(row => row.Amount);
itemsSource.Add(data);
}
this.Chart.Series.Clear();
LineSeries series;
series = new LineSeries();
series.Title = "Invoices";
series.DependentValuePath = "Amount";
series.IndependentValuePath = "Name";
series.ItemsSource = itemsSource;
series.DataPointStyle = (Style)Application.Current.Resources["LineDataPointStyle"];
this.Chart.Title = string.Format("Revenues ({0:N0})", itemsSource.Sum(row => row.Amount));
this.Chart.Series.Add(series);
}