public SubjectsViewModel()
{
testPreview = new Models.TestPreview();
testPreview.LoadAll();
//tests = App.CreateSomeTestsTemp();
//subjects = App.Subjects;
}
public StatisticsPage(Models.UserStatistics userStatistics)
{
InitializeComponent();
PlotView.HeightRequest = (double)1 / 3 * Application.Current.MainPage.Height;
SolvedTestsLabel.Text = string.Format("{0}", userStatistics.SolvedTests.Count);
TotalPointsLabel.Text = userStatistics.Points.Sum().ToString();
var tests = new Models.TestPreview();
tests.LoadAll();
PlotPoints = userStatistics.Points.Zip(
userStatistics.SolvedTests, (p, id) => (p, id).ToTuple()
).Select(
(tp) => {
var count = tests.TestsToPreview.First((test) => test.Id == tp.Item2).Sum((q) => q.Points.Value);
return((double)tp.Item1 / count);
}
);
}