private SeriesCollection GenerateData(Region region)
{
TimeSeries timeSeries = JHUDataService.FetchTimeSeriesByRegion(region);
Labels = timeSeries.DateSeries.Select(i => i.ToString()).ToArray();
return(new SeriesCollection()
{
new LineSeries
{
Title = "Active Cases",
Values = timeSeries.StatisticSeries.Select(i => i.ActiveCases).ToArray().AsChartValues(),
},
new LineSeries
{
Title = "Confirmed Cases",
Values = timeSeries.StatisticSeries.Select(i => i.ConfirmedCases).ToArray().AsChartValues(),
},
new LineSeries
{
Title = "Death Cases",
Values = timeSeries.StatisticSeries.Select(i => i.DeathCases).ToArray().AsChartValues(),
},
new LineSeries
{
Title = "Recovered Cases",
Values = timeSeries.StatisticSeries.Select(i => i.RecoveredCases).ToArray().AsChartValues(),
},
});
}
private void btn_Update_Click(object sender, RoutedEventArgs e)
{
if (tbk_LastUpdate.Text != System.DateTime.Today.ToString("M/dd/yyyy"))
{
try
{
JHUDataService.UpdateDatabase();
}
finally
{
dtg_World.ItemsSource = WorldGridsViewModel.GenerateData();
tbk_LastUpdate.Text = System.DateTime.Today.ToString("M/dd/yyyy");
}
}
else
{
MessageBox.Show("Already Up to date");
}
}
/*
* public bool? IsAllItemsSelected
* {
* get
* {
* var selected = _items.Select(item => item.IsSelected).Distinct().ToList();
* return selected.Count == 1 ? selected.Single() : (bool?)null;
* }
* set
* {
* if (value.HasValue)
* {
* SelectAll(value.Value, Items);
* OnPropertyChanged();
* }
* }
* }
*
* private static void SelectAll(bool select, IEnumerable<RegionGridsViewModel> models)
* {
* foreach (var model in models)
* {
* model.IsSelected = select;
* }
* }
*/
public static ObservableCollection <RegionGridsViewModel> GenerateData()
{
CoronaWatchContext context = new CoronaWatchContext();
if (context.ReportDBs.Count() == 0)
{
JHUDataService.UpdateDatabase();
}
List <Region> regions = JHUDataService.FetchDatabase();
ObservableCollection <RegionGridsViewModel> regionGrids = new ObservableCollection <RegionGridsViewModel>();
foreach (Region reg in regions)
{
RegionGridsViewModel regGrid = new RegionGridsViewModel(reg);
regionGrids.Add(regGrid);
}
_lastUpdate = Convert.ToDateTime(context.ReportDBs.OrderByDescending(r => r.Date).FirstOrDefault().Date);
return(regionGrids);
}
