public ExchangeViewModel(Exchange model, IDataClient client, object parentVm, IDialogCoordinator dialogCoordinator)
: base(model, new ExchangeValidator())
{
var canExecuteSave = this.WhenAnyValue(x => x.HasErrors, x => !x);
Save = ReactiveCommand.CreateFromTask(async _ =>
{
var result = await client.UpdateExchange(Model).ConfigureAwait(true);
await result.DisplayErrors(parentVm, dialogCoordinator).ConfigureAwait(true);
},
canExecuteSave);
var canRemove = this.WhenAnyValue(x => x.SelectedSession).Select(x => x != null);
RemoveSession = ReactiveCommand.Create <SessionViewModel>(viewModel =>
{
Sessions.Remove(viewModel);
Model.Sessions.Remove((ExchangeSession)viewModel.Model);
},
canRemove);
AddSession = ReactiveCommand.Create(() =>
{
var toAdd = new ExchangeSession {
IsSessionEnd = true
};
if (Sessions.Count == 0)
{
toAdd.OpeningDay = DayOfTheWeek.Monday;
toAdd.ClosingDay = DayOfTheWeek.Monday;
}
else
{
DayOfTheWeek maxDay = (DayOfTheWeek)Math.Min(6, Sessions.Max(x => (int)x.OpeningDay) + 1);
toAdd.OpeningDay = maxDay;
toAdd.ClosingDay = maxDay;
}
Sessions.Add(new SessionViewModel(toAdd));
Model.Sessions.Add(toAdd);
});
//populate session collection
if (model.Sessions == null)
{
model.Sessions = new List <ExchangeSession>();
}
foreach (var session in model.Sessions)
{
Sessions.Add(new SessionViewModel(session));
}
}
private void AddSessionBtn_Click(object sender, RoutedEventArgs e)
{
var toAdd = new ExchangeSession();
toAdd.IsSessionEnd = true;
if (TheExchange.Sessions.Count == 0)
{
toAdd.OpeningDay = DayOfTheWeek.Monday;
toAdd.ClosingDay = DayOfTheWeek.Monday;
}
else
{
DayOfTheWeek maxDay = (DayOfTheWeek)Math.Min(6, TheExchange.Sessions.Max(x => (int)x.OpeningDay) + 1);
toAdd.OpeningDay = maxDay;
toAdd.ClosingDay = maxDay;
}
TheExchange.Sessions.Add(toAdd);
SessionsGrid.ItemsSource = null;
SessionsGrid.ItemsSource = TheExchange.Sessions;
}
