public SampleRuleViewModel()
{
m_data = SimpleXamlSerializer.ToXaml(SampleRules.GetOrCreateSampleRule());
CopyCommand = new RelayCommand(() => Clipboard.SetText(Data), () => !string.IsNullOrEmpty(Data));
PasteCommand = new RelayCommand(() => Data = Clipboard.GetText(), Clipboard.ContainsText);
LoadDefaultCommand = new RelayCommand(() => LoadDefault());
ToggleEditModeCommand = new RelayCommand(() => IsInEditMode = !IsInEditMode);
SetEditModeCommand = new RelayCommand <bool>(x => IsInEditMode = x);
ApplyEditTextCommand = new RelayCommand(() => ApplyEditText());
ApplyGraphCommand = new RelayCommand(() => ApplyGraph(), () => IsGraphChanged);
RevertGraphCommand = new RelayCommand(() => Designer = null, () => IsGraphChanged);
SaveCommand = new RelayCommand(() => Save(), () => IsModified);
}
public async Task ProcessOrderAsync()
{
var rule = RuleBuilder.CreateRuleImp(SampleRules.GetOrCreateSampleRule());
if (rule == null)
{
throw new InvalidOperationException("Rule object is not defined.");
}
var context = new OrderDiscountContext(Order.Model);
await context.ExecuteAsync(rule);
Discounts = context.GetOrderDiscounts();
Total = DiscountLogic.GetOrderTotalAmount(Order.Model, Discounts);
LogInfo("Order has been processed successfully.");
}
private void LoadDefault()
{
Data = SimpleXamlSerializer.ToXaml(SampleRules.CreateSampleRule());
LogInfo("Loaded default sample data.");
}
