public MenuItemPropertyViewModel(MenuItemProperty model)
{
Model = model;
if (string.IsNullOrEmpty(model.Name))
model.Name = string.Format("[{0}]", Resources.NewProperty);
UpdateMenuItem(model.MenuItemId);
}
public MenuItemProperty AddProperty(string name, decimal price, string defaultCurrency)
{
var prp = new MenuItemProperty {
Name = name, Price = new Price(price, defaultCurrency)
};
Properties.Add(prp);
return(prp);
}
public void UpdateNextProperty(MenuItemProperty current)
{
CurrentProperty = current;
if (CurrentProperty != null && CurrentProperty.Name.ToLower() == "x")
CurrentProperty = null;
NextProperty = MenuItemPropertyGroup.Properties.First();
var selected = _selectedItem.Properties.FirstOrDefault(x => x.Model.PropertyGroupId == MenuItemPropertyGroup.Id);
var selectedPropertyName = selected != null ? selected.Model.Name : "";
if (!string.IsNullOrEmpty(selectedPropertyName))
{
CurrentProperty = MenuItemPropertyGroup.Properties.FirstOrDefault(x => x.Name == selectedPropertyName);
var nProp = MenuItemPropertyGroup.Properties.SkipWhile(x => x.Name != selectedPropertyName).Skip(1).FirstOrDefault();
if (nProp != null) NextProperty = nProp;
}
Name = CurrentProperty != null ? CurrentProperty.Name : MenuItemPropertyGroup.Name;
}
public MenuItemPropertyViewModel(MenuItemProperty model)
{
Model = model;
}
public MenuItemProperty AddProperty(string name, decimal price, string defaultCurrency)
{
var prp = new MenuItemProperty { Name = name, Price = new Price(price, defaultCurrency) };
Properties.Add(prp);
return prp;
}
private void OnPropertySelected(MenuItemProperty obj)
{
var mig = SelectedItemPropertyGroups.FirstOrDefault(propertyGroup => propertyGroup.Properties.Contains(obj));
Debug.Assert(mig != null);
if (_removeModifier)
{
if (mig.ForceValue && SelectedItem.Properties.Count(x => x.Model.PropertyGroupId == mig.Id) < 2)
InteractionService.UserIntraction.GiveFeedback(string.Format(Resources.SelectionRequired_f, mig.Name));
else
SelectedItem.RemoveProperty(mig, obj);
}
else SelectedItem.ToggleProperty(mig, obj);
SelectedTicket.RefreshVisuals();
SelectedTicket.RecalculateTicket();
if (_removeModifier)
OnRemoveModifier("");
RaisePropertyChanged("IsRemoveModifierButtonVisible");
}
public void RemoveProperty(MenuItemPropertyGroup mig, MenuItemProperty menuItemProperty)
{
var p = Model.Properties.Where(x => x.PropertyGroupId == mig.Id && x.Name == menuItemProperty.Name && (x.VatAmount + x.PropertyPrice.Amount) == menuItemProperty.Price.Amount).FirstOrDefault();
if (p != null)
{
Model.Properties.Remove(p);
}
RefreshProperties();
RaisePropertyChanged("Properties");
RaisePropertyChanged("TotalPrice");
RaisePropertyChanged("Quantity");
}
public TicketItemProperty ToggleProperty(MenuItemPropertyGroup group, MenuItemProperty menuItemProperty)
{
var ti = _model.ToggleProperty(group, menuItemProperty);
if (ti != null)
{
RuleExecutor.NotifyEvent(RuleEventNames.ModifierSelected,
new
{
Ticket = AppServices.MainDataContext.SelectedTicket,
TicketItem = Model,
TicketTag = AppServices.MainDataContext.SelectedTicket.Tag,
MenuItemName = _model.MenuItemName,
ModifierGroupName = group.Name,
ModifierName = menuItemProperty.Name,
ModifierPrice = ti.PropertyPrice.Amount + ti.VatAmount,
ModifierQuantity = ti.Quantity,
IsRemoved = !_model.Properties.Contains(ti),
IsPriceAddedToParentPrice = ti.CalculateWithParentPrice,
TotalPropertyCount = Model.Properties.Count,
TotalModifierQuantity = Model.Properties.Where(x => x.PropertyGroupId == group.Id).Sum(x => x.Quantity),
TotalModifierPrice = Model.Properties.Where(x => x.PropertyGroupId == group.Id).Sum(x => x.PropertyPrice.Amount + x.VatAmount)
});
}
RefreshProperties();
RaisePropertyChanged("Properties");
RaisePropertyChanged("TotalPrice");
RaisePropertyChanged("Quantity");
return ti;
}
private TicketItemProperty FindProperty(MenuItemProperty property)
{
return Properties.FirstOrDefault(x => x.Name == property.Name && (x.PropertyPrice.Amount + x.VatAmount) == property.Price.Amount);
}
public TicketItemProperty ToggleProperty(MenuItemPropertyGroup group, MenuItemProperty property)
{
if (property.Name.ToLower() == "x")
{
var groupItems = Properties.Where(x => x.PropertyGroupId == group.Id).ToList();
foreach (var tip in groupItems) Properties.Remove(tip);
if (group.MultipleSelection) Quantity = 1;
return null;
}
var ti = FindProperty(property);
if (ti == null)
{
ti = new TicketItemProperty
{
Name = property.Name,
PropertyPrice = new Price { Amount = property.Price.Amount, CurrencyCode = property.Price.CurrencyCode },
PropertyGroupId = group.Id,
MenuItemId = property.MenuItemId,
CalculateWithParentPrice = group.CalculateWithParentPrice,
PortionName = PortionName,
Quantity = group.MultipleSelection ? 0 : 1
};
if (VatIncluded && VatRate > 0)
{
ti.PropertyPrice.Amount = ti.PropertyPrice.Amount / ((100 + VatRate) / 100);
ti.PropertyPrice.Amount = decimal.Round(ti.PropertyPrice.Amount, 2);
ti.VatAmount = property.Price.Amount - ti.PropertyPrice.Amount;
}
else if (VatRate > 0) ti.VatAmount = (property.Price.Amount * VatRate) / 100;
else ti.VatAmount = 0;
}
if (group.SingleSelection || !string.IsNullOrEmpty(group.GroupTag))
{
var tip = Properties.FirstOrDefault(x => x.PropertyGroupId == group.Id);
if (tip != null)
{
Properties.Insert(Properties.IndexOf(tip), ti);
Properties.Remove(tip);
}
}
else if (group.MultipleSelection)
{
ti.Quantity++;
}
else if (!group.MultipleSelection && Properties.Contains(ti))
{
Properties.Remove(ti);
_lastSelectedProperty = ti;
return ti;
}
if (!Properties.Contains(ti)) Properties.Add(ti);
_lastSelectedProperty = ti;
return ti;
}