public ProductViewModel(string uid) : base()
{
product = DataBase.GetProduct <AppItem>("Items", uid);
toppings = new ObservableCollection <AppItem>();
selectedToppings = new ObservableCollection <AppItem>();
width = App.screenWidth / 4;
height = App.screenHeight;
amount = 1;
AddToCart = new Command(() =>
{
CartItem item = new CartItem(this.product, this.selectedToppings, amount);
var check = DataBase.GetProduct <CartItem>("Cart", this.product.uid);
if (check == null)
{
DataBase.WriteItem <CartItem>("Cart", item);
}
else
{
if ((check.Item == this.product && check.Toppings == this.selectedToppings.GetEnumerator()) || check.Item.uid == item.Item.uid)
{
item.Count += check.Count;
DataBase.UpdateItem <CartItem>("Cart", null, item);
}
else
{
DataBase.WriteItem <CartItem>("Cart", item);
}
}
});
LoadProductCommand = new Command((index) =>
{
product = DataBase.GetProduct <AppItem>("Items", index as string);
if (product.toppings.Count > 1)
{
LoadToppingsComand.Execute(product.toppings);
}
});
LoadToppingsComand = new Command((indecies) =>
{
toppings.Clear();
foreach (var index in indecies as List <string> )
{
var topping = DataBase.GetProduct <AppItem>("Items", index as string);
toppings.Add(topping);
}
});
AddToppingCommand = new Command((item) =>
{
(item as AppItem).Amount = 1;
selectedToppings.Add(item as AppItem);
});
RemoveToppingCommand = new Command((item) =>
{
selectedToppings.Remove(item as AppItem);
});
IncreaseTopping = new Command(() =>
{
Console.WriteLine("1");
});
}
public ProductViewModel()
{
product = new AppItem();
toppings = new ObservableCollection <AppItem>();
selectedToppings = new ObservableCollection <AppItem>();
width = App.screenWidth / 4;
height = App.screenHeight;
amount = 1;
AddToCart = new Command(() =>
{
List <AppItem> toppings = new List <AppItem>();
foreach (var topping in selectedToppings)
{
toppings.Add(topping);
}
CartItem item = new CartItem(this.product, this.selectedToppings, amount);
item.Toppings = new List <AppItem>();
foreach (var topping in this.selectedToppings)
{
item.Toppings.Add(topping);
}
var cart = DataBase.GetAllStream <CartItem>("Cart");
var ie = cart.GetEnumerator();
while (ie.MoveNext())
{
if (ie.Current.Item.uid == this.product.uid && ie.Current.Toppings == toppings)
{
ie.Current.Count++;
DataBase.UpdateItem <CartItem>("Cart", null, ie.Current);
return;
}
}
DataBase.WriteItem <CartItem>("Cart", item);
});
LoadProductCommand = new Command((index) =>
{
if (index == null)
{
return;
}
product = DataBase.GetProduct <AppItem>("Items", index as string);
if (product.toppings.Count > 1)
{
LoadToppingsComand.Execute(product.toppings);
}
});
LoadToppingsComand = new Command((indecies) =>
{
toppings.Clear();
foreach (var index in indecies as List <string> )
{
var topping = DataBase.GetProduct <AppItem>("Items", index as string);
if (topping != null)
{
toppings.Add(topping);
}
}
});
AddToppingCommand = new Command((item) =>
{
(item as AppItem).Amount = 1;
selectedToppings.Add(item as AppItem);
});
RemoveToppingCommand = new Command((item) =>
{
selectedToppings.Remove(item as AppItem);
});
IncreaseTopping = new Command(() =>
{
Console.WriteLine("1");
});
}