// Load cart from isolated storage.
// Simple deserialization from disk.
private void LoadCartFromIsolatedStorage()
{
var data = IsolatedStoreHelper.LoadData(cartPath);
if (string.IsNullOrEmpty(data))
{
return;
}
string[] tokens = data.Split(';');
ShippingId = int.Parse(tokens[0]);
int count = int.Parse(tokens[1]);
for (int i = 0; i < count; i++)
{
int index = 2 + (i * 4);
CartItems.Add(new CartItem
{
Id = int.Parse(tokens[index + 0]),
Name = tokens[index + 1],
Quantity = int.Parse(tokens[index + 2]),
UnitPrice = double.Parse(tokens[index + 3])
});
}
}
// Saves shopping cart to isolated storage.
// Basically serializes cart to disk.
private void SaveCartToIsolatedStorage()
{
var data = new StringBuilder();
data.Append(ShippingId + ";");
data.Append(CartItems.Count + ";");
foreach (var item in CartItems)
{
data.Append(item.Id + ";");
data.Append(item.Name + ";");
data.Append(item.Quantity + ";");
data.Append(item.UnitPrice + ";");
}
IsolatedStoreHelper.SaveData(data.ToString(), cartPath);
}
