public ShoppingCart CompareShoppingCart(long storeId, ShoppingCart oldShoppingCart)
{
ShoppingCart newShoppingCart = new ShoppingCart(storeId);
List<Item> items = GetItemsByStoreId(storeId);
foreach (var item in oldShoppingCart.Items)
{
if (item.Key.Type == "1")
{
var tempList = items.Where(newItem => newItem.Code == item.Key.Code).ToList();
if ((tempList != null) && (tempList.Count == 1))
{
newShoppingCart.AddItem(tempList[0], item.Value);
}
}
else
{
var tempList = items.Where(newItem => newItem.Name == item.Key.Name).ToList();
if ((tempList != null) && (tempList.Count == 1))
{
newShoppingCart.AddItem(tempList[0], item.Value);
}
}
}
return newShoppingCart;
}
public ShoppingCart GetUserShoppingCart(User user)
{
ShoppingCart shoppingCart = new ShoppingCart(-1);
string[] lines = File.ReadAllLines(user.FileName);
if(lines != null)
{
foreach(string line in lines)
{
string[] itemDetails = line.Split(',');
Item item = new Item();
int amount = int.Parse(itemDetails[0]);
item.Id = long.Parse(itemDetails[1]);
item.Name = itemDetails[2];
item.Price = itemDetails[3];
item.Quantity = itemDetails[4];
item.UnitOfMeasure = itemDetails[5];
item.Code = itemDetails[6];
item.Type = itemDetails[7];
item.StoreId = long.Parse(itemDetails[8]);
shoppingCart.AddItem(item, amount);
}
return shoppingCart;
}
return null;
}