public async Task <bool> DeleteShoppingListAsync(string id)
{
var oldItem = ShoopingLists.Where((ShoppingList arg) => arg.Id == id).FirstOrDefault();
ShoopingLists.Remove(oldItem);
return(await Task.FromResult(true));
}
public async Task <bool> UpdateShoppingListAsync(ShoppingList shoppingList)
{
var oldItem = ShoopingLists.Where((ShoppingList arg) => arg.Id == shoppingList.Id).FirstOrDefault();
ShoopingLists.Remove(oldItem);
ShoopingLists.Add(shoppingList);
return(await Task.FromResult(true));
}
public async Task <bool> AddShoppingListAsync(ShoppingList shoppingList)
{
ShoopingLists.Add(shoppingList);
ShoppingListsChanged = true;
return(await Task.FromResult(true));
}
