public List <OrderItem> GetItemsForOrders(IEnumerable <Order> orders, int each)
{
var allItems = new List <OrderItem>();
foreach (var order in orders)
{
var items = OrderItems.Generate(each);
foreach (var item in items)
{
item.OrderId = order.OrderId;
}
allItems.AddRange(items);
}
return(allItems);
}