public override List <Order> ProcessRecords(List <Record> records)
{
Dictionary <int, Order> ordersMap = new Dictionary <int, Order>();
MenuItemDAO menuItemDAO = new MenuItemDAO();
foreach (Record record in records)
{
int orderId = (int)record["OrderId"];
if (!ordersMap.ContainsKey(orderId))
{
Order order = ProcessRecord(record);
// 'ProcessRecords' is always available, even when it's not overriden.
// In that case, it takes the records and parses them through 'ProcessRecord'
order.MenuItems = menuItemDAO.ProcessRecords(
records
.Where(r => (int)r["OrderId"] == orderId)
.ToList()
);
ordersMap[orderId] = order;
}
}
return(ordersMap.Values.ToList());
}
public override List <Menu> ProcessRecords(List <Record> records)
{
Dictionary <int, Menu> menuMap = new Dictionary <int, Menu>();
MenuItemDAO menuItemDAO = new MenuItemDAO();
foreach (Record record in records)
{
int menuId = (int)record["MenuId"];
// Check whether or not menu has been processed yet
if (!menuMap.ContainsKey(menuId))
{
Menu menu = ProcessRecord(record);
if (record["MenuItemId"] == DBNull.Value)
{
menu.Items = new List <MenuItem>();
}
else
{
// Because 'ProcessRecords' is public, we can ask other DAO's to process certain records for us
menu.Items = menuItemDAO.ProcessRecords(
// We only want to process the records that apply to the current menu, so we filter out any that don't
// match the current menu id
records
.Where(r => (int)r["MenuId"] == menuId)
.ToList()
);
}
menuMap[menuId] = menu;
}
}
return(menuMap.Values.ToList());
}
