private string BuildResultOrderMessage(string[] dishesTypesOrderIds, TimeOfDay timeOfDayOrder)
{
MenuItem availableMenuItem = null;
Dish dish = null;
string resultOrder = "";
string errorMessage = "";
var dishesTypesOrderIdsGroup = dishesTypesOrderIds.OrderBy(x => x).GroupBy(x => x);
foreach (var dishTypeOrderIdGroupItem in dishesTypesOrderIdsGroup)
{
DishType?currentDishType = OrderingInputConverter.GetToDishType(dishTypeOrderIdGroupItem.Key);
availableMenuItem = menu.GetMenuItem(timeOfDayOrder, currentDishType.Value);
int dishRepetition = dishTypeOrderIdGroupItem.Count();
if (!IsValidDishType(currentDishType))
{
errorMessage = GetErrorMessage();
break;
}
if (!IsMenuItemAvailable(availableMenuItem))
{
errorMessage = GetErrorMessage();
break;
}
dish = availableMenuItem.Dish;
if (dishRepetition == 1)
{
resultOrder += GetValidMessage(dish.DishTypeTitle);
continue;
}
else
{
if (availableMenuItem.AllowMultipleOrders)
{
resultOrder += GetValidMessage(dish.DishTypeTitle, dishRepetition);
}
else
{
errorMessage = GetErrorMessage();
break;
}
}
}
resultOrder = resultOrder + errorMessage;
resultOrder = resultOrder.Trim().TrimEnd(DISHES_CHAR_SEPARATOR);
return(resultOrder);
}
