gistfile1.cs

return _context.Orders
    .Where(order => orderIds.Contains(order.Id))
    .Apply(FilterByDates, filterParameters)
    .ToPagedResults(paginationOptions, DefaultOrderByColumn);
    
return FilterByDates(
    _context.Orders.Where(order => orderIds.Contains(order.Id)),
    filterParameters)
    .ToPagedResults(paginationOptions, DefaultOrderByColumn);
    
    
// ...
private IQueryable<Order> FilterByDates(IQueryable<Order> orders, OrdersListFilterParameters filterParameters)
{
    return orders;
}