gistfile1.rb

    # To try and fix the sort order, switching to an integer instead of time.
    integer :listed_at do |item|
      original_listed_at_time = nil
      
      original_item = item.original_item if item.original_item_id.present? && item.payout_policy == "upfront"

      if original_item && original_item.created_at < Time.parse("April 1 2014")
        original_listed_at_time = original_item.listed_at
      end

      (original_listed_at_time || item.sorting_from || item.listed_at || item.created_at).to_i
    end