dups.rb

orders = Order.joins(:order_state_transitions).where("order_state_transitions.to = 'charged'").order('id DESC').limit(50000).includes(:linked_orders).to_a; nil
bad_orders = orders.find_all{ |order| order.linked_orders.length > 1 && order.linked_orders.find_all{ |o| o.order_classification == 0 && o.state == 'start_order'}.length > 1}; nil
dup_orders = multi_followon_orders.map(&:linked_orders).map{ |linked_orders| linked_orders - linked_orders.uniq_by{ |o| "#{o.kid.try(:id)}#{o.user_selected_ship_date.to_s}#{o.line_items.map(&:variant_id).join}"} }; nil