Parameters: {"commit"=>"Purchase", "action"=>"create", "order"=>{"store"=>{"62-Junction"=>{"credits"=>"5"}, "126-90-Minutes"=>{"credits"=>"6"}}}, "controller"=>"orders"}


  def self.new_orders(params)
    params.map{|p| Order.new}
  end

  def self.new_orders(params)
    params.each do |p|
      p.credits
    end
  end