class Image < ActiveRecord::Base
  belongs_to :item, :polymorphic => true
  # belongs_to :auction_item
  # belongs_to :item
  # acts_as_list :scope => :auction_item_id
  # acts_as_list :scope => :item_id
  
  has_attachment  :content_type => :image,
                  :size => 1.kilobyte..10.megabytes,
                  :thumbnails => { :thumb => [100, 100] }

  validates_as_attachment
  
  # file_column :image, :magick => {
  #       :versions => { :thumb => {:crop => "1:1", :size => "150x150!", :name => "thumb"},
  #       :normal => {:size => "400x300>"}
  #       }
  #     }
end