class Photo < ActiveRecord::Base
  attr_accessible :album_id, :description, :photo

  belongs_to :album
  has_many :comments, :as => :commentable

  has_attached_file :photo, :styles => { :big => "683x512", :medium => "120x120#", :thumb => "50x50#" },
                    :url => "/assets/photos/:id/:style/:basename.:extension",
                    :path => ":rails_root/public/assets/photos/:id/:style/:basename.:extension"

  validates_attachment_size :photo, :less_than => 2.megabytes
  validates_attachment_content_type :photo, :content_type => [ 'image/jpeg', 'image/gif', 'image/png' ]
end