class RelativeMemoToOpenSourceProject < ActiveRecord::Base
  # attr_accessible :title, :body
  belongs_to :open_source_project, :foreign_key => "osp_id"
  belongs_to :topic, :class_name => 'RelativeMemo', :foreign_key => 'relative_memo_id'
  
  has_many :no_uses, :as => :no_use, :dependent => :delete_all

  validates_presence_of :osp_id, :relative_memo_id

  scope :no_use_for, lambda { |user_id|
    {:include => :no_uses,
     :conditions => ["#{NoUse.table_name}.user_id = ?", user_id] }
  }
end