class Subject < ActiveRecord::Base
    has_one :page
    scope :newest_first , lambda {order("subjects.created_at DESC")}
    scope :search, lambda{|query|
     where(["name LIKE?","%#{query}%"])

      }
      scope :visible ,lambda{  where(visible: true)  }
      scope :invisible, lambda{  where(visible: false) }
      scope :sorted ,lambda{ where ("subjects.position ASC")}
end