module Chouette
  class GroupOfLine < Chouette::ActiveRecord
    has_metadata
    include ObjectidSupport
    include GroupOfLineRestrictions
    include LineReferentialSupport


    has_and_belongs_to_many :lines, :class_name => 'Chouette::Line', :order => 'lines.name'

    validates_presence_of :name

    attr_reader :line_tokens

    def self.nullable_attributes
      [:comment]
    end

    def commercial_stop_areas
      Chouette::StopArea.joins(:children => [:stop_points => [:route => [:line => :group_of_lines] ] ]).where(:group_of_lines => {:id => self.id}).uniq
    end

    def stop_areas
      Chouette::StopArea.joins(:stop_points => [:route => [:line => :group_of_lines] ]).where(:group_of_lines => {:id => self.id})
    end

    def line_tokens=(ids)
      self.line_ids = ids.split(",")
    end

  end
end