module JamRuby
  class Genre < ActiveRecord::Base

    self.primary_key = 'id'

    # bands
    has_many :band_genres, class_name: "JamRuby::BandGenre"
    has_many :bands, class_name: "JamRuby::Band", :through => :band_genres

    # genres
    has_and_belongs_to_many :recordings, :class_name => "JamRuby::Recording", :join_table => "recordings_genres"

    # music sessions
    has_and_belongs_to_many :music_sessions, :class_name => "JamRuby::MusicSession", :join_table => "genres_music_sessions"

    def to_s
      description
    end
  end
end