minnestar / sessionizer

class Category < ActiveRecord::Base

  has_many :categorizations

  has_many :sessions, :through => :categorizations

  def self.find_or_create_defaults

    cnf = YAML.load_file(File.join(Rails.root, 'config', 'categories.yml'))

    cnf.each do |key, val|

      Category.where(id: key).first_or_initialize.update(name: val)

    end

  end

  def i18n_key

    name.gsub(/&/, '').gsub(/\s+/, '_').downcase

  end

end