Initializer to enable Hashids in a Rails app

hashids.rb

module HashidsSupport
  extend ActiveSupport::Concern

  class_methods do
    def hashids
      Hashids.new(table_name, 6)
    end

    def encode_id(id)
      hashids.encode(id)
    end

    def decode_id(id)
      hashids.decode(id).first
    end

    def hashid_find(hashid)
      find(decode_id(hashid))
    end
  end

  def encoded_id
    self.class.encode_id(id)
  end

  def to_param
    encoded_id
  end
end

ActiveRecord::Base.send :include, HashidsSupport