agenda-libre-ruby/db/migrate/20131114103118_devise_create_admin_users.rb

# Generate tables for active_admin users and associated auth mechanisms
class DeviseCreateAdminUsers < ActiveRecord::Migration
  def migrate(direction)
    super
    # Create a default user
    return unless direction == :up

    AdminUser.create!(email: 'admin@example.com', password: 'password',
                      password_confirmation: 'password')
  end

  # rubocop:disable Metrics/MethodLength
  def change
    create_table(:admin_users) do |t|
      ## Database authenticatable
      t.string :email,              null: false, default: ''
      t.string :encrypted_password, null: false, default: ''

      ## Recoverable
      t.string :reset_password_token
      t.datetime :reset_password_sent_at

      ## Rememberable
      t.datetime :remember_created_at

      ## Trackable
      t.integer :sign_in_count, default: 0, null: false
      t.datetime :current_sign_in_at
      t.datetime :last_sign_in_at
      t.string :current_sign_in_ip
      t.string :last_sign_in_ip

      ## Confirmable
      # t.string   :confirmation_token
      # t.datetime :confirmed_at
      # t.datetime :confirmation_sent_at
      # t.string   :unconfirmed_email # Only if using reconfirmable

      ## Lockable
      # Only if lock strategy is :failed_attempts
      # t.integer  :failed_attempts, :default => 0, :null => false
      # t.string   :unlock_token # Only if unlock strategy is :email or :both
      # t.datetime :locked_at

      t.timestamps
    end

    add_index :admin_users, :email,                unique: true
    add_index :admin_users, :reset_password_token, unique: true
    # add_index :admin_users, :confirmation_token,   :unique => true
    # add_index :admin_users, :unlock_token,         :unique => true
  end
  # rubocop:enable Metrics/MethodLength
end