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The following instructions demonstrate how to enable :trackable in a new or existing application.
Confirming existing users is addressed in the migration portion below.
First, add devise :trackable to your models/user.rb file
devise :trackable
models/user.rb
devise :registerable, :trackable
Then, do the migration as:
rails g migration add_trackable_to_devise
Will generate db/migrate/YYYYMMDDxxx_add_trackable_to_devise.rb. Add the following to it in order to do the migration.
class AddTrackableToDevise < ActiveRecord::Migration def up add_column :users, :sign_in_count, :integer, default: 0, null: false add_column :users, :current_sign_in_at, :datetime add_column :users, :last_sign_in_at, :datetime add_column :users, :current_sign_in_ip, :inet add_column :users, :last_sign_in_ip, :inet end def down remove_columns :users, :sign_in_count, :current_sign_in_at, :last_sign_in_at, :current_sign_in_ip, :last_sign_in_ip end end
Do the migration rake db:migrate
rake db:migrate
Restart the server.