SuperAccessors

gem 'super_accessors'

$ bundle

$ gem install super_accessors

# app/models/user.rb
class Ticket < ActiveRecord::Base
  split_date_hour_min :depart_datetime, default: lambda { Time.now + 1.day }
  ticket.depart_time_start_date = '2013/10/20'
  ticket.depart_time_start_time = '20:10'
  # '2013/10/20 20:10'
end

class Ticket < ActiveRecord::Base
  split_date_time :depart_time_start, default: lambda { Time.now + 1.day }
end

ticket = Ticket.new
ticket.depart_time_start_date = '2013/10/20'
ticket.depart_time_start_hr = '10'
ticket.depart_time_start_min = '20'
# '2013/10/20 10:20'

# app/models/user.rb
class User < ActiveRecord::Base
  store_define :contact_info, accessors: {name: :s, zipcode: :i, mobile: :s, available: :b}
end

@user.name = 123
"123"
@user.zipcode = "123"
123
@user.available = 1
true

# app/models/user.rb
class User < ActiveRecord::Base
  store_define :role, accessors: {admin: :b, manager: :b, user: :b}, checkboxes: true
end

# show all true option keys
@user.role_keys
[:admin, :manager]

# show all true option with i18n
@user.role_options
['管理員', '使用者']