diff options
Diffstat (limited to 'activerecord/lib/active_record/state_machine.rb')
-rw-r--r-- | activerecord/lib/active_record/state_machine.rb | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/state_machine.rb b/activerecord/lib/active_record/state_machine.rb new file mode 100644 index 0000000000..aebd03344a --- /dev/null +++ b/activerecord/lib/active_record/state_machine.rb @@ -0,0 +1,24 @@ +module ActiveRecord + module StateMachine #:nodoc: + extend ActiveSupport::Concern + include ActiveModel::StateMachine + + included do + before_validation :set_initial_state + validates_presence_of :state + end + + protected + def write_state(state_machine, state) + update_attributes! :state => state.to_s + end + + def read_state(state_machine) + self.state.to_sym + end + + def set_initial_state + self.state ||= self.class.state_machine.initial_state.to_s + end + end +end |