module NxtStateMachine::AttrAccessor::ClassMethods

Public Instance Methods

state_machine(name = :default, state_attr: :state, target: nil, &config) click to toggle source
Calls superclass method
# File lib/nxt_state_machine/integrations/attr_accessor.rb, line 4
def state_machine(name = :default, state_attr: :state, target: nil, &config)
  machine = super(
    name,
    state_attr: state_attr,
    target: target,
    &config
  )

  machine.get_state_with do |target|
    if target.send(state_attr).nil?
      target.send("#{state_attr}=", initial_state.enum)
    end

    target.send(state_attr)
  end

  machine.set_state_with do |target, transition|
    transition.run_before_callbacks
    result = set_state(target, transition, state_attr)
    transition.run_after_callbacks

    transition.run_success_callbacks || result
  rescue StandardError => error
    target.send("#{state_attr}=", transition.from.enum)

    if error.is_a?(NxtStateMachine::Errors::TransitionHalted)
      false
    else
      raise
    end
  end

  machine.set_state_with! do |target, transition|
    transition.run_before_callbacks
    result = set_state(target, transition, state_attr)
    transition.run_after_callbacks

    transition.run_success_callbacks || result
  rescue StandardError
    target.send("#{state_attr}=", transition.from.enum)
    raise
  end

  machine
end