Module: ActionFlow

Included in:
ActionController::Base
Defined in:
lib/action_flow.rb

Defined Under Namespace

Modules: Helper Classes: Context

Instance Method Summary collapse

Instance Method Details

#flow(name) ⇒ Object 



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# File 'lib/action_flow.rb', line 6

def flow(name)
  helper ActionFlow::Helper

  flow = "#{name}_flow_context".camelize.constantize

  define_method(:context) do
    @context ||= flow.find_or_create(params.delete(:k))
  end
  private :context

  flow.states.each do |state|
    define_method(state) do
      context.at_state(state)
      context.data.each do |key, value|
        instance_variable_set("@#{key}", value)
      end
    end
  end

  define_method(:next) do
    context.at_state(params.delete(:state))
    context.fire_transition(self)
    redirect_to(:action => context.state, :k => context.key)
  end
end