Module: Sequel::Plugins::Statesman

Defined in:
lib/sequel/plugins/statesman.rb

Defined Under Namespace

Modules: ClassMethods, InstanceMethods

Constant Summary collapse

OPTS = 
{}.freeze
DEFAULTS = 
{
  define_state_methods: true,
  destroy_transitions: true,
  include_queries: true,
  transition_class: ->(model) { "#{model.name}Transition".constantize },
  state_machine_class: ->(model) { "#{model.name}StateMachine".constantize }
}

Class Method Summary collapse

Class Method Details

.configure(model, opts = OPTS) ⇒ Object 



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# File 'lib/sequel/plugins/statesman.rb', line 20

def self.configure(model, opts=OPTS)
  opts = DEFAULTS.merge(opts)

  model.instance_eval do
    if opts[:state_machine_class].respond_to? :to_proc
      @state_machine_class = opts[:state_machine_class].call(self)
    else
      @state_machine_class = opts[:state_machine_class]
    end

    if opts[:transition_class].respond_to? :to_proc
      @transition_class = opts[:transition_class].call(self)
    else
      @transition_class = opts[:transition_class]
    end

    if opts[:define_state_methods]
      @state_machine_class.states.each do |state|
        define_method(:"#{state}!") do |metadata = {}|
          state_machine.transition_to!(state, metadata)
        end

        define_method(:"#{state}?") do
          current_state == state
        end
      end
    end

    if opts[:include_queries]
      include ::Statesman::Adapters::SequelQueries
    end

    if opts[:destroy_transitions]
      plugin :association_dependencies
      add_association_dependencies transition_name => :destroy
    end
  end
end

.configure!(opts = OPTS) ⇒ Object 



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# File 'lib/sequel/plugins/statesman.rb', line 16

def self.configure!(opts=OPTS)
  DEFAULTS.merge!(opts)
end