Module: StateShifter::Definition::ClassMethods

Defined in:
lib/state_shifter/definition/class_methods.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#_include_state_scopes ⇒ Object

Returns the value of attribute _include_state_scopes.



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# File 'lib/state_shifter/definition/class_methods.rb', line 5

def _include_state_scopes
  @_include_state_scopes
end

#persist_attr_name ⇒ Object

Returns the value of attribute persist_attr_name.



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# File 'lib/state_shifter/definition/class_methods.rb', line 5

def persist_attr_name
  @persist_attr_name
end

#state_machine_definition ⇒ Object

Returns the value of attribute state_machine_definition.



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# File 'lib/state_shifter/definition/class_methods.rb', line 5

def state_machine_definition
  @state_machine_definition
end

Instance Method Details

#_load_tag(tag, states) ⇒ Object 



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# File 'lib/state_shifter/definition/class_methods.rb', line 89

def _load_tag(tag, states)
  module_eval do

    define_singleton_method "#{tag}_states" do
      states
    end

    define_method "#{tag}?" do
      states.map(&:to_s).include? current_state.to_s
    end

  end

end

#persist_attribute(attr_name) ⇒ Object

Raises:



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# File 'lib/state_shifter/definition/class_methods.rb', line 7

def persist_attribute attr_name
  raise PersistenceAttributeAlreadyDefined if @persist_attr_name
  @persist_attr_name = attr_name.to_sym
end

#state_machine(&definition) ⇒ Object 



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# File 'lib/state_shifter/definition/class_methods.rb', line 12

def state_machine &definition
  @persist_attr_name ||= :current_state
  @state_machine_definition = Contents.new(&definition)

  @state_machine_definition.states.each { |name, definition| _load_state(name, definition) }
  @state_machine_definition.state_tags.each { |tag, states|  _load_tag(tag, states) }
  ActiveRecordIntegrationMethods.include_state_scopes(self) if _include_state_scopes
end