Module: SimpleStateMachine::MongoMapper::ClassMethods

Defined in:
lib/simple_state_machine/mongo_mapper.rb

Instance Method Summary collapse

Instance Method Details

#state_machine(column, column_states) ⇒ Object 



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# File 'lib/simple_state_machine/mongo_mapper.rb', line 13

def state_machine(column, column_states)
  inheritable_attributes[:states][column.to_sym] = column_states

  key column, String
  validates_inclusion_of column, :in => column_states

  define_method :"#{column}_revert" do
    write_key column, new? ? states[column].first : send(:"#{column}_was")
  end

  # define a method {state_column}_{state}? for each state
  column_states.each do |state|
    define_method :"#{column}_#{state}?" do
      send(column) === state
    end
  end
end