Module: CanHasState::Machine::ClassMethods

Defined in:
lib/can_has_state/machine.rb

Instance Method Summary collapse

Instance Method Details

#extend_state_machine(column, &block) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/can_has_state/machine.rb', line 17

def extend_state_machine(column, &block)
  sm = state_machines.detect{|(col, _)| col == column}
    # |(col, stm)|
  raise(ArgumentError, "Unknown state machine #{column}") unless sm
  sm[1].extend_machine(&block)
  sm
end

#state_machine(column, &block) ⇒ Object 



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# File 'lib/can_has_state/machine.rb', line 7

def state_machine(column, &block)
  d = Definition.new(column, self, &block)

  define_method "allow_#{column}?" do |to|
    state_machine_allow?(column.to_sym, to.to_s)
  end

  self.state_machines += [[column.to_sym, d]]
end