42 lines
1.0 KiB
Ruby
42 lines
1.0 KiB
Ruby
require File.join(File.dirname(__FILE__), 'state_transition')
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module AASM
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module SupportingClasses
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class Event
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attr_reader :name, :success
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def initialize(name, options = {}, &block)
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@name = name
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@success = options[:success]
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@transitions = []
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instance_eval(&block) if block
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end
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def fire(obj)
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transitions = @transitions.select { |t| t.from == obj.aasm_current_state }
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raise AASM::InvalidTransition if transitions.size == 0
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next_state = nil
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transitions.each do |transition|
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if transition.perform(obj)
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next_state = transition.to
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break
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end
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end
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next_state
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end
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def transitions_from_state?(state)
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@transitions.any? { |t| t.from == state }
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end
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private
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def transitions(trans_opts)
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Array(trans_opts[:from]).each do |s|
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@transitions << SupportingClasses::StateTransition.new(trans_opts.merge({:from => s.to_sym}))
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end
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end
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end
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end
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end
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