Module: Operabl::ClassMethods

Defined in:
lib/operabl.rb

Instance Method Summary collapse

Instance Method Details

#call(context_params = nil) ⇒ Object 



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# File 'lib/operabl.rb', line 12

def call(context_params=nil)

  ctx = case context_params
  when Hash
    Operabl::Context.new(context_params)
  when Operabl::Context
    context_params
  else
    Operabl::Context.new({})
  end

  operable = self.new

  steps.each do |step_branch, step_obj, options|
    if step_branch == ctx.branch
      case step_obj
      when String, Symbol
        operable.method(step_obj).call(ctx)
      when Proc
        operable.instance_exec ctx, &step_obj
      else
        if step_obj.respond_to? :call
          step_obj.call(ctx)
        else
          raise "#{step_obj.inspect} is invalid step argument"
        end
      end
      break if options[:fastforward]
    end

  end

  return ctx

end

#failure(symbol, options = {}) ⇒ Object 



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# File 'lib/operabl.rb', line 56

def failure(symbol, options={})
  steps << [:failure, symbol, options]
end

#step(symbol, options = {}) ⇒ Object 



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# File 'lib/operabl.rb', line 52

def step(symbol, options={})
  steps << [:success, symbol, options]
end

#steps ⇒ Object 



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# File 'lib/operabl.rb', line 48

def steps
  @steps ||= []
end