Module: Workout

Extended by:
ActiveSupport::Concern
Includes:
ActiveModel::Validations
Defined in:
lib/workout.rb,
lib/workout/version.rb

Constant Summary collapse

VERSION = 
"0.0.1"

Instance Method Summary collapse

Instance Method Details

#call ⇒ Object 



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# File 'lib/workout.rb', line 105

def call
  # don't even try if we are already invalid
  return self if invalid?

  rescuing do
    # run each step, possibly feeding the last result to the next
    self.class.steps.reduce(nil) do |last, name|
      self.current_step = name

      # #fail will throw :failure instead of raising
      result = catch :failure do
        if method(name).arity == 1
          send name, last
        else
          send name
        end
      end

      if invalid?
        break
      else
        result
      end
    end

    complete if valid?
  end
ensure
  self.current_step = nil
end

#complete ⇒ Object 



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# File 'lib/workout.rb', line 44

def complete
  @_fsm.trigger(:complete)
end

#complete! ⇒ Object 



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

def complete!
  @_fsm.trigger!(:complete)
end

#complete? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/workout.rb', line 40

def complete?
  @_fsm.state == :completed
end

#fail(**args) ⇒ Object 



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

def fail(**args)
  should_throw = args.delete(:throw) != false
  @_failures.push({ step: current_step, args: args })
  @_fsm.trigger(:fail)
  validate
  throw :failure if should_throw
end

#initialize(**opts) ⇒ Object 



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# File 'lib/workout.rb', line 32

def initialize(**opts)
  @_fsm = MicroMachine.new(:pending).tap do |fsm|
    fsm.when(:complete, :pending => :completed)
    fsm.when(:fail,     :pending => :failed)
  end
  @_failures = []
end

#success? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/workout.rb', line 66

def success?
  complete? && valid?
end