Module: WorkflowTemplate::State::ClassMethods

Defined in:
lib/workflow_template/state/class_methods.rb

Instance Method Summary collapse

Instance Method Details

#ensure_canonical_bare_result!(bare_result, action_name) ⇒ Object

Raises:



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# File 'lib/workflow_template/state/class_methods.rb', line 35

def ensure_canonical_bare_result!(bare_result, action_name)
  raise Fatal::BadActionReturn.new(action_name, bare_result) unless bare_result.is_a?(Hash)

  faulty_keys = bare_result.keys.reject { _1.is_a?(Symbol) }
  raise Fatal::BadReturnKeys.new(action_name, faulty_keys) unless faulty_keys.empty?
end

#initial(input, default_strategy, validations, trace: false) ⇒ Object 



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# File 'lib/workflow_template/state/class_methods.rb', line 8

def initial(input, default_strategy, validations, trace: false)
  wrapped_state = wrap_success(input)
  wrapped_state = validate(wrapped_state, validations)
  new wrapped_state, State.normalize_transition_strategy(default_strategy), Meta.instance(trace)
end

#merge_bare_result(bare_state, bare_result, strategy, action_name) ⇒ Object 



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# File 'lib/workflow_template/state/class_methods.rb', line 25

def merge_bare_result(bare_state, bare_result, strategy, action_name)
  ensure_canonical_bare_result!(bare_result, action_name)

  if strategy == :merge
    bare_state.merge(bare_result)
  else
    bare_result
  end
end

#validate(wrapped_state, validations) ⇒ Object

Raises:



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# File 'lib/workflow_template/state/class_methods.rb', line 14

def validate(wrapped_state, validations)
  raise Fatal::BadInput, wrapped_state unless canonical? wrapped_state

  return wrapped_state if !Validation.applicable?(validations) || error?(wrapped_state)

  flat_map_unwrappable_state(wrapped_state) do |bare_state|
    result = Validation.validate(bare_state, validations)
    result.success? ? wrapped_state : wrap_error_with_bare_state(result, bare_state)
  end
end