Class: UseCases::Result

Inherits:
Dry::Monads::Result
  • Object
show all
Defined in:
lib/use_cases/result.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(step, result) ⇒ Result

Returns a new instance of Result.



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# File 'lib/use_cases/result.rb', line 7

def initialize(step, result)
  super()
  @step = step
  @result = result
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args, &block) ⇒ Object 



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# File 'lib/use_cases/result.rb', line 13

def method_missing(method, *args, &block)
  return result.send(method, *args, &block) if result.respond_to?(method)

  super
end

Instance Attribute Details

#result ⇒ Object (readonly)

Returns the value of attribute result.



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# File 'lib/use_cases/result.rb', line 5

def result
  @result
end

#step ⇒ Object (readonly)

Returns the value of attribute step.



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# File 'lib/use_cases/result.rb', line 5

def step
  @step
end

Instance Method Details

#failure ⇒ Object 



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# File 'lib/use_cases/result.rb', line 43

def failure
  failure? && value
end

#failure? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/use_cases/result.rb', line 35

def failure?
  result.is_a?(Dry::Monads::Result::Failure)
end

#inspect ⇒ Object 



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# File 'lib/use_cases/result.rb', line 63

def inspect
  if failure?
    "UseCases::Result.Failure(#{value.inspect})"
  else
    "UseCases::Result.Success(#{value.inspect})"
  end
end

#nil? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/use_cases/result.rb', line 47

def nil?
  value.nil?
end

#respond_to_missing?(method, include_private = false) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/use_cases/result.rb', line 19

def respond_to_missing?(method, include_private = false)
  result.respond_to?(method, include_private) || super
end

#result_empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/use_cases/result.rb', line 55

def result_empty?
  result.success? && result.value! == Dry::Monads::Unit
end

#result_not_monad? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/use_cases/result.rb', line 59

def result_not_monad?
  !result.is_a?(Dry::Monads::Result)
end

#success ⇒ Object 



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# File 'lib/use_cases/result.rb', line 39

def success
  success? && value
end

#success? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/use_cases/result.rb', line 31

def success?
  !failure?
end

#to_result ⇒ Object 



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# File 'lib/use_cases/result.rb', line 51

def to_result
  result
end

#value ⇒ Object Also known as: value! 



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# File 'lib/use_cases/result.rb', line 23

def value
  return result if result_not_monad?
  return if result_empty?

  result.success? ? result.value! : result.failure
end