Class: Core::Boundary::Verifier

Inherits:
Object
  • Object
show all
Includes:
Is::Copyable, Is::Inspectable
Defined in:
lib/core/boundary/verifier.rb

Overview

public

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Verifier

Returns a new instance of Verifier.



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# File 'lib/core/boundary/verifier.rb', line 22

def initialize
  @references = []
end

Instance Method Details

#empty? ⇒ Boolean

public

Returns:

  • (Boolean) 


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# File 'lib/core/boundary/verifier.rb', line 115

def empty?
  @references.empty?
end

#optional(reference, default: default_omitted = true, type: type_omitted = true, &block) ⇒ Object

public


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# File 'lib/core/boundary/verifier.rb', line 58

def optional(reference, default: default_omitted = true, type: type_omitted = true, &block)
  options = {
    required: false
  }

  unless default_omitted
    options[:default] = default
  end

  unless type_omitted
    options[:type] = type
  end

  reference = Reference.new(reference, **options)

  if block
    case block.arity
    when 0
      reference.instance_eval(&block)
    else
      block.call(reference)
    end
  end

  @references << reference
end

#required(reference, message: :missing, type: type_omitted = true, &block) ⇒ Object

public


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# File 'lib/core/boundary/verifier.rb', line 32

def required(reference, message: :missing, type: type_omitted = true, &block)
  options = {
    message: message,
    required: true
  }

  unless type_omitted
    options[:type] = type
  end

  reference = Reference.new(reference, **options)

  if block
    case block.arity
    when 0
      reference.instance_eval(&block)
    else
      block.call(reference)
    end
  end

  @references << reference
end

#verify(object, result: result_omitted = true) ⇒ Object

public


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# File 'lib/core/boundary/verifier.rb', line 87

def verify(object, result: result_omitted = true)
  if result_omitted
    result = Result.new
  end

  @references.each do |reference|
    reference.resolve(object, result: result)
  end

  if result_omitted
    result.finalize
  end
end

#verify! ⇒ Object

public


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# File 'lib/core/boundary/verifier.rb', line 103

def verify!(...)
  result = verify(...)

  if result.error?
    raise Error.new("one or more values failed verification", result: result)
  else
    result
  end
end