Module: Tron

Defined in:
lib/tron.rb,
lib/tron/failure.rb,
lib/tron/success.rb,
lib/tron/version.rb,
lib/tron/resultable.rb

Defined Under Namespace

Modules: Resultable, VERSION Classes: Failure, Success

Class Method Summary collapse

Class Method Details

.failure(code, attributes = {}) ⇒ Object

rubocop:disable Metrics/MethodLength, Metrics/AbcSize



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# File 'lib/tron.rb', line 53

def self.failure(code, attributes = {}) # rubocop:disable Metrics/MethodLength, Metrics/AbcSize
  code.respond_to?(:to_sym) ||
    raise(ArgumentError, 'Tron.failure must be called with a Symbol as first argument')

  attributes.respond_to?(:keys) ||
    raise(ArgumentError, 'The second argument (metadata) for Tron.failure must respond to #keys')

  attributes.respond_to?(:values) ||
    raise(ArgumentError, 'The second argument (metadata) for Tron.failure must respond to #values')

  Struct.new(:failure, *attributes.keys) do
    undef_method :[]=
    members.each { |member| undef_method :"#{member}=" }

    def success?
      false
    end

    def failure?
      true
    end

    def success
      nil
    end

    def code
      warn 'DEPRECATION WARNING: Calling `#code` on a Tron object is deprecated and will be removed in Tron 2.0.0. ' \
           "Please use `#failure` instead. Called from `#{caller.first}`"

      failure
    end

    def on_success(_ = nil)
      self
    end

    def on_failure(proc = nil, &block)
      (proc || block).call self
    end
  end.new code.to_sym, *attributes.values
end

.success(code, attributes = {}) ⇒ Object

rubocop:disable Metrics/MethodLength, Metrics/AbcSize



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# File 'lib/tron.rb', line 10

def self.success(code, attributes = {}) # rubocop:disable Metrics/MethodLength, Metrics/AbcSize
  code.respond_to?(:to_sym) ||
    raise(ArgumentError, 'Tron.success must be called with a Symbol as first argument')

  attributes.respond_to?(:keys) ||
    raise(ArgumentError, 'The second argument (metadata) for Tron.success must respond to #keys')

  attributes.respond_to?(:values) ||
    raise(ArgumentError, 'The second argument (metadata) for Tron.success must respond to #values')

  Struct.new(:success, *attributes.keys) do
    undef_method :[]=
    members.each { |member| undef_method :"#{member}=" }

    def success?
      true
    end

    def failure?
      false
    end

    def failure
      nil
    end

    def code
      warn 'DEPRECATION WARNING: Calling `#code` on a Tron object is deprecated and will be removed in Tron 2.0.0. ' \
           "Please use `#success` instead. Called from `#{caller.first}`"

      success
    end

    def on_success(proc = nil, &block)
      (proc || block).call self
    end

    def on_failure(_ = nil)
      self
    end
  end.new code.to_sym, *attributes.values
end