Module: Caze::ClassMethods

Defined in:
lib/caze.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#transaction_handler ⇒ Object

Returns the value of attribute transaction_handler.



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# File 'lib/caze.rb', line 11

def transaction_handler
  @transaction_handler
end

Instance Method Details

#export(method_name, options = {}) ⇒ Object 



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# File 'lib/caze.rb', line 45

def export(method_name, options = {})
  method_to_define = options.fetch(:as) { method_name }

  define_singleton_method(method_to_define, Proc.new { |*args|
    use_case_object = args.empty? ? new : new(*args)
    use_case_object.send(method_name)
  })
end

#has_use_case(use_case_name, use_case_class, options = {}) ⇒ Object 



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# File 'lib/caze.rb', line 13

def has_use_case(use_case_name, use_case_class, options = {})
  transactional = options.fetch(:transactional) { false }
  raise_use_case_exception = options.fetch(:raise_use_case_exception) { false }

  define_singleton_method(use_case_name, Proc.new do |*args|
    use_case = get_use_case_class(use_case_class)

    begin
      if transactional
        handler = self.transaction_handler

        unless handler
          raise NoTransactionMethodError,
            "This action should be executed inside a transaction. But no transaction handler was configured."
        end

        handler.transaction { use_case.send(use_case_name, *args) }
      else
        use_case.send(use_case_name, *args)
      end
    rescue NoTransactionMethodError
      raise
    rescue => e
      if raise_use_case_exception
        raise raise_use_case_error(use_case, e)
      else
        raise e
      end
    end
  end)
end